Research Frontiers Incorporated (REFR) Historical Prices & Data

Apple Inc.‪$ 336.13‬-0.87‪-0.26%‬Alphabet Inc. (google)‪$ 349.54‬2.21‪+0.64%‬Microsoft Corp.‪$ 493.78‬-3.97‪-0.80%‬Tesla, Inc.‪$ 364.27‬-1.93‪-0.53%‬Bitcoin‪$ 80,531.00‬-718.99‪-0.88%‬ETH/USD‪$ 2,579.39‬-53.30‪-2.02%‬Gold‪$ 4,377.25‬35.42‪+0.82%‬Silver‪$ 66.24‬1.00‪+1.53%‬Crude Oil‪$ 95.24‬-1.13‪-1.18%‬Natural Gaz‪$ 2.90‬0.04‪+1.24%‬Al Rajhi Company for Cooperative Insurance‪SAR 54.00‬-1.10‪-2.00%‬SpaceX‪$ 152.71‬-2.10‪-1.36%‬

Apple Inc.‪$ 336.13‬-0.87‪-0.26%‬Alphabet Inc. (google)‪$ 349.54‬2.21‪+0.64%‬Microsoft Corp.‪$ 493.78‬-3.97‪-0.80%‬Tesla, Inc.‪$ 364.27‬-1.93‪-0.53%‬Bitcoin‪$ 80,531.00‬-718.99‪-0.88%‬ETH/USD‪$ 2,579.39‬-53.30‪-2.02%‬Gold‪$ 4,377.25‬35.42‪+0.82%‬Silver‪$ 66.24‬1.00‪+1.53%‬Crude Oil‪$ 95.24‬-1.13‪-1.18%‬Natural Gaz‪$ 2.90‬0.04‪+1.24%‬Al Rajhi Company for Cooperative Insurance‪SAR 54.00‬-1.10‪-2.00%‬SpaceX‪$ 152.71‬-2.10‪-1.36%‬

NASDAQ

Currency in USD

0.6500

+0.26 (+66.67%)

Closed

Sep 18, 2026

Day's Range

0.3600

0.9400

52 wk Range

0.3400

2.70

Historical Data

Time	Open	High	Low	Close	Volume
Jun 22, 2026	0.60	0.63	0.60	0.61	41.80K
Jun 23, 2026	0.62	0.63	0.61	0.61	10.40K
Jun 24, 2026	0.64	0.64	0.58	0.62	46.20K
Jun 25, 2026	0.60	0.64	0.55	0.62	73.60K
Jun 26, 2026	0.58	0.58	0.47	0.47	135K
Jun 29, 2026	0.54	0.55	0.50	0.55	111.20K
Jun 30, 2026	0.55	0.58	0.51	0.51	171.40K
Jul 1, 2026	0.51	0.58	0.50	0.52	86.10K
Jul 2, 2026	0.57	0.57	0.50	0.55	54.60K
Jul 6, 2026	0.56	0.56	0.51	0.54	50.50K

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The information on this page is provided for general informational purposes only and is not investment advice.

Market data provided by Twelve Data. Charting by TradingView.

Last updated: Sep 18, 2026, 01:30 PM

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