ProPhase Labs, Inc. (PRPH) Stock Chart
PRPH price chart
Daily prices adjusted for splits and dividends. 1D and 5D show delayed intraday prices. Markers: E earnings, D dividend, S split.
Technical snapshot
Key levels & statistics
PRPH performance vs the market
Total return, dividends reinvestedPRPH monthly returns
PRPH historical prices
PRPH dividends & splits
About the PRPH chart
ProPhase Labs (PRPH) closed at $0.01 on October 21, 2026, down 98.0% so far this year. The stock is trading 90.5% below its 200-day moving average of $0.09, which technical analysts usually read as a long-term downtrend. Over the past year PRPH returned −99.8% including dividends, behind the S&P 500 (+16.4%).
This page charts the full trading history of ProPhase Labs, Inc. stock. Daily prices come from EODHD and are adjusted for stock splits and dividends, so returns over long periods are comparable. For the latest quote, company profile, earnings and news, see the PRPH stock overview.
PRPH chart FAQ
What is ProPhase Labs's all-time high stock price?
The highest closing price for PRPH was $221.88 on October 7, 1997 (adjusted for stock splits). As of the October 21, 2026 close it traded 100.0% below that level.
Is PRPH above its 200-day moving average?
No. On October 21, 2026 PRPH closed at $0.01, 90.5% below its 200-day simple moving average of $0.09. The 50-day average was $0.02.
How has PRPH stock performed compared with the S&P 500?
Including reinvested dividends, PRPH returned −99.8% over the past year, compared with +16.4% for the S&P 500 (SPY). Over five years the figures were −100.0% and +82.2%.
Does ProPhase Labs pay a dividend?
ProPhase Labs has not paid a dividend in the past 12 months.
Has PRPH stock ever split?
PRPH has split its stock 2 times: 2:1 (January 23, 1997), 1:10 (December 22, 2025). Prices on this chart are adjusted for all splits.
How do I read the PRPH chart?
Pick a time range above the chart and choose candlesticks, a line or an area chart. Moving averages, Bollinger Bands, volume, RSI and MACD can be switched on with the indicator buttons, and "Compare" plots PRPH against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.