ProPhase Labs, Inc. (PRPH) Stock Price History
Historical prices from 1994 to 2026
- 1M
- -63.6%
- 3M
- -91.8%
- YTD
- -97.5%
- 1Y
- -99.8%
- 3Y
- -92.6%
- 5Y
- -79.7%
Loading 10-year price history...
PRPH Historical Performance
PRPH Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- +82.7%
- 2003 annual price return
- +86.3%
- 2004 annual price return
- -18.3%
- 2005 annual price return
- +64.7%
- 2006 annual price return
- -59.3%
- 2007 annual price return
- -16.2%
- 2008 annual price return
- -23.4%
- 2009 annual price return
- -52.8%
- 2010 annual price return
- -40.0%
- 2011 annual price return
- -5.0%
- 2012 annual price return
- +11.5%
- 2013 annual price return
- +15.0%
- 2014 annual price return
- -12.0%
- 2015 annual price return
- +5.6%
- 2016 annual price return
- +43.9%
- 2017 annual price return
- +6.9%
- 2018 annual price return
- +40.6%
- 2019 annual price return
- -39.4%
- 2020 annual price return
- +15.3%
- 2021 annual price return
- -32.1%
- 2022 annual price return
- +29.9%
- 2023 annual price return
- -52.8%
- 2024 annual price return
- -67.4%
- 2025 annual price return
- -94.9%
- 2026 annual price return
- -88.4%
PRPH Stock Price Trajectory (1994–2026)
As of September 24, 2026, ProPhase Labs, Inc. (PRPH) trades at $0.01, representing a -99.8% return over the past year. The stock has delivered a -97.6% total return over five years (-79.7% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $460.00 on October 14, 1997. From this peak, PRPH has corrected -100.0%, currently trading 95% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers QDEL (-62.3% 1Y), CLOV (+40.6% 1Y), and BNGO (+1.2% 1Y), PRPH has underperformed the peer group average. Compare PRPH vs QDEL →
PRPH Historical Price Data · from 1994
Rows 1–50 of 8,173| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-09-23 | 0.01 | 0.01 | 0.01 | 0.01 | 10K | -9.09% |
| 2026-09-22 | 0.01 | 0.01 | 0.01 | 0.01 | 51K | -6.60% |
| 2026-09-21 | 0.01 | 0.01 | 0.01 | 0.01 | 333K | -13.82% |
| 2026-09-18 | 0.01 | 0.02 | 0.01 | 0.01 | 43K | -16.89% |
| 2026-09-17 | 0.01 | 0.01 | 0.01 | 0.01 | 22K | +4.96% |
| 2026-09-16 | 0.02 | 0.02 | 0.01 | 0.01 | 12K | -6.00% |
| 2026-09-15 | 0.02 | 0.02 | 0.01 | 0.01 | 1K | -3.23% |
| 2026-09-14 | 0.01 | 0.02 | 0.01 | 0.02 | 144K | -22.50% |
| 2026-09-11 | 0.02 | 0.02 | 0.02 | 0.02 | 4 | +18.34% |
| 2026-09-10 | 0.02 | 0.02 | 0.02 | 0.02 | 254K | -15.50% |
| 2026-09-09 | 0.02 | 0.02 | 0.02 | 0.02 | 46 | +13.64% |
| 2026-09-08 | 0.02 | 0.02 | 0.02 | 0.02 | 3K | -12.00% |
| 2026-09-04 | 0.02 | 0.02 | 0.02 | 0.02 | 42K | +17.65% |
| 2026-09-03 | 0.02 | 0.02 | 0.02 | 0.02 | 211K | -15.84% |
| 2026-09-02 | 0.02 | 0.02 | 0.02 | 0.02 | 118K | -3.81% |
| 2026-09-01 | 0.02 | 0.02 | 0.02 | 0.02 | 15K | 0.00% |
| 2026-08-31 | 0.02 | 0.02 | 0.02 | 0.02 | 15K | -0.47% |
| 2026-08-28 | 0.02 | 0.02 | 0.02 | 0.02 | 34K | 0.00% |
| 2026-08-27 | 0.02 | 0.03 | 0.02 | 0.02 | 39K | -15.60% |
| 2026-08-26 | 0.02 | 0.03 | 0.02 | 0.03 | 117K | +18.48% |
| 2026-08-25 | 0.02 | 0.03 | 0.02 | 0.02 | 98K | -14.57% |
| 2026-08-24 | 0.02 | 0.03 | 0.02 | 0.02 | 46K | 0.00% |
| 2026-08-21 | 0.02 | 0.03 | 0.02 | 0.02 | 137K | -8.86% |
| 2026-08-20 | 0.03 | 0.03 | 0.03 | 0.03 | 165K | -6.87% |
| 2026-08-19 | 0.03 | 0.03 | 0.03 | 0.03 | 611K | -6.13% |
| 2026-08-18 | 0.03 | 0.03 | 0.03 | 0.03 | 257K | +3.33% |
| 2026-08-17 | 0.05 | 0.05 | 0.03 | 0.03 | 2.21M | -25.00% |
| 2026-08-14 | 0.04 | 0.04 | 0.04 | 0.04 | 24K | -0.25% |
| 2026-08-13 | 0.04 | 0.05 | 0.04 | 0.04 | 308K | -10.29% |
| 2026-08-12 | 0.04 | 0.05 | 0.04 | 0.04 | 64K | -9.88% |
| 2026-08-11 | 0.05 | 0.05 | 0.04 | 0.05 | 84K | -0.40% |
| 2026-08-10 | 0.05 | 0.05 | 0.04 | 0.05 | 69K | -0.20% |
| 2026-08-07 | 0.04 | 0.05 | 0.04 | 0.05 | 525K | +8.48% |
| 2026-08-06 | 0.03 | 0.05 | 0.03 | 0.05 | 140K | +5.02% |
| 2026-08-05 | 0.04 | 0.04 | 0.04 | 0.04 | 132K | -8.75% |
| 2026-08-04 | 0.05 | 0.05 | 0.03 | 0.05 | 19K | +15.66% |
| 2026-08-03 | 0.04 | 0.05 | 0.04 | 0.04 | 21K | -0.72% |
| 2026-07-31 | 0.04 | 0.06 | 0.04 | 0.04 | 219K | -16.40% |
| 2026-07-30 | 0.06 | 0.06 | 0.05 | 0.05 | 160K | -16.67% |
| 2026-07-29 | 0.06 | 0.06 | 0.06 | 0.06 | 12K | +2.39% |
| 2026-07-28 | 0.06 | 0.06 | 0.06 | 0.06 | 14K | -4.72% |
| 2026-07-27 | 0.07 | 0.07 | 0.06 | 0.06 | 104K | +4.95% |
| 2026-07-24 | 0.05 | 0.06 | 0.05 | 0.06 | 2K | +1.03% |
| 2026-07-23 | 0.06 | 0.06 | 0.06 | 0.06 | 4K | -3.33% |
| 2026-07-22 | 0.07 | 0.07 | 0.06 | 0.06 | 149K | -14.04% |
| 2026-07-21 | 0.06 | 0.07 | 0.06 | 0.07 | 40K | -0.29% |
| 2026-07-20 | 0.07 | 0.07 | 0.06 | 0.07 | 151K | +5.58% |
| 2026-07-17 | 0.06 | 0.07 | 0.06 | 0.07 | 25K | +2.00% |
| 2026-07-16 | 0.06 | 0.07 | 0.06 | 0.07 | 16K | +7.97% |
| 2026-07-15 | 0.07 | 0.07 | 0.06 | 0.06 | 202K | -10.01% |
PRPH 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.
PRPH — Frequently Asked Questions
Quick answers to the most common questions about buying PRPH stock.
How has PRPH stock performed recently?
PRPH declined -99.8% 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 PRPH's all-time high price?
ProPhase Labs, Inc. reached $460.00 on 1997-10-14. The 52-week high is $6.66. Current 1-year return of -99.8% places the stock further from historical peaks.
Where can I download PRPH historical price data?
This page provides PRPH daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 1994-2026, downloadable in CSV format.