Calix (CALX)


Market Price (9/10/2026): $34.425 | Market Cap: $2.2 BilSector: Information Technology | Industry: Application Software

Calix (CALX)


Market Price (9/10/2026): $34.425
Market Cap: $2.2 Bil
Sector: Information Technology
Industry: Application Software

Investment Highlights Why It Matters Detailed financial logic regarding cash flow yields vs trend-riding momentum.

0

Strong revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is 28%

Valuation becoming less expensive
P/S 6M Chg %Price/Sales change over 6 months. Declining P/S indicates valuation has become less expensive. is -35%

Low stock price volatility
Vol 12M is 41%

Megatrend and thematic drivers
Megatrends include 5G & Advanced Connectivity, and Cloud Computing. Themes include Network Equipment, Telecom Infrastructure, Show more.

Weak multi-year price returns
2Y Excs Rtn is -45%, 3Y Excs Rtn is -96%

Key risks
CALX key risks include [1] its dependency on cyclical and uncommitted capital spending by broadband service providers and [2] the execution risk of its pivotal transition to a software and platform business, Show more.

0 Strong revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is 28%
1 Valuation becoming less expensive
P/S 6M Chg %Price/Sales change over 6 months. Declining P/S indicates valuation has become less expensive. is -35%
2 Low stock price volatility
Vol 12M is 41%
3 Megatrend and thematic drivers
Megatrends include 5G & Advanced Connectivity, and Cloud Computing. Themes include Network Equipment, Telecom Infrastructure, Show more.
4 Weak multi-year price returns
2Y Excs Rtn is -45%, 3Y Excs Rtn is -96%
5 Key risks
CALX key risks include [1] its dependency on cyclical and uncommitted capital spending by broadband service providers and [2] the execution risk of its pivotal transition to a software and platform business, Show more.

CALX in ETFs

Weight = CALX's share of each fund

VTI0.00%
ITOT0.00%
IWM0.07%
IJR0.12%
VB0.03%
IJT0.25%
SLYG0.25%
NUSC0.15%
+11 more covered ETFs

Valuation & Metrics

Price Chart

Why The Stock Moved

Qualitative Assessment

AI Analysis | Feedback

Updated on 9/8/2026

Calix (CALX) stock has lost about 15% since 5/31/2026 because of the following key factors:

1. Margin Compression in Fiscal Q2 2026. Despite exceeding analyst expectations for both adjusted earnings per share (EPS) at $0.47 (versus $0.40 consensus) and revenue at $293.3 million (versus $289.96 million consensus) for fiscal Q2 2026, which ended in June 2026, Calix experienced a significant stock decline. The primary concern for investors was a notable sequential and year-over-year decrease in non-GAAP appliance gross margin, which fell by 460 basis points sequentially and 170 basis points year-over-year to 52.9%. This margin pressure was attributed to rising memory and component costs related to increased demand for AI infrastructure, forcing the company to implement surcharges that compressed near-term profitability. This led to a 10.35% drop in the stock price in after-hours trading on July 21, 2026.

2. Negative Investor Reaction to Near-Term Outlook. The market's focus on the margin pressure and the company's "near-term guidance" following the fiscal Q2 2026 earnings report on July 20, 2026, outweighed the positive headline numbers. Investors appeared to interpret the compressed margins and outlook as a challenge to future profitability, contributing to the sell-off despite the overall strong Q2 performance.

Show more
Updated on 9/8/2026

Calix (CALX) stock has lost about 15% since 5/31/2026 because of the following key factors:

1. Margin Compression in Fiscal Q2 2026. Despite exceeding analyst expectations for both adjusted earnings per share (EPS) at $0.47 (versus $0.40 consensus) and revenue at $293.3 million (versus $289.96 million consensus) for fiscal Q2 2026, which ended in June 2026, Calix experienced a significant stock decline. The primary concern for investors was a notable sequential and year-over-year decrease in non-GAAP appliance gross margin, which fell by 460 basis points sequentially and 170 basis points year-over-year to 52.9%. This margin pressure was attributed to rising memory and component costs related to increased demand for AI infrastructure, forcing the company to implement surcharges that compressed near-term profitability. This led to a 10.35% drop in the stock price in after-hours trading on July 21, 2026.

2. Negative Investor Reaction to Near-Term Outlook. The market's focus on the margin pressure and the company's "near-term guidance" following the fiscal Q2 2026 earnings report on July 20, 2026, outweighed the positive headline numbers. Investors appeared to interpret the compressed margins and outlook as a challenge to future profitability, contributing to the sell-off despite the overall strong Q2 performance.

3. Analyst Price Target Reductions. Following the fiscal Q2 2026 results, several Wall Street analysts, while largely maintaining "Buy" ratings, lowered their price targets for Calix. For example, Rosenblatt Securities adjusted its price target to $55 from $70, and J.P. Morgan revised its target to $58 from $65. These adjustments reflected a more cautious near-term valuation due to the concerns about margin compression, despite a long-term "Moderate Buy" consensus and a significantly higher average price target of $63.86 (as of September 8, 2026).

4. Shareholder Investigation Announcement. On August 18, 2026, Bernstein Liebhard LLP announced an investigation into potential breaches of fiduciary duty by certain directors and officers of Calix. This announcement of a shareholder investigation can introduce uncertainty and apprehension among investors, potentially contributing to downward pressure on the stock price.

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Stock Movement Drivers

Fundamental Drivers

The -13.4% change in CALX stock from 5/31/2026 to 9/9/2026 was primarily driven by a -44.6% change in the company's P/E Multiple.
(LTM values as of)53120269092026Change
Stock Price ($)39.7534.44-13.4%
Change Contribution By: 
Total Revenues ($ Mil)1,0601,1114.9%
Net Income Margin (%)3.2%4.6%44.1%
P/E Multiple77.142.7-44.6%
Shares Outstanding (Mil)66643.4%
Cumulative Contribution-13.4%

LTM = Last Twelve Months as of date shown

Market Drivers

5/31/2026 to 9/9/2026
ReturnCorrelation
CALX-13.4% 
Market (SPY)0.8%40.0%
Sector (XLK)-1.6%21.1%

Fundamental Drivers

The -33.5% change in CALX stock from 2/28/2026 to 9/9/2026 was primarily driven by a -77.9% change in the company's P/E Multiple.
(LTM values as of)22820269092026Change
Stock Price ($)51.7734.44-33.5%
Change Contribution By: 
Total Revenues ($ Mil)1,0001,11111.1%
Net Income Margin (%)1.8%4.6%157.6%
P/E Multiple193.542.7-77.9%
Shares Outstanding (Mil)67645.3%
Cumulative Contribution-33.5%

LTM = Last Twelve Months as of date shown

Market Drivers

2/28/2026 to 9/9/2026
ReturnCorrelation
CALX-33.5% 
Market (SPY)11.4%27.8%
Sector (XLK)35.6%16.2%

Fundamental Drivers

The -42.1% change in CALX stock from 8/31/2025 to 9/9/2026 was primarily driven by a -55.4% change in the company's P/S Multiple.
(LTM values as of)83120259092026Change
Stock Price ($)59.4534.44-42.1%
Change Contribution By: 
Total Revenues ($ Mil)8691,11127.8%
P/S Multiple4.42.0-55.4%
Shares Outstanding (Mil)65641.6%
Cumulative Contribution-42.1%

LTM = Last Twelve Months as of date shown

Market Drivers

8/31/2025 to 9/9/2026
ReturnCorrelation
CALX-42.1% 
Market (SPY)19.2%29.2%
Sector (XLK)43.7%23.7%

Fundamental Drivers

The -26.0% change in CALX stock from 8/31/2023 to 9/9/2026 was primarily driven by a -38.5% change in the company's P/E Multiple.
(LTM values as of)83120239092026Change
Stock Price ($)46.5134.44-26.0%
Change Contribution By: 
Total Revenues ($ Mil)9921,11112.0%
Net Income Margin (%)4.5%4.6%3.0%
P/E Multiple69.542.7-38.5%
Shares Outstanding (Mil)66644.3%
Cumulative Contribution-26.0%

LTM = Last Twelve Months as of date shown

Market Drivers

8/31/2023 to 9/9/2026
ReturnCorrelation
CALX-26.0% 
Market (SPY)75.3%40.8%
Sector (XLK)117.9%35.7%

Return vs. Risk

Price Returns Compared

 202120222023202420252026Total [1]
Returns
CALX Return169%-14%-36%-20%52%-33%19%
Peers Return34%-19%-12%34%32%13%90%
S&P 500 Return27%-19%24%23%16%12%104%

Monthly Win Rates [3]
CALX Win Rate75%42%50%42%67%22% 
Peers Win Rate58%37%48%63%62%47% 
S&P 500 Win Rate75%42%67%75%67%44% 

Max Drawdowns [4]
CALX Max Drawdown-33%-60%-53%-38%-30%-40% 
Peers Max Drawdown-26%-42%-45%-29%-38%-42% 
S&P 500 Max Drawdown-5%-25%-10%-8%-19%-9% 


[1] Cumulative total returns since the beginning of 2021
[2] Peers: ADTN, CIEN, CSCO, HLIT, RBBN.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2026 data is for the year up to 9/9/2026 (YTD)

How Low Can It Go

EventCALXS&P 500
2025 US Tariff Shock
  % Loss-26.4%-18.8%
  % Gain to Breakeven35.9%23.1%
  Time to Breakeven49 days79 days
Summer-Fall 2023 Five Percent Yield Shock
  % Loss-31.3%-9.5%
  % Gain to Breakeven45.5%10.5%
  Time to Breakeven588 days24 days
2023 SVB Regional Banking Crisis
  % Loss-19.1%-6.7%
  % Gain to Breakeven23.6%7.1%
  Time to Breakeven35 days31 days
2020 COVID-19 Crash
  % Loss-42.9%-33.7%
  % Gain to Breakeven75.0%50.9%
  Time to Breakeven37 days140 days
Q4 2018 Fed Policy Error / Growth Scare
  % Loss-10.1%-19.2%
  % Gain to Breakeven11.2%23.8%
  Time to Breakeven13 days105 days
2016-2017 Trump Reflation Bond Selloff
  % Loss-17.3%-3.7%
  % Gain to Breakeven21.0%3.9%
  Time to Breakeven11 days6 days

Compare to ADTN, CIEN, CSCO, HLIT, RBBN

In The Past

Calix's stock fell -26.4% during the 2025 US Tariff Shock. Such a loss loss requires a 35.9% gain to breakeven.

Preserve Wealth

Limiting losses and compounding gains is essential to preserving wealth.

Asset Allocation

Actively managed asset allocation strategies protect wealth. Learn more.

EventCALXS&P 500
2025 US Tariff Shock
  % Loss-26.4%-18.8%
  % Gain to Breakeven35.9%23.1%
  Time to Breakeven49 days79 days
Summer-Fall 2023 Five Percent Yield Shock
  % Loss-31.3%-9.5%
  % Gain to Breakeven45.5%10.5%
  Time to Breakeven588 days24 days
2020 COVID-19 Crash
  % Loss-42.9%-33.7%
  % Gain to Breakeven75.0%50.9%
  Time to Breakeven37 days140 days
2015-2016 China Devaluation / Global Growth Scare
  % Loss-27.6%-12.2%
  % Gain to Breakeven38.1%13.9%
  Time to Breakeven159 days62 days
2014-2016 Oil Price Collapse
  % Loss-43.7%-6.8%
  % Gain to Breakeven77.7%7.3%
  Time to Breakeven1007 days15 days
2011 US Debt Ceiling Crisis & European Contagion
  % Loss-67.2%-17.9%
  % Gain to Breakeven205.3%21.8%
  Time to Breakeven3194 days123 days
2010 Eurozone Sovereign Debt Crisis / Flash Crash
  % Loss-23.5%-15.4%
  % Gain to Breakeven30.8%18.2%
  Time to Breakeven126 days125 days

Compare to ADTN, CIEN, CSCO, HLIT, RBBN

In The Past

Calix's stock fell -26.4% during the 2025 US Tariff Shock. Such a loss loss requires a 35.9% gain to breakeven.

Preserve Wealth

Limiting losses and compounding gains is essential to preserving wealth.

Asset Allocation

Actively managed asset allocation strategies protect wealth. Learn more.

About Calix (CALX)

Calix (CALX) provides essential cloud and software platforms, systems, and services primarily to broadband service providers (BSPs) across the globe. The company's mission is to equip these BSPs with the tools they need to efficiently deliver a diverse range of services, enhance operational capabilities, and significantly improve the experiences for their residential and business subscribers.

Calix's core offerings include the **Calix Cloud platform**, a sophisticated, role-based analytics solution comprising Calix Marketing Cloud, Calix Support Cloud, and Calix Operations Cloud, which helps BSPs identify and target new revenue streams. Additionally, the company provides **EXOS**, a carrier-class premises operating system integrated with its GigaSpire systems for comprehensive subscriber experience solutions, and **AXOS**, a software platform designed to optimize the network's access edge. These products are distributed to broadband service providers throughout the United States, the rest of the Americas, Europe, the Middle East, Africa, and the Asia Pacific region.

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Cisco for internet service providers (ISPs)

Salesforce for internet service providers (ISPs)

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Major Products and Services of Calix (CALX):

  • Calix Cloud platform: A role-based analytics platform comprising Calix Marketing Cloud, Calix Support Cloud, and Calix Operations Cloud, which helps broadband service providers anticipate and target new revenue-generating services.
  • EXOS: A carrier-class premises operating system integrated with the GigaSpire family of systems, designed to provide complete subscriber experience solutions for residential and business customers.
  • AXOS: A software platform engineered to access the edge of the network through its architecture and operations.

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Calix, Inc. (CALX) primarily sells its cloud and software platforms, systems, and services to other companies, specifically Broadband Service Providers (BSPs).

The provided background information does not list the specific names of these customer companies.

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  • Flex Ltd. (FLEX)
  • Pegatron Corporation (4938.TW)

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Michael Weening, President and Chief Executive Officer

Michael Weening has an extensive background in software, cloud, and telecom, with over 20 years of experience in growth, strategy, and transformation. He joined Calix in June 2016 and was promoted to President and CEO in October 2022. Prior to Calix, he held senior leadership roles at Salesforce, including senior vice president of global customer success and senior vice president of customer success, services, and alliances for Japan and Asia-Pacific. Earlier in his career, he held sales leadership positions at Microsoft in both Canada and the United Kingdom, and was vice president of business and consumer sales at Bell Mobility in Canada. Weening has been instrumental in Calix's transformation from a hardware-centric business to a company focused on software, cloud, and appliances.

Cory Sindelar, Chief Financial Officer

Cory Sindelar joined Calix as Chief Financial Officer in May 2017, bringing more than 25 years of experience as a senior financial leader in the technology sector. Prior to Calix, he served as Chief Financial Officer at Violin Memory, where he helped transition the company from a privately held entity to a public, multi-national technology leader. He also previously held the CFO role at Ikanos Communications, where he led several strategic transactions. Earlier in his career, Sindelar held various finance positions at EMC Corporation and was vice president, corporate controller, and principal accounting officer at Legato Systems, Inc., which was later acquired by EMC.

Mark Dressler, Chief Revenue Officer

Mark Dressler is the Chief Revenue Officer for Calix, with 30 years of experience in the communications service provider industry.

John Durocher, Chief Operations Officer

John Durocher leads the Calix Customer Success organization as Chief Operations Officer.

Shane Eleniak, Chief Product Officer

Shane Eleniak is the Chief Product Officer at Calix, responsible for all of Calix's products, including access solutions.

AI Analysis | Feedback

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Key Risks to Calix (CALX)

  • Intense Competition: Calix operates in a highly competitive market characterized by rapid technological advancements and evolving customer demands. The company faces the constant threat of competitors with greater resources or more aggressive pricing strategies, which could lead to reduced market share and financial results if Calix cannot maintain its innovative edge and meet the changing needs of broadband service providers.
  • Supply Chain Dependencies: Calix relies significantly on third-party vendors and contract manufacturers for sourcing components, producing its products, and managing global logistics. This dependence introduces vulnerabilities, as any significant interruption in the supply chain, such as component shortages or disruptions in delivery, could adversely affect Calix's ability to fulfill customer orders, potentially leading to lost revenue, increased costs, and negative impacts on gross margins and operating results.
  • Macroeconomic Conditions and Customer Capital Expenditure: Calix's revenue is heavily influenced by the capital expenditure (CapEx) decisions of its broadband service provider customers, particularly smaller, rural, and municipal providers. Adverse macroeconomic conditions, such as sustained high interest rates, can increase borrowing costs for these customers, potentially forcing them to defer or scale back network buildouts, which directly impacts Calix's sales and revenue.
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Calix (CALX) operates within the global broadband services and cloud computing markets, providing cloud and software platforms, systems, and services to broadband service providers (BSPs).

Addressable Markets for Calix's Main Products or Services

  • Calix Cloud Platform: The global cloud communication platform market, which includes solutions like the Calix Cloud platform, was valued at approximately USD 23.47 billion in 2026 and is projected to reach USD 45.63 billion by 2031, growing at a Compound Annual Growth Rate (CAGR) of 14.22%. More broadly, the global cloud computing market, which encompasses Calix's cloud offerings, was estimated at USD 752.44 billion in 2024 and is projected to reach USD 2.39 trillion by 2030, demonstrating a CAGR of 20.4% from 2025 to 2030.
  • EXOS and AXOS Platforms: These platforms support broadband access and network infrastructure for service providers. The global broadband services market, which these platforms enable, was valued at approximately USD 565.40 billion in 2025. It is projected to grow from USD 608.70 billion in 2026 to USD 1,151.43 billion by 2034, exhibiting a CAGR of 8.3% during this forecast period.

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Expected Drivers of Future Revenue Growth for Calix (CALX)

Over the next 2-3 years, Calix (CALX) is expected to drive revenue growth through several key initiatives:

  1. Increasing Adoption of Cloud and Managed Services: Calix's strategy focuses on the continued migration of broadband service providers (BSPs) to its higher-value cloud and managed services offerings. The company's record Remaining Performance Obligations (RPOs) demonstrate strong demand and contracted business, with existing customers increasingly adopting more of Calix's platform, cloud, and managed services. The recent launch of the third-generation Calix platform and its evolution for agentic AI on Google Cloud are anticipated to further accelerate this adoption.
  2. Customer Acquisition and Subscriber Growth: Calix is actively expanding its customer base by onboarding new broadband service providers. Furthermore, the company's solutions enable existing customers to attract and retain new subscribers, which directly contributes to Calix's revenue growth.
  3. Leveraging the Broadband Equity, Access, and Deployment (BEAD) Program: Calix anticipates a substantial revenue opportunity from the BEAD program, estimated to be between $1 billion and $1.5 billion. The company expects appliance deliveries related to this program to ramp up in late 2026 and significantly into 2027 and beyond, providing a considerable tailwind to its growth.
  4. Strategic Investment in AI and New AI-Driven Services: Calix has made significant investments in evolving its broadband platform to incorporate agentic AI capabilities on Google Cloud. These AI-driven advancements are designed to empower BSPs to automate workflows, deliver personalized subscriber experiences, and unlock new revenue streams, thereby fueling future growth.
  5. International Expansion and Targeting Larger Customers: The partnership with Google Cloud is enabling Calix to deploy its platform globally and effectively target larger customers with private cloud solutions. Management has indicated confidence in expanding into new accounts and international markets as a key growth strategy.

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Share Repurchases

  • In January 2026, Calix's board of directors authorized an additional $125 million for its existing stock repurchase program. This increased the total available repurchase funds to $234.3 million, combining the new authorization with the $109.3 million remaining at the end of the fourth quarter of 2025.
  • In the fourth quarter of 2025, Calix deployed $17 million to purchase 300,000 shares of its common stock.
  • For the full fiscal year 2025, Calix spent $93.6 million on share buybacks, following expenditures of $10.7 million in 2024 and $86.4 million in 2023.

Share Issuance

  • Calix's common stock issuances primarily related to employee benefit plans, with proceeds totaling $65.2 million in 2025.
  • Proceeds from common stock issuances for employee benefit plans were $31.6 million in 2024.
  • In 2023, the company generated $32.1 million from common stock issuances related to employee benefit plans.

Capital Expenditures

  • In the fourth quarter of 2025, Calix invested $5.8 million in capital expenditures.
  • Annual capital expenditures were $19.4 million in 2025, $18.1 million in 2024, and $17.9 million in 2023.
  • Capital expenditures are primarily focused on funding long-term assets and infrastructure, with anticipated increases in operating expenses for Q1 2026 driven by investments in AI functionality and capabilities across its platform, cloud, and managed services.

Better Bets vs. Calix (CALX)

Peer Outperformance in Application Software

CALX has outperformed 68% of its 121 Application Software peers over 5Y. Among the peers that beat it are BOX, SSNC and DBX. Application Software ranks 11th of 12 industries in Information Technology by median 5Y return. The sector’s gains have largely come from elsewhere.
Share of Application Software constituents that CALX has outperformed, by holding period. Peers without a full price history over a given window are excluded from that window.
1Y
32%
of 152 industry peers · -44.2% return
3Y
46%
of 139 industry peers · -25.6% return
5Y
68%
of 121 industry peers · -24.5% return
Application Software peers with revenue growth within 4pp of CALX's that beat it on at least 2 of 3 windows, and by at least 20pp over 5Y. Growth is matched by construction, so the gap is largely a re-rating gap. The multiple column is the context for it.
Ticker Name Rev Growth 3Y Avg P/E 1Y3Y5Y 5Y Gap
CALX Calix 5.0% 42.7x -44.2%-25.6%-24.5%
BOX Box 6.6% 36.3x 2.8%33.5%51.0% +75pp
SSNC SS&C Technologies 6.8% 21.9x -9.3%48.5%18.3% +43pp
DBX Dropbox 1.5% 17.6x 10.9%24.1%9.7% +34pp
Price returns, excluding dividends. P/E shown for context only and not used for matching.
Median price return by industry across the Information Technology sector, ranked by 5Y. Application Software is CALX's own industry. Use this to see which corners of the sector have carried the returns.
Industry Names 1Y med3Y med5Y med Top 3 by 5Y
Electronic Manufacturing Services 9 62.0%191.8%304.2% TTMI 816% · FLEX 745% · SANM 424%
Semiconductor Materials & Equipment 27 129.2%82.9%106.7% AEHR 845% · AXTI 647% · LRCX 456%
Technology Distributors 9 31.8%69.9%87.2% CLMB 337% · AVT 168% · SNX 133%
Communications Equipment 35 21.0%92.3%74.4% AAOI 1353% · LITE 1052% · ANET 780%
Electronic Components 26 39.3%59.6%64.6% CLS 3713% · BELFA 1314% · COHR 394%
Semiconductors 55 23.0%26.0%27.9% POET 1864% · MU 1334% · NVDA 897%
Technology Hardware, Storage & Peripherals 21 30.2%79.4%23.5% DELL 1128% · STX 1125% · WDC 1018%
Internet Services & Infrastructure 6 19.5%33.5%13.9% DOCN 89% · VRSN 32% · GDDY 24%
Electronic Equipment & Instruments 27 -13.0%6.7%-10.7% PI 210% · OSIS 108% · NSSC 97%
IT Consulting & Other Services 28 -27.5%-14.5%-31.2% CHRN 478321% · APLD 1264% · TSSI 657%
Application Software ← 122 -28.4%-15.9%-46.0% VIDA 205355% · INLX 4774% · PLTR 545%
Systems Software 67 -15.1%-1.0%-57.2% QNC 469% · ZETA 340% · PANW 328%
Median of constituents with a full price history over each window. Top names are unfiltered by size in this render.

Recent Active Movers

Peer Comparisons

Peers to compare with:

Financials

CALXADTNCIENCSCOHLITRBBNMedian
NameCalix Adtran Ciena Cisco Sy.Harmonic Ribbon C. 
Mkt Price34.447.20338.00109.4311.801.9723.12
Mkt Cap2.20.648.0432.21.30.31.7
Rev LTM1,1111,1386,02163,3253457981,125
Op Inc LTM61-285016,06145-1253
FCF LTM852381412,76754770
FCF 3Y Avg692456812,08862565
CFO LTM110931,05514,1776222101
CFO 3Y Avg888873313,083712688

Growth & Margins

CALXADTNCIENCSCOHLITRBBNMedian
NameCalix Adtran Ciena Cisco Sy.Harmonic Ribbon C. 
Rev Chg LTM27.8%15.7%32.6%11.8%-13.7%-7.6%13.8%
Rev Chg 3Y Avg5.0%-3.5%13.5%3.8%-13.9%-1.4%1.2%
Rev Chg Q21.3%6.1%37.0%17.6%53.5%-12.8%19.4%
QoQ Delta Rev Chg LTM4.9%1.4%8.1%4.2%15.6%-3.4%4.6%
Op Inc Chg LTM273.3%96.7%234.7%28.4%-54.0%-136.6%62.6%
Op Inc Chg 3Y Avg-38.0%49.9%68.9%2.7%370.6%49.8%49.8%
Op Mgn LTM5.5%-0.2%14.1%25.4%13.1%-1.5%9.3%
Op Mgn 3Y Avg0.1%-8.4%8.5%23.8%13.3%1.4%4.9%
QoQ Delta Op Mgn LTM1.8%0.3%2.9%1.6%5.6%-2.1%1.7%
CFO/Rev LTM9.9%8.2%17.5%22.4%18.1%2.8%13.7%
CFO/Rev 3Y Avg9.0%8.6%14.6%22.6%19.0%3.1%11.8%
FCF/Rev LTM7.7%2.0%13.5%20.2%15.6%0.9%10.6%
FCF/Rev 3Y Avg7.1%2.3%11.3%20.9%16.4%0.6%9.2%

Valuation

CALXADTNCIENCSCOHLITRBBNMedian
NameCalix Adtran Ciena Cisco Sy.Harmonic Ribbon C. 
Mkt Cap2.20.648.0432.21.30.31.7
P/S2.00.58.06.83.70.42.8
P/Op Inc35.7-290.556.526.928.3-29.227.6
P/EBIT35.766.560.324.730.6-11.133.2
P/E42.7-22.373.432.6-27.222.427.5
P/CFO20.06.345.530.520.615.720.3
Total Yield2.3%-4.5%1.4%4.6%-3.7%4.5%1.9%
Dividend Yield0.0%0.0%0.0%1.5%0.0%0.0%0.0%
FCF Yield 3Y Avg2.6%2.8%3.5%4.3%5.0%0.9%3.1%
D/E0.00.40.10.10.11.10.1
Net D/E-0.10.20.00.0-0.11.00.0

Returns

CALXADTNCIENCSCOHLITRBBNMedian
NameCalix Adtran Ciena Cisco Sy.Harmonic Ribbon C. 
1M Rtn-9.8%-5.6%-12.8%-10.7%1.7%-3.9%-7.7%
3M Rtn-10.8%-51.8%-22.2%-7.5%-12.6%-24.8%-17.4%
6M Rtn-32.5%-29.7%-0.6%41.4%26.3%-12.4%-6.5%
12M Rtn-44.2%-30.6%176.6%65.9%19.1%-51.4%-5.7%
3Y Rtn-25.6%-11.4%601.0%109.0%15.9%-28.6%2.2%
1M Excs Rtn-8.3%-4.1%-11.3%-9.2%3.2%-2.4%-6.2%
3M Excs Rtn-14.4%-52.9%-26.4%-12.1%-15.4%-29.3%-20.9%
6M Excs Rtn-45.1%-41.7%-12.4%29.5%11.9%-25.1%-18.7%
12M Excs Rtn-61.2%-47.0%166.5%49.4%1.0%-69.0%-23.0%
3Y Excs Rtn-95.8%-85.8%528.2%35.7%-57.8%-102.6%-71.8%

Financials

Segment Financials

Revenue by Segment
$ Mil20252024202320222021
Single Segment1,0008321,040868679
Total1,0008321,040868679


Price Behavior

Price Behavior
Market Price$34.44 
Market Cap ($ Bil)2.2 
First Trading Date03/24/2010 
Distance from 52W High-49.7% 
   50 Days200 Days
DMA Price$38.52$46.02
DMA Trenddownindeterminate
Distance from DMA-10.6%-25.2%
 3M1YR
Volatility34.9%40.7%
Downside Capture169.39173.86
Upside Capture78.0071.93
Correlation (SPY)38.4%28.4%
CALX Betas & Captures as of 8/31/2026

 1M2M3M6M1Y3Y
Beta1.901.361.040.780.931.15
Up Beta3.621.631.230.370.430.97
Down Beta-0.350.871.081.130.630.92
Up Capture139%136%81%32%72%179%
Bmk +ve Days10213268138427
Stock +ve Days9182653114378
Down Capture74%140%109%125%137%109%
Bmk -ve Days11213259113324
Stock -ve Days12243874136367

[1] Upside and downside betas calculated using positive and negative benchmark daily returns respectively
Based On 1-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with CALX
CALX-43.8%40.6%-1.31-
Sector ETF (XLK)42.7%26.2%1.3223.7%
Equity (SPY)18.6%12.8%1.0628.8%
Gold (GLD)20.6%29.2%0.6413.3%
Commodities (DBC)46.3%20.4%1.76-14.7%
Real Estate (VNQ)7.3%13.6%0.2717.8%
Bitcoin (BTCUSD)-29.8%43.8%-0.6819.2%

Smart multi-asset allocation framework can stack odds in your favor. Learn How
Based On 5-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with CALX
CALX-6.0%48.9%0.04-
Sector ETF (XLK)19.7%25.9%0.6846.2%
Equity (SPY)12.5%17.2%0.5549.2%
Gold (GLD)18.9%18.8%0.828.5%
Commodities (DBC)11.1%19.5%0.445.9%
Real Estate (VNQ)1.2%18.9%-0.0438.7%
Bitcoin (BTCUSD)10.8%52.6%0.3926.1%

Smart multi-asset allocation framework can stack odds in your favor. Learn How
Based On 10-Year Data
Annualized
Return
Annualized
Volatility
Sharpe
Ratio
Correlation
with CALX
CALX16.3%51.3%0.50-
Sector ETF (XLK)24.3%25.0%0.8842.5%
Equity (SPY)15.1%17.9%0.7244.2%
Gold (GLD)12.3%16.3%0.628.3%
Commodities (DBC)8.1%18.1%0.3711.8%
Real Estate (VNQ)4.7%20.7%0.1933.7%
Bitcoin (BTCUSD)63.6%66.2%1.0317.1%

Smart multi-asset allocation framework can stack odds in your favor. Learn How

Short Interest

Short Interest: As Of Date8142026
Short Interest: Shares Quantity4.0 Mil
Short Interest: % Change Since 7312026-20.7%
Average Daily Volume0.8 Mil
Days-to-Cover Short Interest5.2 days
Basic Shares Quantity63.5 Mil
Short % of Basic Shares6.2%

Returns Analyses

Earnings Returns History

Updated 8/20/2026
Expand for More
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
7/20/2026-2.3%-3.9%2.1%
4/21/2026-14.0%-15.2%-22.6%
1/28/2026-11.9%-5.0%-2.2%
10/29/20259.3%8.0%-12.1%
7/21/20253.1%5.1%5.0%
4/21/202513.1%20.5%40.9%
1/29/20259.0%14.4%0.4%
10/28/2024-4.4%-11.0%-18.2%
...
SUMMARY STATS   
# Positive81112
# Negative161312
Median Positive11.2%17.6%13.2%
Median Negative-5.0%-6.6%-12.2%
Max Positive20.5%30.3%40.9%
Max Negative-25.7%-22.8%-22.6%
Collapse to Preview
 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
7/20/2026-2.3%-3.9%2.1%
4/21/2026-14.0%-15.2%-22.6%
1/28/2026-11.9%-5.0%-2.2%
10/29/20259.3%8.0%-12.1%
7/21/20253.1%5.1%5.0%
4/21/202513.1%20.5%40.9%
1/29/20259.0%14.4%0.4%
10/28/2024-4.4%-11.0%-18.2%
7/22/2024-6.3%6.4%0.7%
4/22/2024-5.2%-5.1%6.3%
1/29/2024-25.7%-22.8%-21.4%
10/23/2023-18.3%-22.6%-11.1%
7/19/2023-2.9%-4.2%-18.1%
4/19/2023-2.6%-7.8%-3.1%
1/25/2023-2.5%-7.2%-12.3%
10/24/202218.3%22.0%11.7%
7/25/202213.7%30.3%28.1%
4/25/2022-3.9%5.0%-15.9%
1/26/2022-1.5%22.8%31.6%
10/25/20218.5%22.7%31.6%
7/26/2021-7.5%-5.0%-2.1%
4/27/2021-4.8%-3.6%-2.5%
1/27/2021-5.4%-6.6%14.9%
10/20/202020.5%17.6%14.8%
SUMMARY STATS   
# Positive81112
# Negative161312
Median Positive11.2%17.6%13.2%
Median Negative-5.0%-6.6%-12.2%
Max Positive20.5%30.3%40.9%
Max Negative-25.7%-22.8%-22.6%

SEC Filings

Expand for More
Report DateFiling DateFiling
06/30/202607/21/202610-Q
03/31/202604/22/202610-Q
12/31/202502/20/202610-K
09/30/202510/30/202510-Q
06/30/202507/22/202510-Q
03/31/202504/22/202510-Q
12/31/202402/21/202510-K
09/30/202410/29/202410-Q
06/30/202407/23/202410-Q
03/31/202404/23/202410-Q
12/31/202302/23/202410-K
09/30/202310/24/202310-Q
06/30/202307/24/202310-Q
03/31/202304/24/202310-Q
12/31/202202/21/202310-K
09/30/202210/25/202210-Q
Collapse to Preview
Report DateFiling DateFiling
06/30/202607/21/202610-Q
03/31/202604/22/202610-Q
12/31/202502/20/202610-K
09/30/202510/30/202510-Q
06/30/202507/22/202510-Q
03/31/202504/22/202510-Q
12/31/202402/21/202510-K
09/30/202410/29/202410-Q
06/30/202407/23/202410-Q
03/31/202404/23/202410-Q
12/31/202302/23/202410-K
09/30/202310/24/202310-Q
06/30/202307/24/202310-Q
03/31/202304/24/202310-Q
12/31/202202/21/202310-K
09/30/202210/25/202210-Q
06/30/202207/26/202210-Q
03/31/202204/26/202210-Q
12/31/202102/22/202210-K
09/30/202110/26/202110-Q
06/30/202107/27/202110-Q
03/31/202104/27/202110-Q
12/31/202002/22/202110-K
09/30/202010/20/202010-Q
06/30/202007/21/202010-Q
03/31/202004/30/202010-Q
12/31/201902/21/202010-K
09/30/201910/25/201910-Q

Insider Activity

Updated 7/28/2026
Expand for More
#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Russo, CarlSee FootnoteSell728202636.2075,0002,714,80556,800,526Form
2Russo, CarlSee FootnoteSell428202643.2625,0001,081,60171,134,189Form
3Russo, CarlSee FootnoteSell204202647.2725,0001,181,69078,898,508Form
4Eleniak, Shane Todd MarshallChief Product OfficerDirectSell1112202564.1424,000  Form
5Sindelar, CoryChief Financial OfficerDirectSell1110202565.3050,0003,264,9354,998,942Form
Collapse to Preview
#OwnerTitleHoldingActionFiling DatePriceSharesTransacted
Value
Value of
Held Shares
Form
1Russo, CarlSee FootnoteSell728202636.2075,0002,714,80556,800,526Form
2Russo, CarlSee FootnoteSell428202643.2625,0001,081,60171,134,189Form
3Russo, CarlSee FootnoteSell204202647.2725,0001,181,69078,898,508Form
4Eleniak, Shane Todd MarshallChief Product OfficerDirectSell1112202564.1424,000  Form
5Sindelar, CoryChief Financial OfficerDirectSell1110202565.3050,0003,264,9354,998,942Form
6Eleniak, Shane Todd MarshallChief Product OfficerDirectSell1106202565.3450,000  Form
7Russo, CarlSee FootnoteSell1106202564.09420,00026,919,367108,586,829Form
8Weening, MichaelPresident & CEODirectSell1103202567.4274,0004,989,1021,086,613Form
9Sindelar, CoryChief Financial OfficerDirectSell1103202570.0010,000700,0005,358,850Form
10Weening, MichaelPresident & CEODirectSell1103202565.36200,00013,071,4801,053,365Form
11Sindelar, CoryChief Financial OfficerDirectSell1103202565.0010,000650,0004,976,075Form
12Weening, MichaelPresident & CEODirectSell911202563.0018,0101,134,6301,015,371Form
13Weening, MichaelPresident & CEODirectSell911202562.05157,9909,803,3701,000,069Form
14Weening, MichaelPresident & CEODirectSell908202560.0024,0001,440,000967,020Form
15Weening, MichaelPresident & CEODirectSell902202560.00126,0007,560,000967,020Form
16Sindelar, CoryChief Financial OfficerDirectSell829202560.0010,000600,0004,593,300Form
17Weening, MichaelPresident & CEODirectSell805202557.0074,0004,218,000901,284Form
18Russo, CarlSee FootnoteSell729202555.4025,0001,384,925117,119,673Form
19Sindelar, CoryChief Financial OfficerDirectSell724202556.0010,000560,0004,271,960Form
20Weening, MichaelPresident & CEODirectSell724202556.15108,0006,064,000887,815Form
21Weening, MichaelPresident & CEODirectSell724202555.0092,0005,060,000869,660Form
22Sindelar, CoryChief Financial OfficerDirectSell701202552.0010,000520,0003,966,820Form

Investor Activity (13F)

Updated Sep 10, 2026
13F holdings as of Mar 31, 2026 (Q1 2026)

Active managers (13F portfolio over $250M, at least 3 holdings) with a position over $5M that is either over 10% of their portfolio or held in a concentrated book of 50 or fewer total positions. Index/ETF, sovereign, bank, community-bank and charitable/donor-advised filers are excluded.

Active ManagerValue% of PortfolioTotal PositionsQoQFiling
Divisar Capital Management LLC$16.7 Mil4.2%26ADD +13.4%13F
Harvey Partners, LLC$28.0 Mil2.3%45ADD +7.3%13F
Active ManagerValue% of PortfolioTotal PositionsQoQFiling
Divisar Capital Management LLC$16.7 Mil4.2%26ADD +13.4%13F
Harvey Partners, LLC$28.0 Mil2.3%45ADD +7.3%13F
Active Manager
Active ManagerValue% of PortfolioTotal PositionsQoQFiling
Harvey Partners, LLC$28.0 Mil2.3%45ADD +7.3%13F
Divisar Capital Management LLC$16.7 Mil4.2%26ADD +13.4%13F
Core Cache Last Updated: 9/9/2026