Prophase Labs Inc (PRPH)

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Prophase Labs Inc Stock (PRPH) Price History

The historical daily chart and data for Prophase Labs Inc stock (PRPH), adjusted for splits and dividends, show that the latest closing stock price as of December 31, 1969, is $0.078.

Prophase Labs Inc all-time high stock price is $16.04, occurred on January 15, 2021.
The lowest Prophase Labs Inc stock price recorded was $0.07 on March 18, 2026. Since then, Prophase Labs Inc's stock price has risen over 11.43% to $0.078 now.
The 52-week high stock price for PRPH is $0.1199, representing a 53.72% increase from the current share price, occurred on May 18, 2026.
The 52-week low stock price for PRPH is $0.07, indicating a -10.26% decrease from the current share price, occurred on March 18, 2026.
The closing price of Prophase Labs Inc (PRPH) stock in the beginning of 2025 was $7.55. The stock closed the year at $9.63, a gain of over 27.55% for the year.

The table below shows more information about PRPH historical price data:

Daily

Weekly

Monthly

30D

60D

YTD

Date	High	Low	High - Low	Volume	% Change
Dec 31, 1969	$0.0806	$0.0712	$0.00935	271,949.0	+3.17%
Jun 22, 2026	$0.0847	$0.075	$0.00969	3,973.0	-24.40%

Prophase Labs Inc Stock (PRPH) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Prophase Labs Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of PRPH shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Prophase Labs Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.

Prophase Labs Inc Stock (PRPH) Price History 2026

Month	High	Low	High - Low	Volume	% Change
Dec, 1969	$0.0806	$0.0712	$0.00935	271,949.0	+3.17%
Jun, 2026	$0.1065	$0.075	$0.0315	6,312.0	-11.79%
May, 2026	$0.1199	$0.085	$0.0349	19,012.0	+19.03%
Mar, 2026	$0.105	$0.07	$0.035	1,543,640.0	+0.00%