Research Frontiers Incorporated (REFR) Historical Stock Prices

Analyze Research Frontiers Incorporated (REFR) historical stock prices with comprehensive OHLC data, adjusted close prices, and daily trading volume. Access interactive price charts and detailed historical price data across multiple timeframes including daily, weekly, monthly, and yearly intervals for complete price history analysis.

Research Frontiers Incorporated (REFR) Interactive Price Chart

Interactive historical price chart showing Research Frontiers Incorporated stock price movements and trends across multiple time periods.

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REFR Historical Price Data Table

Complete historical stock price data with OHLC prices, adjusted close, and daily trading volume. Filter by time interval and date range for detailed price history analysis.

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Active filters: 6 Months · Daily126 records

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REFR historical price data table with daily, weekly, monthly, quarterly, and yearly trading intervals. Track Open, High, Low, Close, Adjusted Close prices, and trading volume to analyze price trends, technical patterns, and market activity for comprehensive price history analysis.
Date	Open	High	Low	Close	Adj Close	Volume
Oct 26, 2026	0.45	0.46	0.45	0.45	0.45	18.45K
Oct 23, 2026	0.43	0.48	0.41	0.46	0.46	50.34K
Oct 22, 2026	0.49	0.57	0.44	0.45	0.45	50.84K
Oct 21, 2026	0.50	0.53	0.47	0.47	0.47	34.67K
Oct 20, 2026	0.53	0.55	0.50	0.50	0.50	52.01K
Oct 19, 2026	0.55	0.59	0.50	0.52	0.52	149.57K
Oct 16, 2026	0.67	0.68	0.56	0.56	0.56	133.23K
Oct 15, 2026	0.63	0.65	0.60	0.64	0.64	184.53K
Oct 14, 2026	0.59	0.64	0.59	0.63	0.63	127.32K
Oct 13, 2026	0.59	0.64	0.56	0.59	0.59	136.35K
Oct 12, 2026	0.58	0.59	0.54	0.57	0.57	140.21K
Oct 9, 2026	0.61	0.62	0.56	0.59	0.59	162.57K
Oct 8, 2026	0.68	0.68	0.59	0.62	0.62	107.39K
Oct 7, 2026	0.68	0.70	0.68	0.68	0.68	100.38K
Oct 6, 2026	0.77	0.77	0.70	0.72	0.72	314.58K
Oct 5, 2026	0.73	0.75	0.67	0.73	0.73	196.92K
Oct 2, 2026	0.69	0.73	0.68	0.73	0.73	82.85K
Oct 1, 2026	0.71	0.73	0.66	0.69	0.69	162.37K
Sep 30, 2026	0.69	0.73	0.67	0.73	0.73	117.08K
Sep 29, 2026	0.74	0.77	0.67	0.70	0.70	204.40K
Sep 28, 2026	0.79	0.79	0.71	0.77	0.77	132.83K
Sep 25, 2026	0.71	0.85	0.68	0.79	0.79	383.70K
Sep 24, 2026	0.71	0.81	0.65	0.74	0.74	618.32K
Sep 23, 2026	0.76	0.76	0.66	0.71	0.71	229.20K
Sep 22, 2026	0.74	0.81	0.61	0.78	0.78	890.40K
Sep 21, 2026	0.48	0.78	0.46	0.76	0.76	5.53M
Sep 18, 2026	0.39	0.94	0.36	0.65	0.65	92.10M
Sep 17, 2026	0.39	0.41	0.37	0.39	0.39	48.94K
Sep 16, 2026	0.37	0.41	0.34	0.38	0.38	202.86K
Sep 15, 2026	0.37	0.39	0.35	0.36	0.36	105.97K
Sep 14, 2026	0.38	0.42	0.37	0.38	0.38	98.72K
Sep 11, 2026	0.38	0.42	0.37	0.39	0.39	52.38K
Sep 10, 2026	0.40	0.40	0.39	0.39	0.39	95.59K
Sep 9, 2026	0.39	0.40	0.38	0.39	0.39	61.15K
Sep 8, 2026	0.41	0.42	0.37	0.39	0.39	242.82K
Sep 4, 2026	0.41	0.43	0.40	0.41	0.41	142.73K
Sep 3, 2026	0.40	0.43	0.40	0.41	0.41	63.03K
Sep 2, 2026	0.45	0.46	0.40	0.40	0.40	102.57K
Sep 1, 2026	0.47	0.47	0.42	0.44	0.44	408.75K
Aug 31, 2026	0.47	0.47	0.45	0.47	0.47	61.66K
Aug 28, 2026	0.49	0.49	0.45	0.46	0.46	174.51K
Aug 27, 2026	0.51	0.53	0.47	0.48	0.48	352.18K
Aug 26, 2026	0.48	0.49	0.46	0.48	0.48	363.94K
Aug 25, 2026	0.49	0.51	0.46	0.48	0.48	182.11K
Aug 24, 2026	0.44	0.49	0.43	0.47	0.47	94.77K
Aug 21, 2026	0.46	0.47	0.43	0.45	0.45	66.67K
Aug 20, 2026	0.46	0.49	0.44	0.45	0.45	128.86K
Aug 19, 2026	0.42	0.46	0.40	0.44	0.44	223.13K
Aug 18, 2026	0.44	0.47	0.42	0.42	0.42	35.38K
Aug 17, 2026	0.42	0.48	0.42	0.43	0.43	64.77K

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Source: Daily price history (open, high, low, close and volume). Data as of Oct 26, 2026. Data sources and methodology

Understanding Historical Stock Price Data & OHLC Metrics

Open Price: The price at which the stock opened for trading at the start of the trading session.
High Price: The highest price at which the stock traded during the trading session.
Low Price: The lowest price at which the stock traded during the trading session.
Close Price: The final price when trading closed for the session.
Adjusted Close Price: The closing price adjusted for corporate actions such as dividends, stock splits, and rights offerings. Used for accurate long-term historical price analysis and return calculations.
Volume: The total number of shares traded during the session, indicating trading activity and liquidity.

Research Frontiers Incorporated (REFR) Interactive Price Chart

REFR Historical Price Data Table

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Understanding Historical Stock Price Data & OHLC Metrics