REFR Historical Prices
Research Frontiers Inc · daily open, high, low, close & volume
Trading days
249
Period high
2.10
Period low
0.3149
Period change
-82.59%
| Date | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Nov 13, 2026 | 0.3820 | 0.3820 | 0.3149 | 0.3151 | -11.76% | 200,455 |
| Nov 12, 2026 | 0.3526 | 0.3812 | 0.3526 | 0.3571 | +1.28% | 46,225 |
| Nov 11, 2026 | 0.3758 | 0.3900 | 0.3517 | 0.3526 | -4.34% | 75,908 |
| Nov 10, 2026 | 0.4100 | 0.4100 | 0.3625 | 0.3686 | -8.15% | 93,343 |
| Nov 9, 2026 | 0.3920 | 0.4432 | 0.3920 | 0.4013 | +9.70% | 27,075 |
| Nov 6, 2026 | 0.4200 | 0.4200 | 0.3600 | 0.3658 | -0.79% | 35,365 |
| Nov 5, 2026 | 0.3859 | 0.4175 | 0.3400 | 0.3687 | -4.21% | 38,465 |
| Nov 4, 2026 | 0.3360 | 0.3980 | 0.3360 | 0.3849 | +10.10% | 39,091 |
| Nov 3, 2026 | 0.3551 | 0.3885 | 0.3252 | 0.3496 | -3.00% | 153,977 |
| Nov 2, 2026 | 0.3620 | 0.3998 | 0.3520 | 0.3604 | +2.94% | 108,759 |
| Oct 30, 2026 | 0.3876 | 0.4000 | 0.3410 | 0.3501 | -7.89% | 200,288 |
| Oct 29, 2026 | 0.4430 | 0.4500 | 0.3800 | 0.3801 | -13.63% | 125,509 |
| Oct 28, 2026 | 0.4200 | 0.4441 | 0.4200 | 0.4401 | +4.54% | 62,821 |
| Oct 27, 2026 | 0.4389 | 0.4399 | 0.4166 | 0.4210 | -5.86% | 16,568 |
| Oct 26, 2026 | 0.4250 | 0.4741 | 0.4250 | 0.4472 | -2.99% | 18,455 |
| Oct 23, 2026 | 0.4298 | 0.4755 | 0.4085 | 0.4610 | +2.90% | 50,336 |
| Oct 22, 2026 | 0.4879 | 0.5697 | 0.4400 | 0.4480 | -5.60% | 50,843 |
| Oct 21, 2026 | 0.5000 | 0.5300 | 0.4746 | 0.4746 | -5.55% | 34,671 |
| Oct 20, 2026 | 0.5300 | 0.5548 | 0.5023 | 0.5025 | -3.46% | 52,005 |
| Oct 19, 2026 | 0.5500 | 0.5868 | 0.5001 | 0.5205 | -7.07% | 149,566 |
| Oct 16, 2026 | 0.6701 | 0.6846 | 0.5589 | 0.5601 | -12.43% | 133,232 |
| Oct 15, 2026 | 0.6280 | 0.6548 | 0.6010 | 0.6396 | +1.54% | 184,530 |
| Oct 14, 2026 | 0.5919 | 0.6400 | 0.5919 | 0.6299 | +6.42% | 127,323 |
| Oct 13, 2026 | 0.5900 | 0.6397 | 0.5563 | 0.5919 | +3.93% | 136,352 |
| Oct 12, 2026 | 0.5770 | 0.5888 | 0.5416 | 0.5695 | -4.01% | 140,213 |
| Oct 9, 2026 | 0.6070 | 0.6200 | 0.5598 | 0.5933 | -4.68% | 162,567 |
| Oct 8, 2026 | 0.6760 | 0.6760 | 0.5900 | 0.6224 | -8.95% | 107,390 |
| Oct 7, 2026 | 0.6800 | 0.6998 | 0.6796 | 0.6836 | -4.59% | 100,378 |
| Oct 6, 2026 | 0.7700 | 0.7700 | 0.6974 | 0.7165 | -1.61% | 314,586 |
| Oct 5, 2026 | 0.7300 | 0.7500 | 0.6701 | 0.7282 | -0.05% | 196,922 |
| Oct 2, 2026 | 0.6887 | 0.7300 | 0.6775 | 0.7286 | +4.85% | 82,850 |
| Oct 1, 2026 | 0.7127 | 0.7347 | 0.6600 | 0.6949 | -5.42% | 162,367 |
| Sep 30, 2026 | 0.6880 | 0.7347 | 0.6740 | 0.7347 | +5.15% | 117,086 |
| Sep 29, 2026 | 0.7365 | 0.7745 | 0.6650 | 0.6987 | -9.78% | 204,395 |
| Sep 28, 2026 | 0.7914 | 0.7914 | 0.7116 | 0.7744 | -2.15% | 132,832 |
| Sep 25, 2026 | 0.7100 | 0.8456 | 0.6800 | 0.7914 | +6.84% | 383,704 |
| Sep 24, 2026 | 0.7088 | 0.8139 | 0.6540 | 0.7407 | +3.77% | 618,325 |
| Sep 23, 2026 | 0.7602 | 0.7602 | 0.6580 | 0.7138 | -8.42% | 229,199 |
| Sep 22, 2026 | 0.7400 | 0.8074 | 0.6136 | 0.7794 | +2.69% | 890,406 |
| Sep 21, 2026 | 0.4830 | 0.7805 | 0.4592 | 0.7590 | +16.54% | 5,530,056 |
| Sep 18, 2026 | 0.3870 | 0.9399 | 0.3617 | 0.6513 | +68.47% | 91,995,875 |
| Sep 17, 2026 | 0.3850 | 0.4099 | 0.3700 | 0.3866 | +1.26% | 48,935 |
| Sep 16, 2026 | 0.3720 | 0.4120 | 0.3370 | 0.3818 | +6.00% | 202,857 |
| Sep 15, 2026 | 0.3720 | 0.3925 | 0.3505 | 0.3602 | -5.46% | 105,974 |
| Sep 14, 2026 | 0.3810 | 0.4190 | 0.3710 | 0.3810 | -2.06% | 98,725 |
| Sep 11, 2026 | 0.3808 | 0.4186 | 0.3707 | 0.3890 | -0.84% | 52,380 |
| Sep 9, 2026 | 0.3850 | 0.3988 | 0.3810 | 0.3923 | -0.56% | 61,150 |
| Sep 8, 2026 | 0.4100 | 0.4190 | 0.3710 | 0.3945 | -4.87% | 242,823 |
| Sep 4, 2026 | 0.4130 | 0.4314 | 0.4000 | 0.4147 | +1.12% | 142,731 |
| Sep 3, 2026 | 0.4000 | 0.4277 | 0.4000 | 0.4101 | +1.96% | 63,031 |
| Sep 2, 2026 | 0.4500 | 0.4589 | 0.4017 | 0.4022 | -13.89% | 102,573 |
| Aug 31, 2026 | 0.4680 | 0.4695 | 0.4516 | 0.4671 | +1.08% | 61,661 |
| Aug 28, 2026 | 0.4853 | 0.4894 | 0.4500 | 0.4621 | -4.72% | 174,514 |
| Aug 27, 2026 | 0.5100 | 0.5300 | 0.4704 | 0.4850 | +1.04% | 352,178 |
| Aug 26, 2026 | 0.4800 | 0.4950 | 0.4606 | 0.4800 | +0.44% | 363,942 |
| Aug 25, 2026 | 0.4897 | 0.5055 | 0.4578 | 0.4779 | +2.33% | 182,107 |
| Aug 24, 2026 | 0.4446 | 0.4900 | 0.4302 | 0.4670 | +4.92% | 94,772 |
| Aug 21, 2026 | 0.4590 | 0.4664 | 0.4300 | 0.4451 | -1.09% | 66,667 |
| Aug 20, 2026 | 0.4555 | 0.4913 | 0.4401 | 0.4500 | +2.23% | 128,861 |
| Aug 19, 2026 | 0.4182 | 0.4609 | 0.4006 | 0.4402 | +4.81% | 223,029 |
| Aug 18, 2026 | 0.4390 | 0.4663 | 0.4190 | 0.4200 | -2.44% | 35,377 |
| Aug 17, 2026 | 0.4250 | 0.4789 | 0.4191 | 0.4305 | -2.16% | 64,771 |
| Aug 14, 2026 | 0.4513 | 0.4513 | 0.4303 | 0.4400 | +1.20% | 11,570 |
| Aug 13, 2026 | 0.4800 | 0.4800 | 0.4348 | 0.4348 | -9.68% | 78,469 |
| Aug 12, 2026 | 0.4900 | 0.4900 | 0.4706 | 0.4814 | -2.37% | 50,862 |
| Aug 11, 2026 | 0.4990 | 0.5055 | 0.4867 | 0.4931 | +0.63% | 40,198 |
| Aug 10, 2026 | 0.4896 | 0.5000 | 0.4702 | 0.4900 | +0.72% | 161,757 |
| Aug 7, 2026 | 0.5000 | 0.5039 | 0.4500 | 0.4865 | +4.06% | 94,171 |
| Aug 6, 2026 | 0.4601 | 0.5000 | 0.4474 | 0.4675 | -1.37% | 230,082 |
| Aug 5, 2026 | 0.4700 | 0.4874 | 0.4505 | 0.4740 | +1.28% | 18,778 |
| Aug 4, 2026 | 0.4670 | 0.4900 | 0.4570 | 0.4680 | +3.59% | 62,535 |
| Aug 3, 2026 | 0.4110 | 0.5250 | 0.4110 | 0.4518 | +12.89% | 233,455 |
| Jul 31, 2026 | 0.3909 | 0.4500 | 0.3818 | 0.4002 | +2.56% | 78,627 |
| Jul 30, 2026 | 0.3620 | 0.4199 | 0.3620 | 0.3902 | -0.20% | 80,230 |
| Jul 29, 2026 | 0.4369 | 0.4625 | 0.3500 | 0.3910 | -10.51% | 118,281 |
| Jul 28, 2026 | 0.4580 | 0.4820 | 0.4120 | 0.4369 | -5.43% | 99,581 |
| Jul 27, 2026 | 0.4850 | 0.4860 | 0.4465 | 0.4620 | +0.11% | 28,773 |
| Jul 24, 2026 | 0.4800 | 0.5000 | 0.4615 | 0.4615 | -4.27% | 21,060 |
| Jul 23, 2026 | 0.4821 | 0.5400 | 0.4506 | 0.4821 | -0.60% | 97,667 |
| Jul 22, 2026 | 0.5136 | 0.5242 | 0.4800 | 0.4850 | -5.62% | 33,479 |
| Jul 21, 2026 | 0.5789 | 0.5790 | 0.5100 | 0.5139 | +0.18% | 22,690 |
| Jul 20, 2026 | 0.5570 | 0.5570 | 0.4600 | 0.5130 | -6.04% | 47,221 |
| Jul 17, 2026 | 0.5400 | 0.5520 | 0.4843 | 0.5460 | +3.02% | 119,302 |
| Jul 16, 2026 | 0.5310 | 0.6000 | 0.5300 | 0.5300 | -3.86% | 22,127 |
| Jul 15, 2026 | 0.5355 | 0.5801 | 0.5350 | 0.5513 | -0.49% | 45,992 |
| Jul 14, 2026 | 0.5600 | 0.6000 | 0.5350 | 0.5540 | +1.74% | 32,290 |
| Jul 13, 2026 | 0.5305 | 0.5898 | 0.5305 | 0.5445 | -1.14% | 25,066 |
| Jul 10, 2026 | 0.5480 | 0.5886 | 0.5301 | 0.5508 | +3.20% | 58,346 |
| Jul 9, 2026 | 0.5199 | 0.5348 | 0.5147 | 0.5337 | -0.24% | 38,449 |
| Jul 8, 2026 | 0.5310 | 0.5500 | 0.5300 | 0.5350 | -1.05% | 25,692 |
| Jul 7, 2026 | 0.5496 | 0.5599 | 0.5301 | 0.5407 | -0.61% | 30,394 |
| Jul 6, 2026 | 0.5670 | 0.5699 | 0.5210 | 0.5440 | -0.64% | 50,503 |
| Jul 2, 2026 | 0.5820 | 0.5820 | 0.5020 | 0.5475 | +3.26% | 54,609 |
| Jul 1, 2026 | 0.5210 | 0.5899 | 0.4983 | 0.5302 | +1.96% | 86,327 |
| Jun 30, 2026 | 0.5500 | 0.5949 | 0.5200 | 0.5200 | -5.57% | 171,384 |
| Jun 29, 2026 | 0.5400 | 0.5507 | 0.5100 | 0.5507 | +14.85% | 111,308 |
| Jun 26, 2026 | 0.5896 | 0.5896 | 0.4795 | 0.4795 | -22.66% | 134,975 |
| Jun 25, 2026 | 0.5998 | 0.6475 | 0.5506 | 0.6200 | -0.32% | 73,564 |
| Jun 24, 2026 | 0.6500 | 0.6500 | 0.5900 | 0.6220 | +1.97% | 46,238 |
| Jun 23, 2026 | 0.6201 | 0.6300 | 0.6100 | 0.6100 | +0.00% | 10,496 |
| Jun 22, 2026 | 0.6000 | 0.6300 | 0.6000 | 0.6100 | +1.67% | 41,772 |
| Jun 18, 2026 | 0.6410 | 0.6620 | 0.6000 | 0.6000 | -6.40% | 65,349 |
| Jun 17, 2026 | 0.6800 | 0.6994 | 0.6410 | 0.6410 | -4.23% | 15,852 |
| Jun 16, 2026 | 0.6400 | 0.7070 | 0.6350 | 0.6693 | +2.97% | 90,306 |
| Jun 15, 2026 | 0.7000 | 0.7499 | 0.6500 | 0.6500 | -8.45% | 67,672 |
| Jun 12, 2026 | 0.7485 | 0.7500 | 0.7100 | 0.7100 | -3.92% | 26,587 |
| Jun 11, 2026 | 0.7500 | 0.7500 | 0.7201 | 0.7390 | +1.22% | 15,424 |
| Jun 10, 2026 | 0.7501 | 0.7800 | 0.7301 | 0.7301 | -0.14% | 64,666 |
| Jun 9, 2026 | 0.7300 | 0.8099 | 0.7300 | 0.7311 | +0.15% | 41,380 |
| Jun 8, 2026 | 0.7400 | 0.7600 | 0.7200 | 0.7300 | -1.08% | 24,613 |
| Jun 5, 2026 | 0.7500 | 0.7685 | 0.7200 | 0.7380 | -1.60% | 30,444 |
| Jun 4, 2026 | 0.7735 | 0.7811 | 0.7500 | 0.7500 | -1.32% | 13,702 |
| Jun 3, 2026 | 0.7500 | 0.7870 | 0.7500 | 0.7600 | +0.00% | 12,263 |
| Jun 2, 2026 | 0.7500 | 0.7868 | 0.7500 | 0.7600 | -1.67% | 9,526 |
| Jun 1, 2026 | 0.8190 | 0.8200 | 0.7500 | 0.7729 | +0.38% | 18,825 |
| May 29, 2026 | 0.7700 | 0.7700 | 0.7600 | 0.7700 | +1.32% | 22,105 |
| May 28, 2026 | 0.7500 | 0.7727 | 0.7400 | 0.7600 | +1.37% | 53,368 |
| May 27, 2026 | 0.7500 | 0.7500 | 0.7400 | 0.7497 | -1.37% | 10,561 |
| May 26, 2026 | 0.7400 | 0.7925 | 0.7303 | 0.7601 | +1.35% | 26,763 |
| May 22, 2026 | 0.7600 | 0.7600 | 0.7400 | 0.7500 | +1.34% | 8,850 |
| May 21, 2026 | 0.7700 | 0.7900 | 0.7300 | 0.7401 | -1.32% | 16,313 |
| May 20, 2026 | 0.7701 | 0.7950 | 0.7300 | 0.7500 | -2.60% | 35,794 |
| May 19, 2026 | 0.8150 | 0.8150 | 0.7600 | 0.7700 | -1.91% | 16,972 |
| May 18, 2026 | 0.7900 | 0.7950 | 0.7775 | 0.7850 | -1.88% | 12,977 |
| May 15, 2026 | 0.8080 | 0.8085 | 0.7780 | 0.8000 | -1.11% | 19,604 |
| May 14, 2026 | 0.7780 | 0.8286 | 0.7780 | 0.8090 | +2.39% | 15,796 |
| May 13, 2026 | 0.8132 | 0.8619 | 0.7858 | 0.7901 | +1.86% | 67,119 |
| May 12, 2026 | 0.7900 | 0.7900 | 0.7649 | 0.7757 | +2.05% | 27,601 |
| May 11, 2026 | 0.9000 | 0.9000 | 0.7601 | 0.7601 | +0.78% | 80,298 |
| May 8, 2026 | 0.8850 | 0.8850 | 0.7513 | 0.7542 | -9.48% | 75,450 |
| May 7, 2026 | 0.8701 | 0.9879 | 0.8300 | 0.8332 | -4.89% | 90,732 |
| May 6, 2026 | 0.9899 | 0.9899 | 0.8760 | 0.8760 | +0.69% | 27,635 |
| May 5, 2026 | 0.8696 | 0.9500 | 0.8612 | 0.8700 | +0.05% | 28,593 |
| May 4, 2026 | 0.8800 | 0.9447 | 0.8300 | 0.8696 | -0.96% | 95,565 |
| May 1, 2026 | 0.9200 | 0.9200 | 0.8720 | 0.8780 | -4.55% | 58,389 |
| Apr 30, 2026 | 0.9500 | 0.9600 | 0.9115 | 0.9199 | -2.14% | 67,088 |
| Apr 29, 2026 | 0.9300 | 0.9499 | 0.9300 | 0.9400 | +0.32% | 2,497 |
| Apr 28, 2026 | 0.9300 | 0.9760 | 0.9300 | 0.9370 | -1.37% | 25,244 |
| Apr 27, 2026 | 0.9900 | 0.9900 | 0.9400 | 0.9500 | -1.04% | 7,899 |
| Apr 24, 2026 | 1.01 | 1.02 | 0.9300 | 0.9600 | -3.96% | 26,940 |
| Apr 23, 2026 | 0.9901 | 1.02 | 0.9900 | 0.9996 | +2.65% | 10,856 |
| Apr 22, 2026 | 0.9700 | 1.02 | 0.9700 | 0.9738 | -1.64% | 6,618 |
| Apr 21, 2026 | 1.00 | 1.02 | 0.9800 | 0.9900 | -0.98% | 37,680 |
| Apr 20, 2026 | 0.9300 | 0.9998 | 0.9300 | 0.9998 | +7.49% | 23,459 |
| Apr 17, 2026 | 0.9500 | 0.9500 | 0.9300 | 0.9301 | -0.66% | 4,913 |
| Apr 16, 2026 | 0.9100 | 0.9496 | 0.9067 | 0.9363 | +2.60% | 17,265 |
| Apr 15, 2026 | 1.01 | 1.01 | 0.9102 | 0.9126 | -10.09% | 40,358 |
| Apr 14, 2026 | 0.9100 | 1.02 | 0.9100 | 1.01 | +9.15% | 94,623 |
| Apr 13, 2026 | 0.9500 | 0.9700 | 0.9190 | 0.9299 | -3.13% | 17,685 |
| Apr 10, 2026 | 0.9700 | 0.9700 | 0.9599 | 0.9599 | +2.12% | 4,644 |
| Apr 9, 2026 | 0.9251 | 0.9700 | 0.9104 | 0.9400 | +2.01% | 35,902 |
| Apr 8, 2026 | 0.9750 | 0.9800 | 0.9215 | 0.9215 | -0.91% | 35,260 |
| Apr 7, 2026 | 0.9200 | 0.9700 | 0.9100 | 0.9300 | -0.79% | 20,741 |
| Apr 6, 2026 | 0.9300 | 0.9700 | 0.9001 | 0.9374 | +1.33% | 6,200 |
| Apr 2, 2026 | 0.9250 | 0.9251 | 0.9001 | 0.9251 | -3.07% | 2,450 |
| Apr 1, 2026 | 0.9375 | 0.9749 | 0.9375 | 0.9544 | +3.74% | 8,537 |
| Mar 31, 2026 | 0.8700 | 0.9588 | 0.8700 | 0.9200 | +1.10% | 16,817 |
| Mar 30, 2026 | 0.8900 | 0.9398 | 0.8750 | 0.9100 | +2.10% | 6,655 |
| Mar 27, 2026 | 0.8700 | 0.9390 | 0.8700 | 0.8913 | -1.13% | 9,342 |
| Mar 26, 2026 | 0.8555 | 0.9139 | 0.8555 | 0.9015 | +8.48% | 31,698 |
| Mar 25, 2026 | 0.8671 | 0.9656 | 0.8200 | 0.8310 | -2.25% | 91,904 |
| Mar 24, 2026 | 0.8600 | 0.8990 | 0.8500 | 0.8501 | -1.68% | 20,468 |
| Mar 23, 2026 | 0.8610 | 0.9000 | 0.8600 | 0.8646 | +8.07% | 36,475 |
| Mar 20, 2026 | 1.02 | 1.03 | 0.8000 | 0.8000 | -21.57% | 173,128 |
| Mar 19, 2026 | 1.00 | 1.02 | 1.00 | 1.02 | +2.00% | 13,769 |
| Mar 18, 2026 | 1.02 | 1.03 | 1.00 | 1.00 | +0.00% | 22,348 |
| Mar 17, 2026 | 1.00 | 1.03 | 1.00 | 1.00 | -0.99% | 10,260 |
| Mar 16, 2026 | 1.00 | 1.02 | 1.00 | 1.01 | +0.00% | 30,630 |
| Mar 13, 2026 | 1.01 | 1.01 | 0.9990 | 1.01 | -0.98% | 29,985 |
| Mar 12, 2026 | 0.9300 | 1.02 | 0.9192 | 1.02 | +12.86% | 27,945 |
| Mar 11, 2026 | 0.9300 | 0.9500 | 0.9020 | 0.9038 | -2.40% | 26,206 |
| Mar 10, 2026 | 0.9700 | 0.9700 | 0.9200 | 0.9260 | -1.49% | 40,087 |
| Mar 9, 2026 | 0.9600 | 0.9682 | 0.9400 | 0.9400 | -4.08% | 20,837 |
| Mar 6, 2026 | 0.9900 | 1.01 | 0.9606 | 0.9800 | -1.01% | 48,034 |
| Mar 5, 2026 | 1.05 | 1.05 | 0.9900 | 0.9900 | -1.98% | 41,034 |
| Mar 4, 2026 | 1.00 | 1.05 | 1.00 | 1.01 | +0.00% | 13,124 |
| Mar 3, 2026 | 1.01 | 1.09 | 0.9800 | 1.01 | -1.94% | 23,057 |
| Mar 2, 2026 | 1.02 | 1.10 | 1.02 | 1.03 | +3.50% | 20,479 |
| Feb 27, 2026 | 1.02 | 1.05 | 0.9800 | 0.9952 | +1.14% | 87,289 |
| Feb 26, 2026 | 1.14 | 1.14 | 0.9821 | 0.9840 | -11.35% | 75,996 |
| Feb 25, 2026 | 1.13 | 1.13 | 1.11 | 1.11 | +0.91% | 5,491 |
| Feb 24, 2026 | 1.12 | 1.12 | 1.07 | 1.10 | -0.90% | 13,603 |
| Feb 23, 2026 | 1.13 | 1.13 | 1.10 | 1.11 | +0.00% | 15,671 |
| Feb 20, 2026 | 1.03 | 1.13 | 1.03 | 1.11 | +7.77% | 48,027 |
| Feb 19, 2026 | 1.01 | 1.05 | 1.01 | 1.03 | +1.98% | 18,649 |
| Feb 18, 2026 | 1.04 | 1.09 | 1.00 | 1.01 | -0.98% | 33,770 |
| Feb 17, 2026 | 1.02 | 1.12 | 1.02 | 1.02 | +2.00% | 8,242 |
| Feb 13, 2026 | 1.04 | 1.09 | 0.9820 | 1.00 | -2.91% | 72,501 |
| Feb 12, 2026 | 1.05 | 1.08 | 1.01 | 1.03 | -0.96% | 33,926 |
| Feb 11, 2026 | 1.05 | 1.06 | 1.02 | 1.04 | +0.00% | 46,390 |
| Feb 10, 2026 | 1.02 | 1.08 | 1.02 | 1.04 | +0.97% | 14,397 |
| Feb 9, 2026 | 1.11 | 1.17 | 1.00 | 1.03 | -8.04% | 134,283 |
| Feb 6, 2026 | 1.11 | 1.25 | 1.11 | 1.12 | -0.88% | 26,547 |
| Feb 5, 2026 | 1.13 | 1.14 | 1.09 | 1.13 | +0.00% | 30,868 |
| Feb 4, 2026 | 1.15 | 1.18 | 1.11 | 1.13 | -2.59% | 17,982 |
| Feb 3, 2026 | 1.15 | 1.20 | 1.15 | 1.16 | +1.75% | 26,089 |
| Feb 2, 2026 | 1.18 | 1.21 | 1.14 | 1.14 | -5.00% | 50,173 |
| Jan 30, 2026 | 1.20 | 1.23 | 1.14 | 1.20 | +0.00% | 83,044 |
| Jan 29, 2026 | 1.25 | 1.32 | 1.20 | 1.20 | -5.51% | 75,183 |
| Jan 28, 2026 | 1.27 | 1.29 | 1.23 | 1.27 | -0.78% | 17,488 |
| Jan 27, 2026 | 1.28 | 1.30 | 1.25 | 1.28 | -1.54% | 46,450 |
| Jan 26, 2026 | 1.29 | 1.31 | 1.21 | 1.30 | +2.36% | 64,846 |
| Jan 23, 2026 | 1.27 | 1.32 | 1.26 | 1.27 | +0.00% | 29,585 |
| Jan 22, 2026 | 1.22 | 1.31 | 1.21 | 1.27 | +2.42% | 111,202 |
| Jan 21, 2026 | 1.23 | 1.30 | 1.21 | 1.24 | -2.36% | 70,042 |
| Jan 20, 2026 | 1.32 | 1.34 | 1.25 | 1.27 | -4.51% | 41,224 |
| Jan 16, 2026 | 1.33 | 1.38 | 1.30 | 1.33 | +0.76% | 43,044 |
| Jan 15, 2026 | 1.35 | 1.40 | 1.30 | 1.32 | -2.94% | 19,328 |
| Jan 14, 2026 | 1.34 | 1.37 | 1.32 | 1.36 | +2.26% | 21,387 |
| Jan 13, 2026 | 1.31 | 1.34 | 1.31 | 1.33 | +3.91% | 14,629 |
| Jan 12, 2026 | 1.28 | 1.34 | 1.28 | 1.28 | +2.40% | 22,331 |
| Jan 9, 2026 | 1.27 | 1.35 | 1.20 | 1.25 | -1.57% | 85,880 |
| Jan 8, 2026 | 1.31 | 1.34 | 1.27 | 1.27 | -1.55% | 55,233 |
| Jan 7, 2026 | 1.35 | 1.43 | 1.27 | 1.29 | -2.27% | 23,254 |
| Jan 6, 2026 | 1.31 | 1.35 | 1.31 | 1.32 | +0.00% | 22,567 |
| Jan 5, 2026 | 1.28 | 1.44 | 1.27 | 1.32 | +3.13% | 41,952 |
| Jan 2, 2026 | 1.31 | 1.31 | 1.26 | 1.28 | -2.29% | 46,861 |
| Dec 31, 2025 | 1.31 | 1.34 | 1.26 | 1.31 | -0.76% | 85,203 |
| Dec 30, 2025 | 1.36 | 1.36 | 1.30 | 1.32 | -3.65% | 48,522 |
| Dec 29, 2025 | 1.36 | 1.45 | 1.31 | 1.37 | -0.72% | 148,715 |
| Dec 26, 2025 | 1.41 | 1.49 | 1.30 | 1.38 | -0.72% | 96,016 |
| Dec 24, 2025 | 1.40 | 1.42 | 1.36 | 1.39 | -1.42% | 16,656 |
| Dec 23, 2025 | 1.50 | 1.50 | 1.35 | 1.41 | -2.76% | 62,823 |
| Dec 22, 2025 | 1.50 | 1.54 | 1.41 | 1.45 | -0.68% | 77,117 |
| Dec 19, 2025 | 1.52 | 1.53 | 1.42 | 1.46 | -1.35% | 100,126 |
| Dec 18, 2025 | 1.46 | 1.48 | 1.27 | 1.48 | +2.78% | 101,961 |
| Dec 17, 2025 | 1.49 | 1.53 | 1.42 | 1.44 | -2.70% | 36,616 |
| Dec 16, 2025 | 1.50 | 1.52 | 1.44 | 1.48 | -5.13% | 51,024 |
| Dec 15, 2025 | 1.52 | 1.59 | 1.50 | 1.56 | +1.30% | 60,885 |
| Dec 12, 2025 | 1.59 | 1.59 | 1.52 | 1.54 | -1.28% | 30,287 |
| Dec 11, 2025 | 1.57 | 1.62 | 1.54 | 1.56 | -1.27% | 32,105 |
| Dec 10, 2025 | 1.59 | 1.63 | 1.57 | 1.58 | -0.63% | 48,552 |
| Dec 9, 2025 | 1.58 | 1.69 | 1.56 | 1.59 | +0.00% | 41,530 |
| Dec 8, 2025 | 1.64 | 1.65 | 1.55 | 1.59 | -1.85% | 60,212 |
| Dec 5, 2025 | 1.63 | 1.65 | 1.52 | 1.62 | +3.18% | 66,495 |
| Dec 4, 2025 | 1.64 | 1.65 | 1.56 | 1.57 | -4.85% | 34,793 |
| Dec 3, 2025 | 1.62 | 1.71 | 1.56 | 1.65 | +1.23% | 46,304 |
| Dec 2, 2025 | 1.85 | 1.85 | 1.60 | 1.63 | -8.43% | 52,477 |
| Dec 1, 2025 | 1.75 | 1.92 | 1.75 | 1.78 | -5.82% | 16,896 |
| Nov 28, 2025 | 1.97 | 1.97 | 1.84 | 1.89 | -1.05% | 24,200 |
| Nov 26, 2025 | 2.01 | 2.01 | 1.85 | 1.91 | -1.04% | 35,434 |
| Nov 25, 2025 | 2.08 | 2.08 | 1.90 | 1.93 | -7.21% | 22,683 |
| Nov 24, 2025 | 1.91 | 2.10 | 1.84 | 2.08 | +4.52% | 154,748 |
| Nov 21, 2025 | 1.73 | 2.00 | 1.68 | 1.99 | +13.07% | 97,559 |
| Nov 20, 2025 | 1.79 | 1.85 | 1.72 | 1.76 | +0.00% | 53,256 |
| Nov 19, 2025 | 1.76 | 1.79 | 1.75 | 1.76 | +3.53% | 25,175 |
| Nov 18, 2025 | 1.58 | 1.72 | 1.58 | 1.70 | +4.74% | 23,321 |
| Nov 17, 2025 | 1.77 | 1.85 | 1.62 | 1.62 | -10.33% | 77,049 |
| Nov 14, 2025 | 1.70 | 1.93 | 1.66 | 1.81 | -3.21% | 96,891 |
Daily open, high, low, close and volume for Research Frontiers Inc (REFR). Showing 249 trading days. Unadjusted prices.