NovaBay Pharmaceuticals, Inc. (NBY) Stock Price History
Historical prices from 2001 to 2026
- 1M
- +0.0%
- 3M
- +14.8%
- YTD
- -95.0%
- 1Y
- -51.8%
- 3Y
- -77.5%
- 5Y
- -79.8%
Loading 10-year price history...
NBY Historical Performance
NBY Annual Returns
Year-by-year price performance · 2006–2026
- 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
- -95.1%
NBY Stock Price Trajectory (2001–2026)
As of June 22, 2026, NovaBay Pharmaceuticals, Inc. (NBY) trades at $1.47, representing a -51.8% return over the past year. The stock has delivered a -99.9% total return over five years (-79.8% 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 (+17.3% 1Y), PRPH (-79.5% 1Y), and OGEN (-85.2% 1Y), NBY has underperformed the peer group average. Compare NBY vs AYTU →
NBY Historical Price Data · from 2001
Rows 1–50 of 6,317| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-22 | 1.47 | 1.47 | 1.47 | 1.47 | 87K | -21.81% |
| 2026-04-06 | 1.70 | 2.13 | 1.66 | 1.88 | 317K | -3.59% |
| 2026-04-02 | 1.58 | 1.98 | 1.57 | 1.95 | 616K | +22.64% |
| 2026-04-01 | 1.51 | 1.69 | 1.49 | 1.59 | 211K | +6.71% |
| 2026-03-31 | 1.39 | 1.52 | 1.37 | 1.49 | 246K | +7.97% |
| 2026-03-30 | 1.44 | 1.50 | 1.33 | 1.38 | 253K | -5.48% |
| 2026-03-27 | 1.45 | 1.60 | 1.42 | 1.46 | 217K | -6.40% |
| 2026-03-26 | 1.43 | 1.70 | 1.43 | 1.56 | 356K | +9.85% |
| 2026-03-25 | 1.63 | 1.65 | 1.40 | 1.42 | 377K | -5.33% |
| 2026-03-24 | 1.40 | 1.75 | 1.27 | 1.50 | 1.22M | +8.70% |
| 2026-03-23 | 1.19 | 1.49 | 1.13 | 1.38 | 1.07M | +18.97% |
| 2026-03-20 | 1.22 | 1.25 | 1.16 | 1.16 | 133K | -4.92% |
| 2026-03-19 | 1.25 | 1.28 | 1.15 | 1.22 | 251K | -4.69% |
| 2026-03-18 | 1.30 | 1.36 | 1.26 | 1.28 | 226K | -5.88% |
| 2026-03-17 | 1.43 | 1.46 | 1.26 | 1.36 | 449K | -6.21% |
| 2026-03-16 | 1.23 | 1.85 | 1.22 | 1.45 | 5.59M | +19.83% |
| 2026-03-13 | 1.24 | 1.28 | 1.14 | 1.21 | 187K | -4.72% |
| 2026-03-12 | 1.25 | 1.30 | 1.19 | 1.27 | 219K | 0.00% |
| 2026-03-11 | 1.24 | 1.36 | 1.20 | 1.27 | 243K | +0.79% |
| 2026-03-10 | 1.22 | 1.30 | 1.14 | 1.26 | 322K | +1.61% |
| 2026-03-09 | 1.38 | 1.38 | 1.11 | 1.24 | 514K | -10.79% |
| 2026-03-06 | 1.50 | 1.60 | 1.35 | 1.39 | 1.30M | -6.08% |
| 2026-03-05 | 1.46 | 1.51 | 1.41 | 1.48 | 154K | +1.37% |
| 2026-03-04 | 1.53 | 1.54 | 1.38 | 1.46 | 204K | -1.35% |
| 2026-03-03 | 1.43 | 1.58 | 1.36 | 1.48 | 275K | +3.50% |
| 2026-03-02 | 1.35 | 1.70 | 1.29 | 1.43 | 470K | -0.69% |
| 2026-02-27 | 1.51 | 1.52 | 1.39 | 1.44 | 262K | -5.88% |
| 2026-02-26 | 1.50 | 1.69 | 1.42 | 1.53 | 397K | -1.29% |
| 2026-02-25 | 1.68 | 1.70 | 1.50 | 1.55 | 507K | -6.06% |
| 2026-02-24 | 2.10 | 2.13 | 1.55 | 1.65 | 1.11M | -21.43% |
| 2026-02-23 | 2.80 | 2.80 | 1.95 | 2.10 | 903K | -30.23% |
| 2026-02-20 | 2.80 | 3.75 | 2.53 | 3.01 | 1.59M | +18.04% |
| 2026-02-19 | 2.35 | 2.94 | 2.33 | 2.55 | 645K | +17.51% |
| 2026-02-18 | 2.70 | 2.73 | 2.17 | 2.17 | 278K | -19.63% |
| 2026-02-17 | 2.63 | 2.95 | 2.63 | 2.70 | 287K | +3.05% |
| 2026-02-13 | 3.05 | 3.61 | 2.56 | 2.62 | 406K | -9.97% |
| 2026-02-12 | 3.35 | 3.60 | 2.90 | 2.91 | 202K | -12.08% |
| 2026-02-11 | 3.56 | 3.56 | 3.29 | 3.31 | 171K | -5.43% |
| 2026-02-10 | 3.60 | 4.05 | 3.50 | 3.50 | 365K | -5.15% |
| 2026-02-09 | 4.35 | 4.75 | 3.69 | 3.69 | 566K | -2.89% |
| 2026-02-06 | 3.95 | 4.70 | 3.80 | 3.80 | 355K | +1.06% |
| 2026-02-05 | 4.71 | 5.30 | 3.76 | 3.76 | 339K | -20.84% |
| 2026-02-04 | 6.00 | 6.00 | 4.63 | 4.75 | 405K | -18.10% |
| 2026-02-03 | 8.35 | 8.65 | 5.70 | 5.80 | 379K | -32.16% |
| 2026-02-02 | 9.25 | 9.40 | 8.35 | 8.55 | 198K | -8.06% |
| 2026-01-30 | 9.25 | 10.65 | 8.80 | 9.30 | 273K | +0.54% |
| 2026-01-29 | 9.95 | 10.00 | 8.95 | 9.25 | 300K | -7.50% |
| 2026-01-28 | 10.75 | 12.40 | 9.10 | 10.00 | 573K | -15.61% |
| 2026-01-27 | 15.00 | 15.00 | 9.00 | 11.85 | 937K | -24.76% |
| 2026-01-26 | 23.15 | 23.30 | 15.50 | 15.75 | 412K | +234.39% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
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 -51.8% over the past year, below its 5-year annualized CAGR of -79.8%. 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 -51.8% 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.