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 $193.91 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $205.11, while $1000 invested 1 year ago would be worth $279.7. This corresponds to total returns of -80.61%, -79.49%, -72.03%, respectively, with annualized returns of -15.13%, -27.14%, -72.03%.

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
October 21, 2026	0.5	0.47	0.47	0.53	0.47	34,299
October 20, 2026	0.53	0.5	0.5	0.55	0.5	51,902
October 19, 2026	0.54	0.52	0.52	0.59	0.5	148,577
October 16, 2026	0.67	0.56	0.56	0.68	0.56	132,486
October 15, 2026	0.63	0.64	0.64	0.65	0.6	184,504
October 14, 2026	0.59	0.63	0.63	0.64	0.59	128,419
October 13, 2026	0.59	0.59	0.59	0.64	0.56	136,309
October 12, 2026	0.58	0.57	0.57	0.59	0.54	138,898
October 09, 2026	0.61	0.59	0.59	0.62	0.56	162,524
October 08, 2026	0.68	0.62	0.62	0.68	0.59	99,295
October 07, 2026	0.68	0.68	0.68	0.69	0.68	100,352
October 06, 2026	0.77	0.72	0.72	0.77	0.7	314,579
October 05, 2026	0.71	0.73	0.73	0.74	0.7	195,077
October 02, 2026	0.69	0.73	0.73	0.73	0.68	82,428
October 01, 2026	0.71	0.69	0.69	0.73	0.66	162,365
September 30, 2026	0.68	0.73	0.73	0.73	0.67	117,024
September 29, 2026	0.74	0.7	0.7	0.77	0.67	202,418
September 28, 2026	0.77	0.77	0.77	0.79	0.73	132,517
September 25, 2026	0.71	0.79	0.79	0.85	0.68	382,988
September 24, 2026	0.71	0.74	0.74	0.81	0.65	614,383
September 23, 2026	0.76	0.71	0.71	0.76	0.66	225,190
September 22, 2026	0.74	0.78	0.78	0.78	0.62	871,272
September 21, 2026	0.48	0.76	0.76	0.78	0.46	5.21M
September 18, 2026	0.39	0.65	0.65	0.94	0.36	90.69M
September 17, 2026	0.39	0.39	0.39	0.41	0.37	49,040
September 16, 2026	0.37	0.38	0.38	0.41	0.34	202,571
September 15, 2026	0.37	0.36	0.36	0.39	0.35	105,974
September 11, 2026	0.38	0.39	0.39	0.42	0.37	51,952
September 10, 2026	0.39	0.39	0.39	0.4	0.39	95,234
September 09, 2026	0.39	0.39	0.39	0.4	0.38	60,134
September 08, 2026	0.41	0.39	0.39	0.42	0.37	242,531
September 04, 2026	0.41	0.41	0.41	0.43	0.4	142,693
September 03, 2026	0.4	0.41	0.41	0.43	0.4	0
September 02, 2026	0.45	0.4	0.4	0.46	0.4	101,949
September 01, 2026	0.47	0.44	0.44	0.47	0.43	391,925
August 31, 2026	0.47	0.47	0.47	0.47	0.45	61,352
August 28, 2026	0.49	0.46	0.46	0.49	0.45	150,891
August 27, 2026	0.52	0.49	0.49	0.53	0.48	342,914
August 26, 2026	0.48	0.48	0.48	0.5	0.46	101,259
August 25, 2026	0.49	0.48	0.48	0.51	0.46	0
August 24, 2026	0.44	0.47	0.47	0.49	0.43	0
August 21, 2026	0.46	0.45	0.45	0.47	0.43	65,717
August 20, 2026	0.46	0.45	0.45	0.49	0.44	128,650
August 19, 2026	0.42	0.44	0.44	0.46	0.4	0
August 18, 2026	0.44	0.42	0.42	0.45	0.42	35,374
August 17, 2026	0.43	0.43	0.43	0.48	0.42	64,771
August 14, 2026	0.45	0.44	0.44	0.45	0.43	13,466
August 13, 2026	0.48	0.43	0.43	0.48	0.43	0
August 12, 2026	0.49	0.48	0.48	0.49	0.47	0
August 11, 2026	0.5	0.49	0.49	0.51	0.49	40,082
August 10, 2026	0.49	0.49	0.49	0.5	0.47	161,757
August 07, 2026	0.5	0.49	0.49	0.5	0.47	0
August 06, 2026	0.46	0.47	0.47	0.5	0.45	230,081
August 05, 2026	0.47	0.47	0.47	0.49	0.45	18,774
August 04, 2026	0.47	0.47	0.47	0.49	0.46	62,492
August 03, 2026	0.41	0.45	0.45	0.53	0.41	232,190
July 31, 2026	0.39	0.4	0.4	0.45	0.38	78,596
July 30, 2026	0.36	0.39	0.39	0.42	0.36	80,230
July 29, 2026	0.44	0.39	0.39	0.46	0.35	118,280
July 28, 2026	0.41	0.44	0.44	0.48	0.41	97,189