Other US listings · PRPH · stock
ProPhase Labs, Inc. (PRPH) stock price history
Every Other US listings trading session of ProPhase Labs, Inc. from Apr 4, 1994 to Jul 17, 2026: 7,691 daily bars, adjusted for splits and dividends, with minute bars arriving as capture begins. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
PRPH adjusted close, 1994 to 2026
- $147.00
- All time high, 2022
- $6.70
- 52 week high, $0.0600 low
- 7,691
- Daily sessions since 1994
Last updated Jul 17, 2026, the last stored session. Refreshes after each trading day. Full 1994 to 2026 series and minute bars.
PRPH key facts
- ProPhase Labs, Inc. (PRPH) closed at $0.0700 on Jul 17, 2026 on Other US listings.
- PRPH's all time high close is $147.00, set on Jul 11, 2022; its all time low close is $0.0600 on Jul 15, 2026.
- PRPH's 52 week range is $0.0600 to $6.70.
- PRPH returned -98.1% over the year to Jul 17, 2026 and -99.9% over five years.
- Over ten years PRPH returned -99%, -37.0% a year compounded.
- PRPH's deepest drawdown was -100.0% from Jul 11, 2022 to Jul 15, 2026.
- DataCedar holds 7,691 daily sessions of PRPH history from Apr 4, 1994, adjusted for splits and dividends, served by the API under a key.
PRPH price chart, 1994 to 2026
PRPH returns
Price return from the last close on or before the window start to Jul 17, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -12.5% |
| 3 months | -30.0% |
| 6 months | -56.2% |
| Year to date | -84.4% |
| 1 year | -98.1% |
| 3 years | -99.9% |
| 5 years | -99.9% |
| 10 years | -99.0% |
| Since Apr 4, 1994 | -89.5% |
| Compound annual growth, 32.3 years | -6.7% |
PRPH records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $147.00 on Jul 11, 2022
- All time low close
- $0.0600 on Jul 15, 2026
- 52 week high
- $6.70 on Oct 7, 2025
- 52 week low
- $0.0600 on Jul 15, 2026
- Deepest drawdown
- -100.0% from Jul 11, 2022 to Jul 15, 2026, not yet recovered
- Best single session
- +700.0% on Jan 11, 1996
- Worst single session
- -50.0% on Jun 8, 1994
- Volatility, 1 year annualised
- 172.7%
- Sessions closing higher, 1 year
- 30%
- Best calendar year
- 1996, +13,850%
- Worst calendar year
- 2025, -94%
PRPH price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 1994 starts on Apr 4, 1994; 2026 runs to Jul 17, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $0.4600 | $0.4700 | $0.0600 | $0.0700 | -84.4% | 30.3M | 135 |
| 2025 | $8.00 | $9.30 | $0.4100 | $0.4500 | -94.1% | 177.9M | 250 |
| 2024 | $45.00 | $74.80 | $6.10 | $7.60 | -83.2% | 2M | 252 |
| 2023 | $95.30 | $99.40 | $40.50 | $45.20 | -53.1% | 1.2M | 250 |
| 2022 | $63.90 | $152.50 | $59.80 | $96.30 | +45.9% | 2.2M | 251 |
| 2021 | $79.31 | $140.73 | $38.69 | $66.02 | -18.0% | 5.5M | 252 |
| 2020 | $16.85 | $103.71 | $10.53 | $80.54 | +366.0% | 2.4M | 250 |
| 2019 | $23.05 | $28.81 | $12.68 | $17.28 | -23.8% | 150.8K | 237 |
| 2018 | $11.63 | $35.28 | $11.63 | $22.69 | +96.8% | 411.3K | 249 |
| 2017 | $10.68 | $13.02 | $9.46 | $11.53 | +8.5% | 489.4K | 228 |
| 2016 | $7.60 | $11.90 | $5.74 | $10.63 | +33.3% | 289.4K | 233 |
| 2015 | $7.44 | $9.30 | $5.58 | $7.97 | +2.7% | 706.2K | 240 |
| 2014 | $8.55 | $15.83 | $6.43 | $7.76 | -9.3% | 1.4M | 243 |
| 2013 | $7.65 | $12.27 | $7.17 | $8.55 | +18.4% | 320.8K | 240 |
| 2012 | $6.16 | $9.03 | $2.82 | $7.23 | +18.3% | 418.4K | 230 |
| 2011 | $6.38 | $9.19 | $3.40 | $6.11 | -4.2% | 421.3K | 244 |
| 2010 | $10.73 | $12.80 | $2.60 | $6.38 | -38.8% | 183.8K | 224 |
| 2009 | $21.78 | $35.59 | $7.70 | $10.41 | -51.0% | 278.7K | 227 |
| 2008 | $24.33 | $31.08 | $15.14 | $21.25 | -16.1% | 254.7K | 236 |
| 2007 | $29.91 | $42.45 | $15.51 | $25.34 | -16.2% | 399.6K | 245 |
| 2006 | $73.42 | $84.74 | $28.21 | $30.23 | -58.8% | 829.7K | 244 |
| 2005 | $44.36 | $90.00 | $38.52 | $73.42 | +63.9% | 549.4K | 246 |
| 2004 | $54.51 | $57.85 | $36.76 | $44.79 | -20.8% | 325.1K | 245 |
| 2003 | $30.55 | $59.50 | $25.23 | $56.53 | +93.5% | 465.6K | 249 |
| 2002 | $12.17 | $46.96 | $10.78 | $29.22 | +139.1% | 1.6M | 249 |
| 2001 | $4.73 | $12.70 | $3.98 | $12.22 | +183.1% | 480.6K | 231 |
| 2000 | $9.05 | $17.27 | $3.49 | $4.32 | -49.0% | 875.9K | 234 |
| 1999 | $29.55 | $36.52 | $8.30 | $8.47 | -71.2% | 1.8M | 240 |
| 1998 | $77.03 | $87.33 | $27.89 | $29.39 | -61.7% | 3.8M | 249 |
| 1997 | $45.99 | $122.19 | $40.84 | $76.70 | +65.6% | 5.9M | 242 |
| 1996 | $0.3320 | $57.11 | $0.3320 | $46.32 | +13,850% | 3.4M | 224 |
| 1995 | $0.4150 | $0.5811 | $0.1660 | $0.3320 | -20.0% | 864.3K | 183 |
| 1994 | $0.6641 | $0.6641 | $0.3320 | $0.4150 | n/a | 316.6K | 139 |
PRPH monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| July 2026 | $0.0700 | -22.2% |
| June 2026 | $0.0900 | -10.0% |
| May 2026 | $0.1000 | -23.1% |
| April 2026 | $0.1300 | +44.4% |
| March 2026 | $0.0900 | -40.0% |
| February 2026 | $0.1500 | -6.2% |
| January 2026 | $0.1600 | -64.4% |
| December 2025 | $0.4500 | -78.6% |
| November 2025 | $2.10 | -41.7% |
| October 2025 | $3.60 | -21.7% |
| September 2025 | $4.60 | +35.3% |
| August 2025 | $3.40 | -5.6% |
About the PRPH data
Daily bars. 7,691 sessions from Apr 4, 1994 to Jul 17, 2026, one row per Other US listings trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Not stored for this listing yet. Minute history is captured forward from the day collection begins for a symbol and is never backfilled.
Time and currency. Session dates are Other US listings trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Apr 4, 1994, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/other%3APRPH/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Other US listings
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Common questions
PRPH share price history
