NASDAQ : REFR

Research Frontiers Incorporated — Price history

Technology · Electronic Components · United States

Last price 0.3501 USD (Oct 30, 2026, 4:00 PM EDT) · Market cap 12.21M

Overview · Financial statements · Key statistics · Dividends · Company profile · Price history · Reports

Price history

Research Frontiers Incorporated (REFR) closed at 0.39 USD on 2026-11-02. Daily open, high, low, close and volume for recent sessions:

Date	Open	High	Low	Close	Volume	Change
2026-11-02	0.362	0.3998	0.362	0.39	50,010	+11.40%
2026-10-30	0.3876	0.4	0.341	0.3501	200,288	-7.89%
2026-10-29	0.443	0.45	0.38	0.3801	126,509	-13.63%
2026-10-28	0.42	0.4441	0.42	0.4401	62,820	+4.54%
2026-10-27	0.4389	0.4399	0.4166	0.421	16,567	-5.86%
2026-10-26	0.425	0.4741	0.425	0.4472	18,454	-2.99%
2026-10-23	0.4298	0.4755	0.4085	0.461	50,335	+2.90%
2026-10-22	0.4879	0.5697	0.44	0.448	50,842	-5.60%
2026-10-21	0.5	0.53	0.4746	0.4746	34,670	-5.55%
2026-10-20	0.53	0.5548	0.5023	0.5025	52,005	-3.46%
2026-10-19	0.55	0.5868	0.5001	0.5205	149,566	-7.07%
2026-10-16	0.6701	0.6846	0.5589	0.5601	133,232	-12.43%
2026-10-15	0.628	0.6548	0.601	0.6396	184,530	+1.54%
2026-10-14	0.5919	0.64	0.5919	0.6299	127,323	+6.42%
2026-10-13	0.59	0.6397	0.5563	0.5919	136,351	+3.93%
2026-10-12	0.577	0.5888	0.5416	0.5695	140,212	-4.01%
2026-10-09	0.607	0.62	0.5598	0.5933	162,567	-4.68%
2026-10-08	0.676	0.676	0.59	0.6224	107,389	-8.95%
2026-10-07	0.68	0.6998	0.6796	0.6836	100,377	-4.59%
2026-10-06	0.77	0.77	0.6974	0.7165	314,585	-1.61%
2026-10-05	0.73	0.75	0.6701	0.7282	196,922	-0.05%
2026-10-02	0.6887	0.73	0.6775	0.7286	82,849	+4.85%
2026-10-01	0.7127	0.7347	0.66	0.6949	162,366	-5.42%
2026-09-30	0.688	0.7347	0.674	0.7347	117,085	+5.15%
2026-09-29	0.7365	0.7745	0.665	0.6987	204,395	-9.78%
2026-09-28	0.7914	0.7914	0.7116	0.7744	132,832	-2.15%
2026-09-25	0.71	0.8456	0.68	0.7914	383,703	+6.84%
2026-09-24	0.7088	0.8139	0.654	0.7407	618,324	+3.77%
2026-09-23	0.7602	0.7602	0.658	0.7138	229,198	-8.42%
2026-09-22	0.74	0.8074	0.6136	0.7794	890,405	+2.69%
2026-09-21	0.483	0.7805	0.4592	0.759	5,530,055	+16.54%
2026-09-18	0.387	0.9399	0.3617	0.6513	92,095,952	+68.49%
2026-09-17	0.385	0.4099	0.37	0.3866	48,935	+1.24%
2026-09-16	0.372	0.412	0.337	0.3818	202,857	+6.00%
2026-09-15	0.372	0.3925	0.3505	0.3602	105,974	-5.46%
2026-09-14	0.381	0.419	0.371	0.381	98,725	-2.06%
2026-09-11	0.3808	0.4186	0.3707	0.389	52,380	+1.04%
2026-09-10	0.399	0.3999	0.385	0.385	95,593	-1.86%
2026-09-09	0.385	0.3988	0.381	0.3923	61,150	-0.56%
2026-09-08	0.41	0.419	0.371	0.3945	242,824	-4.87%
2026-09-04	0.413	0.4314	0.4	0.4147	142,731	+1.12%
2026-09-03	0.4	0.4277	0.4	0.4101	63,031	+1.96%
2026-09-02	0.45	0.4589	0.4017	0.4022	102,573	-9.41%
2026-09-01	0.4656	0.4696	0.425	0.444	408,753	-4.95%
2026-08-31	0.468	0.4695	0.4516	0.4671	61,662	+1.08%
2026-08-28	0.4853	0.4894	0.45	0.4621	174,514	-4.72%
2026-08-27	0.51	0.53	0.4704	0.485	352,178	+1.04%
2026-08-26	0.48	0.495	0.4606	0.48	363,942	+0.44%
2026-08-25	0.4897	0.5055	0.4578	0.4779	182,107	+2.33%
2026-08-24	0.4446	0.49	0.4302	0.467	94,772	+4.92%
2026-08-21	0.459	0.4664	0.43	0.4451	66,667	-1.09%
2026-08-20	0.4555	0.4913	0.4401	0.45	128,860	+2.23%
2026-08-19	0.4182	0.4609	0.4006	0.4402	223,134	+4.81%
2026-08-18	0.439	0.4663	0.419	0.42	35,377	-2.44%
2026-08-17	0.425	0.4789	0.4191	0.4305	64,770	-2.16%
2026-08-14	0.4513	0.4513	0.4303	0.44	11,570	+1.20%
2026-08-13	0.48	0.48	0.4348	0.4348	78,469	-9.68%
2026-08-12	0.49	0.49	0.4706	0.4814	50,862	-2.37%
2026-08-11	0.499	0.5055	0.4867	0.4931	40,198	+0.63%
2026-08-10	0.4896	0.5	0.4702	0.49	161,757	+0.72%
2026-08-07	0.5	0.5039	0.45	0.4865	94,171	+4.06%
2026-08-06	0.4601	0.5	0.4474	0.4675	230,082	-1.37%
2026-08-05	0.47	0.4874	0.4505	0.474	18,778	+1.28%
2026-08-04	0.467	0.49	0.457	0.468	62,534	+3.59%
2026-08-03	0.411	0.525	0.411	0.4518	233,455	+12.89%
2026-07-31	0.3909	0.45	0.3818	0.4002	78,627	+2.56%
2026-07-30	0.362	0.4199	0.362	0.3902	80,230	-0.20%
2026-07-29	0.4369	0.4625	0.35	0.391	118,281	-10.51%
2026-07-28	0.458	0.482	0.412	0.4369	99,581	-5.43%
2026-07-27	0.485	0.486	0.4465	0.462	28,773	+0.11%
2026-07-24	0.48	0.5	0.4615	0.4615	21,059	-4.27%
2026-07-23	0.4821	0.54	0.4506	0.4821	97,667	-0.60%
2026-07-22	0.5136	0.5242	0.48	0.485	33,479	-5.62%
2026-07-21	0.5789	0.579	0.51	0.5139	22,690	+0.18%
2026-07-20	0.557	0.557	0.46	0.513	47,221	-6.04%
2026-07-17	0.54	0.552	0.4843	0.546	119,302	+3.02%
2026-07-16	0.531	0.6	0.53	0.53	22,126	-3.86%
2026-07-15	0.5355	0.5801	0.535	0.5513	46,011	-0.49%
2026-07-14	0.56	0.6	0.535	0.554	32,314	+1.74%
2026-07-13	0.5305	0.5898	0.5305	0.5445	25,066	-1.14%
2026-07-10	0.548	0.5886	0.5301	0.5508	58,346	+3.20%
2026-07-09	0.5251	0.5348	0.4987	0.5337	119,278	-0.24%
2026-07-08	0.531	0.55	0.53	0.535	25,692	-1.05%
2026-07-07	0.5496	0.5599	0.5301	0.5407	30,394	-0.61%
2026-07-06	0.567	0.5699	0.521	0.544	50,502	-0.64%
2026-07-02	0.582	0.582	0.502	0.5475	54,608	+3.26%
2026-07-01	0.521	0.5899	0.4983	0.5302	86,327	+1.96%
2026-06-30	0.55	0.5949	0.52	0.52	171,383	-5.57%
2026-06-29	0.54	0.5507	0.51	0.5507	111,307	+14.85%
2026-06-26	0.5896	0.5896	0.4795	0.4795	134,975	-22.66%
2026-06-25	0.5998	0.6475	0.5506	0.62	73,564	-0.32%
2026-06-24	0.65	0.65	0.59	0.622	46,243	+1.97%
2026-06-23	0.6201	0.63	0.61	0.61	10,496	+0.00%
2026-06-22	0.6	0.63	0.6	0.61	41,771	+1.67%
2026-06-18	0.641	0.662	0.6	0.6	65,348	-6.40%
2026-06-17	0.68	0.6994	0.641	0.641	15,852	-4.23%
2026-06-16	0.64	0.707	0.635	0.6693	90,305	+2.97%
2026-06-15	0.7	0.7499	0.65	0.65	67,671	-8.45%
2026-06-12	0.7485	0.75	0.71	0.71	26,586	-3.92%
2026-06-11	0.75	0.75	0.7201	0.739	15,423	+1.22%
2026-06-10	0.7501	0.78	0.7301	0.7301	64,665	-0.14%
2026-06-09	0.73	0.8099	0.73	0.7311	41,380	+0.15%
2026-06-08	0.74	0.76	0.72	0.73	24,613	-1.08%
2026-06-05	0.75	0.7685	0.72	0.738	30,444	-1.60%
2026-06-04	0.7735	0.7811	0.75	0.75	13,702	-1.32%
2026-06-03	0.75	0.787	0.75	0.76	12,263	+0.00%
2026-06-02	0.75	0.7868	0.75	0.76	9,526	-1.67%
2026-06-01	0.819	0.82	0.75	0.7729	18,824	+0.38%
2026-05-29	0.77	0.77	0.76	0.77	22,104	+1.32%
2026-05-28	0.75	0.7727	0.74	0.76	53,368	+1.37%
2026-05-27	0.75	0.75	0.74	0.7497	10,561	-1.37%
2026-05-26	0.74	0.7925	0.7303	0.7601	26,763	+1.35%
2026-05-22	0.76	0.76	0.74	0.75	8,849	+1.34%
2026-05-21	0.77	0.79	0.73	0.7401	16,313	-1.32%
2026-05-20	0.7701	0.795	0.73	0.75	35,794	-2.60%
2026-05-19	0.815	0.815	0.76	0.77	16,972	-1.91%
2026-05-18	0.79	0.795	0.7775	0.785	12,977	-1.88%
2026-05-15	0.808	0.8085	0.778	0.8	19,603	-1.11%
2026-05-14	0.778	0.8286	0.778	0.809	15,796	+2.39%
2026-05-13	0.8132	0.8619	0.7858	0.7901	67,119	+1.86%