Tearsheet

NovaBay Pharmaceuticals (NBY)


Market Price (12/4/2025): $1.05 | Market Cap: $6.1 Mil
Sector: Health Care | Industry: Biotechnology

NovaBay Pharmaceuticals (NBY)


Market Price (12/4/2025): $1.05
Market Cap: $6.1 Mil
Sector: Health Care
Industry: Biotechnology

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 Attractive yield
Total YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 99%, ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is 94%
Weak multi-year price returns
2Y Excs Rtn is -135%, 3Y Excs Rtn is -171%
Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -6.9 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -146%
1 Cash is significant % of market cap
Net D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is -127%
  Stock price has recently run up significantly
6M Rtn6 month market price return is 169%, 12M Rtn12 month market price return is 180%
2 Megatrend and thematic drivers
Megatrends include Aging Population & Chronic Disease. Themes include Geriatric Care, and Diabetes Management.
  Weak revenue growth
Rev Chg 3Y AvgRevenue Change % averaged over trailing 3 years is -18%
3   Not cash flow generative
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -129%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -129%
4   High stock price volatility
Vol 12M is 167%
0 Attractive yield
Total YieldTotal Yield = Earnings Yield + Dividend Yield, Earnings Yield = Net Income / Market Cap Dividend Yield = Total Dividends / Market Cap is 99%, ERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is 94%
1 Cash is significant % of market cap
Net D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is -127%
2 Megatrend and thematic drivers
Megatrends include Aging Population & Chronic Disease. Themes include Geriatric Care, and Diabetes Management.
3 Weak multi-year price returns
2Y Excs Rtn is -135%, 3Y Excs Rtn is -171%
4 Not profitable at operating income level
Op Inc LTMOperating Income, Last Twelve Months is -6.9 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -146%
5 Stock price has recently run up significantly
6M Rtn6 month market price return is 169%, 12M Rtn12 month market price return is 180%
6 Weak revenue growth
Rev Chg 3Y AvgRevenue Change % averaged over trailing 3 years is -18%
7 Not cash flow generative
CFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -129%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -129%
8 High stock price volatility
Vol 12M is 167%

Valuation, Metrics & Events

NBY Stock


Why The Stock Moved


Qualitative Assessment

AI Generated Analysis | Feedback

Here are five key points explaining NovaBay Pharmaceuticals (NBY) stock movement from August 31, 2025, to December 4, 2025: 1. Significant Q3 2025 Earnings Miss
NovaBay Pharmaceuticals reported its Q3 2025 earnings per share (EPS) as -$0.23 on November 7, 2025, significantly missing analysts' expectations of -$0.08 by 187.50%. This substantial miss indicated a weaker financial performance than anticipated by the market.

2. Ongoing Operating Losses from Continuing Operations
The company's Q3 2025 financial results highlighted an operating loss of $1.26 million and a net loss from continuing operations of $1.33 million. While NovaBay reported a consolidated net income year-to-date, this profitability stemmed primarily from gains in discontinued operations, underscoring the unprofitability of the company's core, ongoing business segments.

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Stock Movement Drivers

Return vs. Risk


Price Returns Compared

 202020212022202320242025Total [1]
Returns
NBY Return9%-46%-85%-90%-92%157%-100%
Peers Return2%-1%6%8%-0%2%17%
S&P 500 Return16%27%-19%24%23%16%112%

Monthly Win Rates [3]
NBY Win Rate50%25%17%17%25%50% 
Peers Win Rate13%8%13%12%10%90% 
S&P 500 Win Rate58%75%42%67%75%70% 

Max Drawdowns [4]
NBY Max Drawdown-55%-46%-90%-90%-95%-21% 
Peers Max Drawdown-2%-5%0%-0%-1%-2% 
S&P 500 Max Drawdown-31%-1%-25%-1%-2%-15% 


[1] Cumulative total returns since the beginning of 2020
[2] Peers: VRTX, AIXC, ALPS, BBOT, EVMN.
[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 12/3/2025 (YTD)

How Low Can It Go

Unique KeyEventNBYS&P 500
2022 Inflation Shock2022 Inflation Shock  
2022 Inflation Shock% Loss% Loss-99.6%-25.4%
2022 Inflation Shock% Gain to Breakeven% Gain to Breakeven24434.3%34.1%
2022 Inflation ShockTime to BreakevenTime to BreakevenNot Fully Recovered days464 days
2020 Covid Pandemic2020 Covid Pandemic  
2020 Covid Pandemic% Loss% Loss-67.7%-33.9%
2020 Covid Pandemic% Gain to Breakeven% Gain to Breakeven209.6%51.3%
2020 Covid PandemicTime to BreakevenTime to BreakevenNot Fully Recovered days148 days
2018 Correction2018 Correction  
2018 Correction% Loss% Loss-94.1%-19.8%
2018 Correction% Gain to Breakeven% Gain to Breakeven1596.4%24.7%
2018 CorrectionTime to BreakevenTime to BreakevenNot Fully Recovered days120 days
2008 Global Financial Crisis2008 Global Financial Crisis  
2008 Global Financial Crisis% Loss% Loss-74.8%-56.8%
2008 Global Financial Crisis% Gain to Breakeven% Gain to Breakeven297.0%131.3%
2008 Global Financial CrisisTime to BreakevenTime to BreakevenNot Fully Recovered days1480 days

Compare to VRTX, AIXC, ALPS, BBOT, EVMN


In The Past

NovaBay Pharmaceuticals's stock fell -99.6% during the 2022 Inflation Shock from a high on 2/18/2021. A -99.6% loss requires a 24434.3% gain to breakeven.

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About NovaBay Pharmaceuticals (NBY)

Better Bets than NovaBay Pharmaceuticals (NBY)

Trade Ideas

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

Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
CRL_11142025_Dip_Buyer_FCFYield11142025CRLCharles River Laboratories InternationalDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
4.1%4.1%-3.7%
GDRX_11142025_Dip_Buyer_High_CFO_Margins_ExInd_DE11142025GDRXGoodRxDip BuyDB | CFO/Rev | Low D/EDip Buy with High Cash Flow Margins
Buying dips for companies with significant cash flows from operations and reasonable debt / market cap
-9.8%-9.8%-11.8%
ASTH_11142025_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG11142025ASTHAstrana HealthDip BuyDB | FCF Yield | Low D/EDip Buy with High Free Cash Flow Yield
Buying dips for companies with significant free cash flow yield (FCF / Market Cap) and reasonable debt / market cap
6.0%6.0%-5.5%
SGRY_11142025_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG11142025SGRYSurgery PartnersDip BuyDB | FCF Yield | Low D/EDip Buy with High Free Cash Flow Yield
Buying dips for companies with significant free cash flow yield (FCF / Market Cap) and reasonable debt / market cap
9.7%9.7%-1.4%
TFX_11072025_Dip_Buyer_FCFYield11072025TFXTeleflexDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
6.2%6.2%-5.1%
Unique KeyDateTickerCompanyCategoryTrade Strategy6M Fwd Rtn12M Fwd Rtn12M Max DD
CRL_11142025_Dip_Buyer_FCFYield11142025CRLCharles River Laboratories InternationalDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
4.1%4.1%-3.7%
GDRX_11142025_Dip_Buyer_High_CFO_Margins_ExInd_DE11142025GDRXGoodRxDip BuyDB | CFO/Rev | Low D/EDip Buy with High Cash Flow Margins
Buying dips for companies with significant cash flows from operations and reasonable debt / market cap
-9.8%-9.8%-11.8%
ASTH_11142025_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG11142025ASTHAstrana HealthDip BuyDB | FCF Yield | Low D/EDip Buy with High Free Cash Flow Yield
Buying dips for companies with significant free cash flow yield (FCF / Market Cap) and reasonable debt / market cap
6.0%6.0%-5.5%
SGRY_11142025_Dip_Buyer_High_FCF_Yield_ExInd_DE_RevG11142025SGRYSurgery PartnersDip BuyDB | FCF Yield | Low D/EDip Buy with High Free Cash Flow Yield
Buying dips for companies with significant free cash flow yield (FCF / Market Cap) and reasonable debt / market cap
9.7%9.7%-1.4%
TFX_11072025_Dip_Buyer_FCFYield11072025TFXTeleflexDip BuyDB | FCFY OPMDip Buy with High FCF Yield and High Margin
Buying dips for companies with high FCF yield and meaningfully high operating margin
6.2%6.2%-5.1%

Recent Active Movers

Recent Active Movers

More From Trefis

Peer Comparisons for NovaBay Pharmaceuticals

Peers to compare with:

Financials

NBYVRTXAIXCALPSBBOTEVMNMedian
NameNovaBay .Vertex P.AIxCryptoALPS BridgeBi.Evommune  
Mkt Price1.06463.132.541.0711.0721.226.80
Mkt Cap0.0118.4----59.2
Rev LTM511,7230-0105
Op Inc LTM-7-92-5--93-70-70
FCF LTM-63,337-6--60-64-6
FCF 3Y Avg-62,064-10----6
CFO LTM-63,718-6--60-64-6
CFO 3Y Avg-62,419-10----6

Growth & Margins

NBYVRTXAIXCALPSBBOTEVMNMedian
NameNovaBay .Vertex P.AIxCryptoALPS BridgeBi.Evommune  
Rev Chg LTM3.7%10.3%----7.0%
Rev Chg 3Y Avg-18.1%10.5%-----3.8%
Rev Chg Q-11.0%----11.0%
QoQ Delta Rev Chg LTM0.0%2.7%----1.3%
Op Mgn LTM-146.1%-0.8%----700.7%-146.1%
Op Mgn 3Y Avg-103.4%26.2%-----38.6%
QoQ Delta Op Mgn LTM-5.8%1.0%-----2.4%
CFO/Rev LTM-128.8%31.7%----635.6%-128.8%
CFO/Rev 3Y Avg-91.9%23.1%-----34.4%
FCF/Rev LTM-128.9%28.5%----636.5%-128.9%
FCF/Rev 3Y Avg-92.3%19.8%-----36.2%

Valuation

NBYVRTXAIXCALPSBBOTEVMNMedian
NameNovaBay .Vertex P.AIxCryptoALPS BridgeBi.Evommune  
Mkt Cap0.0118.4----59.2
P/S0.78.5----4.6
P/EBIT-0.422.4----11.0
P/E1.027.2----14.1
P/CFO-0.626.9----13.2
Total Yield98.5%3.7%----51.1%
Dividend Yield0.0%0.0%----0.0%
FCF Yield 3Y Avg-204.5%2.3%-----101.1%
D/E0.30.0----0.2
Net D/E-1.3-0.0-----0.7

Returns

NBYVRTXAIXCALPSBBOTEVMNMedian
NameNovaBay .Vertex P.AIxCryptoALPS BridgeBi.Evommune  
1M Rtn-2.8%8.7%---9.9%--2.8%
3M Rtn-40.2%16.8%--12.5%-12.5%
6M Rtn168.6%3.9%----86.3%
12M Rtn180.3%1.3%----90.8%
3Y Rtn-97.8%44.1%-----26.8%
1M Excs Rtn-2.7%8.7%---9.9%--2.7%
3M Excs Rtn-67.3%11.3%--4.5%-4.5%
6M Excs Rtn153.9%-10.8%----71.5%
12M Excs Rtn152.4%-14.6%----68.9%
3Y Excs Rtn-170.8%-25.9%-----98.4%

Financials

Price Behavior

Short Interest

Short Interest: As Of Date11142025
Short Interest: Shares Quantity73,685
Short Interest: % Change Since 10312025-49.4%
Average Daily Volume137,161
Days-to-Cover Short Interest1
Basic Shares Quantity5,818,000
Short % of Basic Shares1.3%

SEC Filings

Expand for More

Report DateFiling DateFiling
6302025814202510-Q 6/30/2025
3312025515202510-Q 3/31/2025
12312024402202510-K 12/31/2024
93020241107202410-Q 9/30/2024
6302024813202410-Q 6/30/2024
3312024509202410-Q 3/31/2024
12312023326202410-K 12/31/2023
93020231109202310-Q 9/30/2023
6302023810202310-Q 6/30/2023
3312023511202310-Q 3/31/2023
12312022331202310-K 12/31/2022
93020221114202210-Q 9/30/2022
6302022811202210-Q 6/30/2022
3312022512202210-Q 3/31/2022
12312021329202210-K 12/31/2021
93020211112202110-Q 9/30/2021