ProPhase Labs, Inc. (PRPH) Stock Price History
Historical prices from 1994 to 2026
- 1M
- -54.4%
- 3M
- -88.7%
- YTD
- -98.6%
- 1Y
- -99.8%
- 3Y
- -93.9%
- 5Y
- -82.2%
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
- -97.2%
PRPH Stock Price Trajectory (1994–2026)
As of November 9, 2026, ProPhase Labs, Inc. (PRPH) trades at $0.01, representing a -99.8% return over the past year. The stock has delivered a -97.9% total return over five years (-82.2% 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 94% below its 200-day moving average, suggesting potential weakness.
When compared to Healthcare sector peers QDEL (-49.7% 1Y), CLOV (+84.7% 1Y), and BNGO (-28.6% 1Y), PRPH has underperformed the peer group average. Compare PRPH vs QDEL →
PRPH Historical Price Data · from 1994
Rows 1–50 of 8,205| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-11-06 | 0.01 | 0.01 | 0.01 | 0.01 | 148K | -8.77% |
| 2026-11-05 | 0.01 | 0.01 | 0.01 | 0.01 | 936K | -8.06% |
| 2026-11-04 | 0.01 | 0.01 | 0.01 | 0.01 | 11K | +5.08% |
| 2026-11-03 | 0.01 | 0.01 | 0.01 | 0.01 | 270K | -16.90% |
| 2026-11-02 | 0.01 | 0.01 | 0.01 | 0.01 | 2.03M | -7.79% |
| 2026-10-30 | 0.01 | 0.01 | 0.01 | 0.01 | 146K | -3.75% |
| 2026-10-29 | 0.01 | 0.01 | 0.01 | 0.01 | 22K | -11.11% |
| 2026-10-28 | 0.01 | 0.01 | 0.01 | 0.01 | 1.14M | +4.65% |
| 2026-10-27 | 0.01 | 0.01 | 0.01 | 0.01 | 4K | -4.44% |
| 2026-10-26 | 0.01 | 0.01 | 0.01 | 0.01 | 76K | -2.17% |
| 2026-10-23 | 0.01 | 0.01 | 0.01 | 0.01 | 200 | -3.16% |
| 2026-10-22 | 0.01 | 0.01 | 0.01 | 0.01 | 100K | +5.56% |
| 2026-10-21 | 0.01 | 0.01 | 0.01 | 0.01 | 365K | -4.26% |
| 2026-10-20 | 0.01 | 0.01 | 0.01 | 0.01 | 1.64M | +10.59% |
| 2026-10-19 | 0.01 | 0.01 | 0.01 | 0.01 | 1.23M | -6.59% |
| 2026-10-16 | 0.01 | 0.01 | 0.01 | 0.01 | 627K | -9.00% |
| 2026-10-15 | 0.01 | 0.01 | 0.01 | 0.01 | 196K | 0.00% |
| 2026-10-14 | 0.01 | 0.01 | 0.01 | 0.01 | 1.39M | +11.11% |
| 2026-10-13 | 0.01 | 0.01 | 0.01 | 0.01 | 383K | +1.12% |
| 2026-10-12 | 0.01 | 0.01 | 0.01 | 0.01 | 63K | -1.11% |
| 2026-10-09 | 0.01 | 0.01 | 0.01 | 0.01 | 391K | -10.00% |
| 2026-10-08 | 0.01 | 0.01 | 0.01 | 0.01 | 1.06M | -2.91% |
| 2026-10-07 | 0.01 | 0.01 | 0.01 | 0.01 | 18K | -9.65% |
| 2026-10-06 | 0.01 | 0.01 | 0.01 | 0.01 | 63K | +2.70% |
| 2026-10-05 | 0.01 | 0.01 | 0.01 | 0.01 | 1.15M | -29.75% |
| 2026-10-02 | 0.01 | 0.02 | 0.01 | 0.02 | 1.40M | +31.67% |
| 2026-10-01 | 0.01 | 0.01 | 0.01 | 0.01 | 46K | -0.83% |
| 2026-09-30 | 0.01 | 0.01 | 0.01 | 0.01 | 321K | +19.80% |
| 2026-09-29 | 0.01 | 0.01 | 0.01 | 0.01 | 197K | -8.18% |
| 2026-09-28 | 0.01 | 0.01 | 0.01 | 0.01 | 358K | 0.00% |
| 2026-09-25 | 0.01 | 0.01 | 0.01 | 0.01 | 220K | +13.40% |
| 2026-09-24 | 0.01 | 0.01 | 0.01 | 0.01 | 218K | -22.40% |
| 2026-09-23 | 0.01 | 0.01 | 0.01 | 0.01 | 15K | +26.26% |
| 2026-09-22 | 0.01 | 0.01 | 0.01 | 0.01 | 113K | -6.60% |
| 2026-09-21 | 0.01 | 0.01 | 0.01 | 0.01 | 719K | -13.82% |
| 2026-09-18 | 0.01 | 0.02 | 0.01 | 0.01 | 105K | -16.89% |
| 2026-09-17 | 0.01 | 0.01 | 0.01 | 0.01 | 49K | +4.96% |
| 2026-09-16 | 0.02 | 0.02 | 0.01 | 0.01 | 46K | -6.00% |
| 2026-09-15 | 0.02 | 0.02 | 0.01 | 0.01 | 1K | -1.96% |
| 2026-09-14 | 0.01 | 0.02 | 0.01 | 0.02 | 289K | -23.50% |
| 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 | 459K | -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 | 111K | 0.00% |
| 2026-09-03 | 0.02 | 0.02 | 0.02 | 0.02 | 428K | -0.99% |
| 2026-09-02 | 0.02 | 0.02 | 0.02 | 0.02 | 232K | -3.81% |
| 2026-09-01 | 0.02 | 0.02 | 0.02 | 0.02 | 15K | -0.47% |
| 2026-08-31 | 0.02 | 0.02 | 0.02 | 0.02 | 71K | -4.52% |
| 2026-08-28 | 0.02 | 0.02 | 0.02 | 0.02 | 64K | -4.33% |
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 -82.2%. 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 $3.00. 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.