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NYSE American · Biotechnology · USD

NovaBay Pharmaceuticals Inc (NBY) Stock Analysis

NovaBay Pharmaceuticals Inc (NBY) is a Biotechnology stock listed on NYSE American and quoted in US Dollar.

NBY

$1.31

−$0.10 (−7.09%)

Last trade May 26, 2026

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Price History

Hover for the daily close. The dotted line marks the period open.

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NBY Key Statistics

As of May 26, 2026
Trading
Open
$1.33
Previous Close
$1.41
Day's Range
1.25–1.39
52-Week Range
1.11–99.75
Volume
585.54K
BetaHow much the share price moves relative to the wider market. 1.0 moves in line with it; above 1.0 swings more, below 1.0 less.
0.16
Valuation
Market Cap
$51.92M
P/E Ratio
unprofitable
EPS (ttm)Profit attributable to each share over the last twelve months.
−28.50
Financials (FY)
Profit marginThe share of revenue left as profit after all costs and taxes.
0.00%
1-Year Return
+247.66%
Dividend and dates
Avg Volume
462.47K

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

NBY Stock Return by Calendar Year

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

YearReturn
2026 (partial year)−76.77%
2025+1322.09%
2024 (partial year)+20.00%

As of May 26, 2026.

NBY Valuation vs Biotechnology Median

Median of 656 stocks
MetricNBYBiotechnology medianvs median
Profit margin0.00%0.00%0.0 pts above

Medians across 656 Biotechnology stocks that report the metric. Medians, not averages, so one outlier cannot move them. As of September 4, 2026.

Analysis

Data-derived

Company Overview

The market values NovaBay Pharmaceuticals Inc (NBY) at $51.92M. The company sits in the Healthcare sector, in the Biotechnology industry. Headcount on file is 2.

Over the past 52 weeks the price has ranged from $1.11 to $99.75. The most recent close on file for NBY is $1.31, dated May 26, 2026. That is −$0.10 (−7.09%) against the previous close. The latest close sits 18.02% above that 52-week low.

Financial Health

The reported profit margin is 0%. Trailing earnings per share are −28.5.

Valuation Assessment

The record shows negative trailing earnings, so no price-to-earnings ratio is published.

The reported beta is 0.16. Daily returns over the trailing 1 year annualize to a volatility of 453.11%. The trailing one-year price return is +247.66%.

Growth & Income

The record shows no dividend for NBY.

The record holds one complete calendar year, 2025, which returned +1,322.09%. 2026 is still running; the price is −76.77% year to date.

Peer Comparison

NovaBay Pharmaceuticals Inc (NBY) operates in the Biotechnology industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
NovaBay Pharmaceuticals Inc NBY $51.92M —
Vertex Pharmaceuticals Incorporated VRTX $138.42B 32.5
Regeneron Pharmaceuticals, Inc. REGN $85.22B 20.5
argenx SE ARGX $64.25B 40.1

The Biotechnology industry average P/E ratio is 12.6x. NovaBay Pharmaceuticals Inc has no P/E ratio because it is not currently profitable.

Every figure above is read from this page's own data on each nightly rebuild. Informational only, not financial advice. As of May 26, 2026.

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About NovaBay Pharmaceuticals Inc

NovaBay Pharmaceuticals, Inc. engages in the accumulation and holding of digital assets for participation in blockchain-based networks. The company focuses on the accumulation, holding, and deployment of SKY, a protocol token of the decentralized Sky Protocol. Its services intend to support protocol-level services, including staking, governance participation, validation, and related activities. The company was formerly known as NovaCal Pharmaceuticals, Inc. and changed its name to NovaBay Pharmaceuticals, Inc. in February 2007. NovaBay Pharmaceuticals, Inc. was incorporated in 2000 and is headquartered in Emeryville, California.

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