Tearsheet

Byrna Technologies (BYRN)


Market Price (11/15/2025): $17.29 | Market Cap: $392.3 Mil
Sector: Industrials | Industry: Aerospace & Defense

Byrna Technologies (BYRN)


Market Price (11/15/2025): $17.29
Market Cap: $392.3 Mil
Sector: Industrials
Industry: Aerospace & Defense

Investment Highlights Why It Matters Which of these 2 stories sounds closer for this stock?

1. Generates cash flow

The stock generated 4% or more of the share price (called cash flow yield), and shows moderate 10-15% or more growth.

2. Riding a trend

Think Tesla during the pandemic of 2020 when EVs were riding a cultural high, or Nvidia in the current AI boom, or even Figma. These companies don’t have enough yield, or, enough growth, or both - however - they are riding a trend. They have momentum. These can be more volatile - they don’t have the floor of strong cash flow


0 Strong revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is 51%
Meaningful short interest
Short Interest Days-to-CoverDTC = (Short Interest Share Quantity) / (Average Daily Trading Volume). Reflects how many days it would take to cover (close out) the short interest based on average volumes. High DTC can signify an increased risk of a short squeeze. is 10.03, Short Interest % of Basic SharesShort Interest % of Basic Shares = (Short Interest Quantity) / (Basic Shares Outstanding). A high fraction of short interest can indicate potential risk of a short squeeze. is 17%
Expensive valuation multiples
P/EBITPrice/EBIT or Price/(Operating Income) ratio is 33x
1 Megatrend and thematic drivers
Megatrends include Personal Security & Safety, and Public Safety Enhancement. Themes include Non-Lethal Defense, Personal Protection Devices, Show more.
  Not cash flow generative
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -3.8%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -10.0%
0 Strong revenue growth
Rev Chg LTMRevenue Change % Last Twelve Months (LTM) is 51%
1 Megatrend and thematic drivers
Megatrends include Personal Security & Safety, and Public Safety Enhancement. Themes include Non-Lethal Defense, Personal Protection Devices, Show more.
2 Meaningful short interest
Short Interest Days-to-CoverDTC = (Short Interest Share Quantity) / (Average Daily Trading Volume). Reflects how many days it would take to cover (close out) the short interest based on average volumes. High DTC can signify an increased risk of a short squeeze. is 10.03, Short Interest % of Basic SharesShort Interest % of Basic Shares = (Short Interest Quantity) / (Basic Shares Outstanding). A high fraction of short interest can indicate potential risk of a short squeeze. is 17%
3 Expensive valuation multiples
P/EBITPrice/EBIT or Price/(Operating Income) ratio is 33x
4 Not cash flow generative
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -3.8%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -10.0%

Market Valuation & Key Metrics

BYRN Stock


Why The Stock Moved


Qualitative Assessment

AI Generated Analysis | Feedback

Here are the key points explaining the -22.2% stock movement for Byrna Technologies (BYRN) from approximately July 31, 2025, to November 15, 2025: 1. Significant Decrease in Cash and Marketable Securities. Byrna Technologies' cash, cash equivalents, and marketable securities decreased from $25.7 million at November 30, 2024, to $9.0 million at August 31, 2025. This substantial reduction in liquid assets, attributed to working capital changes, could have raised investor concerns about the company's liquidity position.

2. Increase in Inventory and Accounts Receivable. The company experienced a considerable increase in inventory, which totaled $34.1 million at August 31, 2025, up from $20 million at November 30, 2024. Accounts receivable also rose to $8.9 million from $2.6 million in the same period. While these increases were noted as strategic builds for the holiday season and new product launches, they tie up capital and could be perceived as a risk if sales do not meet expectations or if collection of receivables slows.

Show more

Stock Movement Drivers

Return vs. Risk


Price Returns Compared

 202020212022202320242025Total [1]
Returns
BYRN Return85%3608%-41%-18%351%-39%8924%
Peers Return-11%-2%-3%14%35%34%76%
S&P 500 Return16%27%-19%24%23%15%109%

Monthly Win Rates [3]
BYRN Win Rate33%25%42%42%58%40% 
Peers Win Rate8%8%10%16%15%33% 
S&P 500 Win Rate58%75%42%67%75%70% 

Max Drawdowns [4]
BYRN Max Drawdown-13%0%-66%-71%-13%-48% 
Peers Max Drawdown-15%-5%-7%-0%-8%-15% 
S&P 500 Max Drawdown-31%-1%-25%-1%-2%-15% 


[1] Cumulative total returns since the beginning of 2020
[2] Peers: FLY, ATRO, DFSC, PEW, PRZO.
[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] 2025 data is for the year up to 11/14/2025 (YTD)

How Low Can It Go

Unique KeyEventBYRNS&P 500
2022 Inflation Shock2022 Inflation Shock  
2022 Inflation Shock% Loss% Loss-92.5%-25.4%
2022 Inflation Shock% Gain to Breakeven% Gain to Breakeven1234.8%34.1%
2022 Inflation ShockTime to BreakevenTime to Breakeven454 days464 days
2020 Covid Pandemic2020 Covid Pandemic  
2020 Covid Pandemic% Loss% Loss-38.1%-33.9%
2020 Covid Pandemic% Gain to Breakeven% Gain to Breakeven61.5%51.3%
2020 Covid PandemicTime to BreakevenTime to Breakeven45 days148 days
2008 Global Financial Crisis2008 Global Financial Crisis  
2008 Global Financial Crisis% Loss% Loss-95.1%-56.8%
2008 Global Financial Crisis% Gain to Breakeven% Gain to Breakeven1946.7%131.3%
2008 Global Financial CrisisTime to BreakevenTime to Breakeven4291 days1480 days

Compare to FLY, ATRO, DFSC, PEW, PRZO


In The Past

Byrna Technologies's stock fell -92.5% during the 2022 Inflation Shock from a high on 8/26/2021. A -92.5% loss requires a 1234.8% gain to breakeven.

Preserve Wealth

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Asset Allocation

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About Byrna Technologies (BYRN)

Better Bets than Byrna Technologies (BYRN)

Trade Ideas

Select past ideas related to BYRN. For more, see Trefis Trade Ideas.

Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
GEO_10312025_Dip_Buyer_FCFYield10312025GEOGEODip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
-14.1%-14.1%-14.1%
RUN_10312025_Short_Squeeze10312025RUNSunrunSpecialShort Squeeze PotentialShort Squeeze Potential
Has potential for a short squeeze. High short interest, rising short interest and high debt.
-9.1%-9.1%-17.5%
PLPC_10312025_Quality_Momentum_RoomToRun_10%10312025PLPCPreformed Line ProductsQualityQ | Momentum | UpsideQuality Stocks with Momentum and Upside
Buying quality stocks with strong momentum but still having room to run
-4.8%-4.8%-4.8%
VRSK_10172025_Monopoly_xInd_xCD_Getting_Cheaper10172025VRSKVerisk AnalyticsMonopolyMY | Getting CheaperMonopoly-Like with P/S Decline
Large cap with monopoly-like margins or cash flow generation and getting cheaper based on P/S multiple
-6.3%-6.3%-10.5%
CARR_10102025_Dip_Buyer_ValueBuy10102025CARRCarrier GlobalDip BuyDB | P/E OPMDip Buy with Low PE and High Margin
Buying dips for companies with tame PE and meaningfully high operating margin
-2.3%-2.3%-2.3%
Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
GEO_10312025_Dip_Buyer_FCFYield10312025GEOGEODip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
-14.1%-14.1%-14.1%
RUN_10312025_Short_Squeeze10312025RUNSunrunSpecialShort Squeeze PotentialShort Squeeze Potential
Has potential for a short squeeze. High short interest, rising short interest and high debt.
-9.1%-9.1%-17.5%
PLPC_10312025_Quality_Momentum_RoomToRun_10%10312025PLPCPreformed Line ProductsQualityQ | Momentum | UpsideQuality Stocks with Momentum and Upside
Buying quality stocks with strong momentum but still having room to run
-4.8%-4.8%-4.8%
VRSK_10172025_Monopoly_xInd_xCD_Getting_Cheaper10172025VRSKVerisk AnalyticsMonopolyMY | Getting CheaperMonopoly-Like with P/S Decline
Large cap with monopoly-like margins or cash flow generation and getting cheaper based on P/S multiple
-6.3%-6.3%-10.5%
CARR_10102025_Dip_Buyer_ValueBuy10102025CARRCarrier GlobalDip BuyDB | P/E OPMDip Buy with Low PE and High Margin
Buying dips for companies with tame PE and meaningfully high operating margin
-2.3%-2.3%-2.3%

Recent Active Movers

Recent Active Movers

More From Trefis

Peer Comparisons for Byrna Technologies

Financials

BYRNFLYATRODFSCPEWPRZOMedian
NameByrna Te.Firefly .AstronicsDEFSEC T.GrabAGun.ParaZero. 
Mkt Price17.2822.9552.153.173.781.2410.53
Mkt Cap0.4-1.8---1.1
Rev LTM1111018314--106
Op Inc LTM12-21150-9--2
FCF LTM-11-19951-9---10
FCF 3Y Avg-2-8-11---2
CFO LTM-4-16574-9---7
CFO 3Y Avg1-22-10--1

Growth & Margins

BYRNFLYATRODFSCPEWPRZOMedian
NameByrna Te.Firefly .AstronicsDEFSEC T.GrabAGun.ParaZero. 
Rev Chg LTM51.0%-6.2%166.4%--51.0%
Rev Chg 3Y Avg40.4%-19.5%94.3%--40.4%
Rev Chg Q35.1%-3.8%330.2%--35.1%
QoQ Delta Rev Chg LTM7.1%-0.9%35.8%--7.1%
Op Mgn LTM10.8%-209.3%6.0%-209.1%---101.6%
Op Mgn 3Y Avg-1.4%-2.2%-699.5%---1.4%
QoQ Delta Op Mgn LTM1.2%-1.7%86.7%--1.7%
CFO/Rev LTM-3.8%-164.1%8.9%-212.3%---84.0%
CFO/Rev 3Y Avg0.6%-2.5%-716.7%--0.6%
FCF/Rev LTM-10.0%-197.5%6.1%-216.3%---103.8%
FCF/Rev 3Y Avg-3.4%-0.8%-777.8%---3.4%

Valuation

BYRNFLYATRODFSCPEWPRZOMedian
NameByrna Te.Firefly .AstronicsDEFSEC T.GrabAGun.ParaZero. 
Mkt Cap0.4-1.8---1.1
P/S3.5-2.2---2.9
P/EBIT32.7-36.9---34.8
P/E24.5--598.2----286.9
P/CFO-92.4-25.1----33.7
Total Yield4.1%--0.2%---2.0%
Dividend Yield0.0%-0.0%---0.0%
FCF Yield 3Y Avg-4.0%--0.5%----2.2%
D/E0.0-0.2---0.1
Net D/E-0.0-0.2---0.1

Returns

BYRNFLYATRODFSCPEWPRZOMedian
NameByrna Te.Firefly .AstronicsDEFSEC T.GrabAGun.ParaZero. 
1M Rtn-26.0%-22.5%6.3%-24.2%-20.1%-23.9%-23.2%
3M Rtn-9.9%-51.5%55.9%-17.0%-29.3%-19.0%-18.0%
6M Rtn-31.9%-72.9%--30.5%30.5%
12M Rtn-7.9%-220.3%--121.0%121.0%
3Y Rtn116.0%-486.0%---301.0%
1M Excs Rtn-24.2%-19.8%7.3%-29.9%-18.7%-22.6%-21.2%
3M Excs Rtn-15.3%-57.2%44.4%-23.3%-29.1%-19.5%-21.4%
6M Excs Rtn-44.9%-59.8%--17.5%17.5%
12M Excs Rtn-18.5%-196.6%--96.4%96.4%
3Y Excs Rtn75.6%-505.6%---290.6%

Financials

Segment Financials

Revenue by Segment

$ Mil20242023202220212020
Single Segment434842  
40mm   00
Byrna®   161
Total434842171


Price Behavior

Short Interest

Short Interest: As Of Date10312025
Short Interest: Shares Quantity3,843,745
Short Interest: % Change Since 101520250.7%
Average Daily Volume383,041
Days-to-Cover Short Interest10.03
Basic Shares Quantity22,691,574
Short % of Basic Shares16.9%

Earnings Returns History

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 Forward Returns
Earnings Date1D Returns5D Returns21D Returns
9/4/2025-6.7%2.1%9.6%
6/5/202518.0%18.8%21.6%
3/5/2025-1.7%-17.1%-28.0%
12/10/202414.9%38.4%42.0%
9/4/202438.1%35.0%54.0%
6/5/20244.3%3.9%-6.8%
12/19/20235.7%11.9%3.8%
9/26/20233.8%-15.1%57.4%
...
SUMMARY STATS   
# Positive101112
# Negative1098
Median Positive5.0%11.9%15.6%
Median Negative-4.2%-8.4%-12.6%
Max Positive38.1%38.4%61.3%
Max Negative-6.7%-17.1%-28.0%

SEC Filings

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Report DateFiling DateFiling
83120251009202510-Q 8/31/2025
5312025710202510-Q 5/31/2025
2282025410202510-Q 2/28/2025
11302024207202510-K 11/30/2024
83120241011202410-Q 8/31/2024
5312024709202410-Q 5/31/2024
2292024405202410-Q 2/29/2024
11302023214202410-K 11/30/2023
83120231012202310-Q 8/31/2023
5312023711202310-Q 5/31/2023
2282023414202310-Q 2/28/2023
11302022209202310-K 11/30/2022
83120221003202210-Q 8/31/2022
5312022707202210-Q 5/31/2022
2282022406202210-Q 2/28/2022
11302021211202210-K 11/30/2021

Insider Activity

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