Research Frontiers Incorporated (REFR) NASDAQ

Currency In USD

REFR Historical Return

If you invested $1000 in Research Frontiers Incorporated (REFR) 10 years ago, it would be worth $153.43 as of July 13, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $238.44, while $1000 invested 1 year ago would be worth $344.25. This corresponds to total returns of -84.66%, -76.16%, -65.58%, respectively, with annualized returns of -17.08%, -24.92%, -65.58%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

REFR Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
July 10, 2026	0.55	0.55	0.55	0.59	0.53	58,346
July 09, 2026	0.53	0.53	0.53	0.53	0.5	119,278
July 08, 2026	0.53	0.54	0.54	0.55	0.53	25,883
July 07, 2026	0.55	0.54	0.54	0.56	0.53	30,389
July 06, 2026	0.57	0.54	0.54	0.57	0.52	50,478
July 02, 2026	0.54	0.55	0.55	0.55	0.54	54,506
July 01, 2026	0.52	0.53	0.53	0.59	0.5	86,122
June 30, 2026	0.55	0.52	0.52	0.59	0.52	170,984
June 29, 2026	0.54	0.55	0.55	0.55	0.51	109,887
June 26, 2026	0.59	0.48	0.48	0.59	0.48	134,326
June 25, 2026	0.6	0.62	0.62	0.65	0.55	73,545
June 24, 2026	0.65	0.62	0.62	0.65	0.59	45,926
June 23, 2026	0.62	0.61	0.61	0.63	0.61	10,396
June 22, 2026	0.6	0.61	0.61	0.63	0.6	41,771
June 18, 2026	0.64	0.6	0.6	0.66	0.6	65,341
June 17, 2026	0.68	0.64	0.64	0.7	0.64	15,851
June 16, 2026	0.64	0.67	0.67	0.71	0.64	90,304
June 15, 2026	0.7	0.65	0.65	0.75	0.65	67,663
June 12, 2026	0.75	0.71	0.71	0.75	0.71	23,972
June 11, 2026	0.73	0.72	0.72	0.75	0.72	15,307
June 10, 2026	0.75	0.73	0.73	0.78	0.73	64,635
June 09, 2026	0.73	0.73	0.73	0.81	0.73	41,380
June 08, 2026	0.74	0.73	0.73	0.76	0.72	24,613
June 05, 2026	0.75	0.74	0.74	0.76	0.72	30,344
June 04, 2026	0.77	0.75	0.75	0.78	0.75	13,700
June 03, 2026	0.75	0.76	0.76	0.79	0.75	11,251
June 02, 2026	0.75	0.76	0.76	0.79	0.75	9,373
June 01, 2026	0.82	0.77	0.77	0.82	0.75	18,810
May 29, 2026	0.77	0.77	0.77	0.77	0.76	22,102
May 28, 2026	0.75	0.76	0.76	0.77	0.74	53,368
May 27, 2026	0.75	0.75	0.75	0.75	0.74	10,131
May 26, 2026	0.74	0.76	0.76	0.79	0.74	26,596
May 22, 2026	0.76	0.75	0.75	0.76	0.74	8,849
May 21, 2026	0.75	0.74	0.74	0.79	0.73	16,311
May 20, 2026	0.77	0.75	0.75	0.8	0.73	35,794
May 19, 2026	0.82	0.77	0.77	0.82	0.76	16,947
May 18, 2026	0.79	0.79	0.79	0.8	0.78	12,977
May 15, 2026	0.81	0.8	0.8	0.81	0.78	19,603
May 14, 2026	0.78	0.81	0.81	0.83	0.78	14,290
May 13, 2026	0.81	0.79	0.79	0.86	0.79	67,033
May 12, 2026	0.79	0.78	0.78	0.79	0.76	27,592
May 11, 2026	0.9	0.76	0.76	0.9	0.76	80,186
May 08, 2026	0.89	0.75	0.75	0.89	0.75	74,901
May 07, 2026	0.87	0.83	0.83	0.99	0.83	90,668
May 06, 2026	0.99	0.88	0.88	0.99	0.88	27,534
May 05, 2026	0.87	0.87	0.87	0.95	0.86	28,812
May 04, 2026	0.88	0.87	0.87	0.94	0.83	95,637
May 01, 2026	0.92	0.88	0.88	0.92	0.88	57,845
April 30, 2026	0.95	0.92	0.92	0.96	0.91	57,296
April 29, 2026	0.93	0.94	0.94	0.95	0.93	2,471
April 28, 2026	0.93	0.94	0.94	0.98	0.93	25,242
April 27, 2026	0.99	0.95	0.95	0.99	0.94	8,342
April 24, 2026	1.01	0.96	0.96	1.02	0.93	27,261
April 23, 2026	0.99	1	1	1.02	0.99	10,856
April 22, 2026	0.97	0.97	0.97	1.02	0.97	6,618
April 21, 2026	1	0.99	0.99	1.02	0.98	37,680
April 20, 2026	0.93	1	1	1	0.93	23,447
April 17, 2026	0.95	0.93	0.93	0.95	0.93	4,903
April 16, 2026	0.91	0.94	0.94	0.95	0.91	17,254
April 15, 2026	1.01	0.91	0.91	1.01	0.91	39,990