NovaBay Pharmaceuticals, Inc. (NBY) Stock Price History
Historical prices from 2001 to 2026
- 1M
- —
- 3M
- —
- YTD
- -95.8%
- 1Y
- -84.1%
- 3Y
- -75.2%
- 5Y
- -79.7%
Loading 10-year price history...
NBY Historical Performance
NBY Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- +0.0%
- 2003 annual price return
- +0.0%
- 2004 annual price return
- +0.0%
- 2005 annual price return
- +0.0%
- 2006 annual price return
- +0.0%
- 2007 annual price return
- -42.4%
- 2008 annual price return
- -73.3%
- 2009 annual price return
- +102.0%
- 2010 annual price return
- -17.8%
- 2011 annual price return
- -19.8%
- 2012 annual price return
- -15.0%
- 2013 annual price return
- +8.8%
- 2014 annual price return
- -51.2%
- 2015 annual price return
- -87.4%
- 2016 annual price return
- +63.4%
- 2017 annual price return
- +18.8%
- 2018 annual price return
- -81.2%
- 2019 annual price return
- -35.4%
- 2020 annual price return
- +11.5%
- 2021 annual price return
- -48.5%
- 2022 annual price return
- -86.0%
- 2023 annual price return
- -91.3%
- 2024 annual price return
- -91.2%
- 2025 annual price return
- +801.0%
- 2026 annual price return
- -95.0%
NBY Stock Price Trajectory (2001–2026)
As of October 3, 2026, NovaBay Pharmaceuticals, Inc. (NBY) trades at $1.47, representing a -84.1% return over the past year. The stock has delivered a -99.9% total return over five years (-79.7% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $999,999.00 on October 25, 2007. From this peak, NBY has corrected -100.0%, currently trading 85% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers AYTU (+5.1% 1Y), PRPH (-99.7% 1Y), and OGEN (-63.0% 1Y), NBY has underperformed the peer group average. Compare NBY vs AYTU →
NBY Historical Price Data · from 2001
Rows 1–50 of 6,367| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-06-18 | 1.18 | 1.25 | 1.18 | 1.22 | 132K | +2.52% |
| 2026-06-17 | 1.13 | 1.50 | 1.13 | 1.19 | 463K | +7.21% |
| 2026-06-16 | 1.10 | 1.17 | 1.09 | 1.11 | 150K | +2.78% |
| 2026-06-15 | 1.04 | 1.15 | 1.04 | 1.08 | 159K | +6.93% |
| 2026-06-12 | 1.09 | 1.14 | 1.00 | 1.01 | 615K | -7.34% |
| 2026-06-11 | 1.05 | 1.14 | 1.03 | 1.09 | 1.59M | +1.87% |
| 2026-06-10 | 1.07 | 1.11 | 1.03 | 1.07 | 70K | +2.88% |
| 2026-06-09 | 1.15 | 1.16 | 1.04 | 1.04 | 198K | -10.34% |
| 2026-06-08 | 1.19 | 1.21 | 1.13 | 1.16 | 79K | +3.57% |
| 2026-06-05 | 1.20 | 1.25 | 1.11 | 1.12 | 84K | -7.44% |
| 2026-06-04 | 1.18 | 1.27 | 1.15 | 1.21 | 102K | +4.31% |
| 2026-06-03 | 1.14 | 1.17 | 1.10 | 1.16 | 73K | +0.87% |
| 2026-06-02 | 1.13 | 1.16 | 1.08 | 1.15 | 298K | -4.96% |
| 2026-06-01 | 1.23 | 1.30 | 1.17 | 1.21 | 271K | -4.72% |
| 2026-05-29 | 1.33 | 1.36 | 1.25 | 1.27 | 124K | -3.05% |
| 2026-05-28 | 1.36 | 1.42 | 1.29 | 1.31 | 203K | -6.43% |
| 2026-05-27 | 1.25 | 1.42 | 1.23 | 1.40 | 201K | +6.87% |
| 2026-05-26 | 1.33 | 1.39 | 1.25 | 1.31 | 610K | -7.09% |
| 2026-05-22 | 1.54 | 1.54 | 1.41 | 1.41 | 5.24M | -4.73% |
| 2026-05-21 | 1.65 | 1.65 | 1.43 | 1.48 | 55K | -2.63% |
| 2026-05-20 | 1.60 | 1.64 | 1.45 | 1.52 | 99K | -1.94% |
| 2026-05-19 | 1.59 | 1.63 | 1.55 | 1.55 | 55K | -2.52% |
| 2026-05-18 | 1.69 | 1.72 | 1.58 | 1.59 | 110K | -3.05% |
| 2026-05-15 | 1.73 | 1.73 | 1.60 | 1.64 | 70K | 0.00% |
| 2026-05-14 | 1.84 | 1.84 | 1.62 | 1.64 | 141K | -7.87% |
| 2026-05-13 | 1.74 | 1.79 | 1.69 | 1.78 | 95K | +2.30% |
| 2026-05-12 | 1.65 | 1.88 | 1.65 | 1.74 | 132K | +5.45% |
| 2026-05-11 | 1.67 | 1.90 | 1.62 | 1.65 | 165K | +1.23% |
| 2026-05-08 | 1.58 | 1.67 | 1.48 | 1.63 | 114K | +6.54% |
| 2026-05-07 | 1.65 | 1.65 | 1.51 | 1.53 | 88K | -7.27% |
| 2026-05-06 | 1.48 | 1.65 | 1.40 | 1.65 | 146K | +15.38% |
| 2026-05-05 | 1.33 | 1.46 | 1.29 | 1.43 | 83K | +9.16% |
| 2026-05-04 | 1.36 | 1.45 | 1.31 | 1.31 | 126K | 0.00% |
| 2026-05-01 | 1.31 | 1.33 | 1.24 | 1.31 | 53K | +5.65% |
| 2026-04-30 | 1.25 | 1.30 | 1.23 | 1.24 | 58K | -2.36% |
| 2026-04-29 | 1.32 | 1.34 | 1.20 | 1.27 | 125K | +0.79% |
| 2026-04-28 | 1.32 | 1.38 | 1.26 | 1.26 | 55K | -3.82% |
| 2026-04-27 | 1.33 | 1.40 | 1.31 | 1.31 | 68K | -1.50% |
| 2026-04-24 | 1.30 | 1.41 | 1.29 | 1.33 | 126K | +3.10% |
| 2026-04-23 | 1.38 | 1.50 | 1.28 | 1.29 | 110K | -7.19% |
| 2026-04-22 | 1.38 | 1.47 | 1.38 | 1.39 | 147K | +0.72% |
| 2026-04-21 | 1.40 | 1.42 | 1.38 | 1.38 | 171K | -1.43% |
| 2026-04-20 | 1.48 | 1.49 | 1.37 | 1.40 | 162K | -9.09% |
| 2026-04-17 | 1.53 | 1.55 | 1.49 | 1.54 | 121K | +2.67% |
| 2026-04-16 | 1.58 | 1.62 | 1.41 | 1.50 | 181K | -4.46% |
| 2026-04-15 | 1.67 | 1.68 | 1.54 | 1.57 | 294K | -5.42% |
| 2026-04-14 | 1.64 | 1.66 | 1.58 | 1.66 | 78K | +1.22% |
| 2026-04-13 | 1.59 | 1.67 | 1.58 | 1.64 | 103K | +2.50% |
| 2026-04-10 | 1.56 | 1.71 | 1.55 | 1.60 | 425K | +1.27% |
| 2026-04-09 | 1.70 | 1.73 | 1.55 | 1.58 | 187K | -9.20% |
NBY Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
NBY — Frequently Asked Questions
Quick answers to the most common questions about buying NBY stock.
How has NBY stock performed recently?
NBY declined -84.1% over the past year, below its 5-year annualized CAGR of -79.7%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is NBY's all-time high price?
NovaBay Pharmaceuticals, Inc. reached $999999.00 on 2007-10-25. The 52-week high is $99.75. Current 1-year return of -84.1% places the stock further from historical peaks.
Where can I download NBY historical price data?
This page provides NBY daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2001-2026, downloadable in CSV format.