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Research Frontiers (NQ: REFR )

2.070 +0.070 (+3.50%)
Streaming Delayed Price Updated: 4:00 PM EDT, May 10, 2024 Add to My Watchlist
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Historical Prices

Month:
Year:
Range:
Date Open High Low Close Volume Change (%)
Apr 30, 2024 1.580 1.580 1.510 1.550 11,779 -0.03(-1.90%)
Apr 29, 2024 1.640 1.640 1.520 1.580 10,978 -0.01(-0.63%)
Apr 26, 2024 1.650 1.690 1.590 1.590 89,343 -0.02(-1.24%)
Apr 25, 2024 1.630 1.630 1.565 1.610 5,517 +0.00(+0.00%)
Apr 24, 2024 1.590 1.649 1.590 1.610 28,089 +0.12(+8.05%)
Apr 23, 2024 1.560 1.570 1.458 1.490 18,474 -0.03(-1.97%)
Apr 22, 2024 1.530 1.590 1.520 1.520 25,071 -0.01(-0.65%)
Apr 19, 2024 1.540 1.660 1.523 1.530 49,374 -0.06(-3.77%)
Apr 18, 2024 1.670 1.700 1.580 1.590 56,673 -0.05(-3.05%)
Apr 17, 2024 1.550 1.640 1.540 1.640 68,289 +0.09(+5.81%)
Apr 16, 2024 1.470 1.750 1.390 1.550 79,932 +0.09(+6.16%)
Apr 15, 2024 1.440 1.500 1.381 1.460 89,530 +0.05(+3.91%)
Apr 12, 2024 1.390 1.410 1.370 1.405 31,082 +0.04(+3.31%)
Apr 11, 2024 1.300 1.444 1.300 1.360 69,695 +0.07(+5.43%)
Apr 10, 2024 1.290 1.290 1.260 1.290 4,851 +0.00(+0.00%)
Apr 09, 2024 1.270 1.310 1.240 1.290 6,114 +0.02(+1.57%)
Apr 08, 2024 1.270 1.270 1.260 1.270 7,657 +0.00(+0.00%)
Apr 05, 2024 1.210 1.270 1.160 1.270 20,250 +0.03(+2.42%)
Apr 04, 2024 1.280 1.355 1.180 1.240 33,380 -0.03(-2.36%)
Apr 03, 2024 1.250 1.290 1.210 1.270 29,090 -0.05(-3.79%)
Apr 02, 2024 1.270 1.320 1.200 1.320 21,065 +0.06(+4.76%)
Apr 01, 2024 1.330 1.360 1.250 1.260 29,397 -0.04(-3.08%)
Mar 28, 2024 1.340 1.369 1.280 1.300 29,928 -0.05(-3.70%)
Mar 27, 2024 1.330 1.399 1.320 1.350 13,733 -0.01(-0.74%)
Mar 26, 2024 1.510 1.530 1.320 1.360 78,043 -0.11(-7.48%)
Mar 25, 2024 1.280 1.570 1.250 1.470 291,119 +0.21(+16.67%)
Mar 22, 2024 1.230 1.260 1.220 1.260 10,191 +0.05(+4.13%)
Mar 21, 2024 1.280 1.300 1.210 1.210 12,630 -0.05(-3.97%)
Mar 20, 2024 1.260 1.290 1.210 1.260 25,235 +0.02(+1.61%)
Mar 19, 2024 1.210 1.320 1.210 1.240 18,378 -0.01(-0.80%)
Mar 18, 2024 1.200 1.340 1.200 1.250 16,838 +0.05(+4.17%)
Mar 15, 2024 1.240 1.315 1.180 1.200 32,261 -0.02(-1.64%)
Mar 14, 2024 1.230 1.230 1.200 1.220 8,597 -0.03(-2.40%)
Mar 13, 2024 1.330 1.330 1.250 1.250 49,875 -0.10(-7.41%)
Mar 12, 2024 1.400 1.419 1.310 1.350 32,764 -0.03(-2.17%)
Mar 11, 2024 1.360 1.450 1.310 1.380 150,611 +0.06(+4.55%)
Mar 08, 2024 1.270 1.420 1.160 1.320 204,338 +0.19(+16.81%)
Mar 07, 2024 1.100 1.220 1.060 1.130 41,652 +0.04(+3.66%)
Mar 06, 2024 1.050 1.130 1.030 1.090 172,756 +0.06(+5.83%)
Mar 05, 2024 1.000 1.043 1.000 1.030 12,901 +0.02(+1.98%)
Mar 04, 2024 1.060 1.070 0.9801 1.010 37,181 -0.05(-4.72%)
Mar 01, 2024 1.000 1.070 0.9811 1.060 107,788 +0.08(+8.16%)
Feb 29, 2024 1.000 1.000 0.9800 0.9800 22,076 -0.02(-2.00%)
Feb 28, 2024 0.9900 1.000 0.9800 1.000 24,818 +0.02(+2.04%)
Feb 27, 2024 0.9604 0.9900 0.9604 0.9800 5,556 +0.05(+5.37%)
Feb 26, 2024 0.9800 1.015 0.9255 0.9301 61,967 -0.06(-5.61%)
Feb 23, 2024 0.9710 0.9996 0.9611 0.9854 26,467 +0.02(+1.59%)
Feb 22, 2024 1.030 1.040 0.9700 0.9700 37,929 -0.03(-2.99%)
Feb 21, 2024 0.9900 1.010 0.9701 0.9999 48,915 -0.02(-1.97%)
Feb 20, 2024 1.035 1.035 0.9900 1.020 7,984 -0.02(-1.92%)
Feb 16, 2024 1.035 1.060 0.9950 1.040 20,408 -0.02(-1.89%)
Feb 15, 2024 1.030 1.060 1.000 1.060 36,007 +0.01(+0.95%)
Feb 14, 2024 1.090 1.090 1.020 1.050 23,471 +0.00(+0.00%)
Feb 13, 2024 1.030 1.050 1.030 1.050 8,640 -0.01(-0.94%)
Feb 12, 2024 1.060 1.070 1.040 1.060 19,998 +0.05(+4.95%)
Feb 09, 2024 1.010 1.050 0.9900 1.010 18,438 -0.02(-1.94%)
Feb 08, 2024 1.000 1.030 1.000 1.030 17,993 +0.02(+1.98%)
Feb 07, 2024 1.010 1.020 1.000 1.010 53,095 -0.00(-0.49%)
Feb 06, 2024 1.030 1.055 1.010 1.015 26,173 -0.02(-1.46%)
Feb 05, 2024 1.080 1.080 1.010 1.030 16,825 -0.01(-0.96%)
Feb 02, 2024 1.040 1.040 1.020 1.040 20,170 +0.01(+0.97%)
Feb 01, 2024 1.050 1.050 1.000 1.030 4,630 +0.01(+0.98%)
Jan 31, 2024 1.060 1.060 1.002 1.020 15,794 -0.03(-3.32%)
Jan 30, 2024 1.060 1.093 1.040 1.055 26,388 -0.02(-1.40%)
Jan 29, 2024 1.040 1.070 1.040 1.070 5,285 +0.03(+2.88%)
Jan 26, 2024 1.050 1.100 1.020 1.040 18,348 +0.03(+2.97%)
Jan 25, 2024 0.9900 1.045 0.9900 1.010 50,236 +0.01(+1.00%)
Jan 24, 2024 1.000 1.030 1.000 1.000 19,795 +0.00(+0.00%)
Jan 23, 2024 0.9900 1.030 0.9900 1.000 21,222 +0.01(+1.01%)
Jan 22, 2024 1.000 1.050 0.9900 0.9900 19,427 +0.00(+0.20%)
Jan 19, 2024 1.000 1.060 0.9880 0.9880 17,435 -0.02(-2.18%)
Jan 18, 2024 1.020 1.060 0.9900 1.010 33,003 -0.01(-0.98%)
Jan 17, 2024 1.000 1.040 1.000 1.020 20,680 +0.02(+2.00%)
Jan 16, 2024 1.020 1.080 1.000 1.000 46,694 -0.04(-3.85%)
Jan 12, 2024 1.020 1.090 1.010 1.040 28,404 +0.01(+0.97%)
Jan 11, 2024 1.080 1.080 1.010 1.030 54,719 -0.01(-0.96%)
Jan 10, 2024 1.120 1.140 1.030 1.040 33,848 -0.10(-8.77%)
Jan 09, 2024 1.150 1.190 1.110 1.140 53,336 -0.02(-1.72%)
Jan 08, 2024 1.140 1.190 1.120 1.160 80,754 +0.05(+4.50%)
Jan 05, 2024 1.050 1.140 1.030 1.110 139,858 +0.05(+4.72%)
Jan 04, 2024 1.060 1.090 1.040 1.060 38,054 -0.02(-1.85%)
Jan 03, 2024 1.020 1.080 1.020 1.080 36,633 +0.07(+6.40%)
Jan 02, 2024 1.000 1.048 1.000 1.015 37,185 +0.00(+0.50%)
Dec 29, 2023 0.9621 1.090 0.9412 1.010 227,761 +0.04(+4.24%)
Dec 28, 2023 0.9200 0.9700 0.9200 0.9689 94,374 +0.02(+1.99%)
Dec 27, 2023 0.9200 0.9500 0.9200 0.9500 59,303 +0.02(+2.15%)
Dec 26, 2023 0.9500 0.9500 0.9111 0.9300 135,349 -0.02(-1.90%)
Dec 22, 2023 0.9500 1.000 0.9301 0.9480 78,094 -0.01(-0.89%)
Dec 21, 2023 0.9700 0.9700 0.9153 0.9565 72,926 -0.02(-2.00%)
Dec 20, 2023 0.9300 1.010 0.9200 0.9760 89,530 +0.05(+4.95%)
Dec 19, 2023 0.9100 0.9400 0.9090 0.9300 97,457 +0.01(+1.12%)
Dec 18, 2023 0.9500 1.000 0.9000 0.9197 151,535 -0.03(-2.68%)
Dec 15, 2023 0.9999 1.010 0.9450 0.9450 61,280 -0.05(-5.49%)
Dec 14, 2023 0.9500 1.010 0.9500 0.9999 43,843 +0.04(+4.16%)
Dec 13, 2023 1.000 1.010 0.9600 0.9600 28,382 -0.01(-1.03%)
Dec 12, 2023 0.9700 1.000 0.9700 0.9700 31,896 +0.00(+0.00%)
Dec 11, 2023 1.010 1.020 0.9660 0.9700 71,045 -0.04(-3.96%)
Dec 08, 2023 1.000 1.030 0.9900 1.010 42,146 +0.00(+0.00%)
Dec 07, 2023 1.020 1.020 0.9800 1.010 24,729 +0.02(+2.02%)
Dec 06, 2023 0.9700 1.010 0.9511 0.9900 32,527 +0.00(+0.00%)
Dec 05, 2023 0.9900 1.020 0.9700 0.9900 87,541 -0.02(-1.98%)
Dec 04, 2023 1.030 1.040 0.9900 1.010 40,555 -0.01(-0.98%)
Dec 01, 2023 1.010 1.080 1.010 1.020 32,336 -0.01(-0.97%)
Nov 30, 2023 1.020 1.050 1.010 1.030 25,648 -0.02(-1.90%)
Nov 29, 2023 1.080 1.080 1.010 1.050 25,603 -0.01(-0.94%)
Nov 28, 2023 1.080 1.080 1.050 1.060 15,835 +0.01(+0.95%)
Nov 27, 2023 1.050 1.100 1.050 1.050 36,625 -0.02(-1.87%)
Nov 24, 2023 1.040 1.100 1.040 1.070 10,935 +0.03(+2.88%)
Nov 22, 2023 1.010 1.080 1.000 1.040 56,284 +0.04(+4.00%)
Nov 21, 2023 1.000 1.060 1.000 1.000 19,052 -0.02(-1.96%)
Nov 20, 2023 1.000 1.075 1.000 1.020 19,983 +0.02(+2.00%)
Nov 17, 2023 0.9800 1.030 0.9800 1.000 26,666 -0.01(-0.99%)
Nov 16, 2023 1.020 1.080 1.000 1.010 31,243 -0.01(-0.98%)
Nov 15, 2023 1.020 1.090 0.9850 1.020 90,055 +0.02(+2.00%)
Nov 14, 2023 1.030 1.070 0.9120 1.000 152,477 -0.04(-3.85%)
Nov 13, 2023 1.050 1.070 1.020 1.040 39,899 -0.01(-0.95%)
Nov 10, 2023 1.080 1.090 1.050 1.050 11,600 -0.01(-0.94%)
Nov 09, 2023 1.062 1.090 1.060 1.060 10,269 +0.01(+0.95%)
Nov 08, 2023 1.080 1.100 1.030 1.050 8,843 +0.00(+0.00%)
Nov 07, 2023 1.010 1.080 1.010 1.050 11,270 +0.05(+5.00%)
Nov 06, 2023 1.020 1.080 1.000 1.000 33,912 -0.04(-3.85%)
Nov 03, 2023 1.110 1.110 1.040 1.040 38,506 +0.02(+1.98%)
Nov 02, 2023 1.050 1.050 1.010 1.020 19,038 +0.01(+0.97%)
Nov 01, 2023 1.080 1.080 1.005 1.010 48,389 -0.07(-6.48%)
Oct 31, 2023 1.110 1.140 1.080 1.080 2,163 +0.02(+1.41%)
Oct 30, 2023 1.120 1.187 1.020 1.065 19,841 -0.02(-1.39%)
Oct 27, 2023 1.070 1.106 1.030 1.080 5,907 +0.01(+0.93%)
Oct 26, 2023 1.060 1.110 1.060 1.070 8,578 -0.05(-4.46%)
Oct 25, 2023 1.040 1.150 1.040 1.120 5,844 +0.11(+10.89%)
Oct 24, 2023 1.112 1.112 1.010 1.010 10,874 -0.05(-4.72%)
Oct 23, 2023 1.120 1.120 1.030 1.060 18,991 -0.03(-2.75%)
Oct 20, 2023 1.210 1.270 1.090 1.090 73,215 -0.02(-1.80%)
Oct 19, 2023 1.180 1.180 1.110 1.110 12,554 -0.04(-3.48%)
Oct 18, 2023 1.290 1.290 1.140 1.150 11,192 -0.01(-0.86%)
Oct 17, 2023 1.100 1.290 1.100 1.160 65,563 +0.00(+0.00%)
Oct 16, 2023 1.100 1.290 1.121 1.160 30,384 +0.01(+0.87%)
Oct 13, 2023 1.150 1.150 1.101 1.150 4,334 -0.02(-1.71%)
Oct 12, 2023 1.250 1.250 1.100 1.170 30,199 -0.05(-4.10%)
Oct 11, 2023 1.250 1.250 1.160 1.220 16,036 +0.07(+6.09%)
Oct 10, 2023 1.160 1.250 1.110 1.150 36,177 +0.00(+0.00%)
Oct 09, 2023 1.110 1.150 1.085 1.150 27,719 +0.06(+5.50%)
Oct 06, 2023 1.100 1.140 1.070 1.090 37,335 +0.03(+2.83%)
Oct 05, 2023 1.070 1.144 1.060 1.060 34,057 +0.00(+0.00%)
Oct 04, 2023 1.017 1.140 1.017 1.060 15,061 +0.00(+0.00%)
Oct 03, 2023 1.050 1.100 1.050 1.060 28,666 +0.02(+1.92%)
Oct 02, 2023 1.100 1.130 1.040 1.040 23,626 -0.04(-3.70%)
Sep 29, 2023 1.080 1.110 1.045 1.080 20,613 +0.04(+3.85%)
Sep 28, 2023 1.030 1.080 1.010 1.040 11,189 +0.01(+0.97%)
Sep 27, 2023 1.030 1.070 1.000 1.030 50,092 +0.01(+0.98%)
Sep 26, 2023 1.140 1.140 0.9900 1.020 95,268 -0.14(-12.07%)
Sep 25, 2023 1.120 1.178 1.160 1.160 20,056 +0.00(+0.00%)
Sep 22, 2023 1.230 1.270 1.160 1.160 19,369 -0.03(-2.52%)
Sep 21, 2023 1.150 1.220 1.150 1.190 24,044 +0.03(+2.59%)
Sep 20, 2023 1.258 1.258 1.150 1.160 61,611 -0.11(-8.66%)
Sep 19, 2023 1.260 1.330 1.250 1.270 34,848 -0.01(-0.77%)
Sep 18, 2023 1.280 1.300 1.260 1.280 22,063 -0.02(-1.55%)
Sep 15, 2023 1.380 1.400 1.290 1.300 73,492 -0.08(-5.80%)
Sep 14, 2023 1.420 1.420 1.340 1.380 22,016 -0.03(-2.13%)
Sep 13, 2023 1.410 1.428 1.280 1.410 92,271 -0.04(-2.76%)
Sep 12, 2023 1.440 1.500 1.440 1.450 15,043 +0.02(+1.75%)
Sep 11, 2023 1.420 1.441 1.410 1.425 12,572 -0.02(-1.72%)
Sep 08, 2023 1.480 1.520 1.410 1.450 42,375 -0.02(-1.36%)
Sep 07, 2023 1.470 1.500 1.470 1.470 17,034 -0.02(-1.34%)
Sep 06, 2023 1.580 1.580 1.470 1.490 10,859 +0.01(+0.68%)
Sep 05, 2023 1.500 1.550 1.480 1.480 1,819 -0.02(-1.33%)
Sep 01, 2023 1.600 1.600 1.500 1.500 13,872 -0.01(-0.66%)
Aug 31, 2023 1.480 1.560 1.470 1.510 44,121 -0.02(-1.31%)
Aug 30, 2023 1.520 1.560 1.470 1.530 13,459 -0.02(-1.29%)
Aug 29, 2023 1.500 1.570 1.500 1.550 21,366 +0.02(+1.61%)
Aug 28, 2023 1.630 1.658 1.420 1.525 363,646 -0.09(-5.84%)
Aug 25, 2023 1.605 1.650 1.580 1.620 16,114 +0.03(+1.89%)
Aug 24, 2023 1.570 1.600 1.570 1.590 4,656 +0.00(+0.00%)
Aug 23, 2023 1.590 1.615 1.590 1.590 4,868 +0.02(+1.27%)
Aug 22, 2023 1.570 1.660 1.570 1.570 8,896 -0.03(-1.88%)
Aug 21, 2023 1.615 1.653 1.580 1.600 15,744 +0.00(+0.00%)
Aug 18, 2023 1.590 1.640 1.590 1.600 9,064 -0.03(-1.84%)
Aug 17, 2023 1.620 1.640 1.551 1.630 12,894 +0.05(+3.16%)
Aug 16, 2023 1.570 1.610 1.560 1.580 20,083 -0.01(-0.63%)
Aug 15, 2023 1.600 1.625 1.570 1.590 20,320 -0.03(-1.85%)
Aug 14, 2023 1.600 1.630 1.570 1.620 17,481 +0.02(+1.25%)
Aug 11, 2023 1.680 1.695 1.600 1.600 9,201 -0.04(-2.74%)
Aug 10, 2023 1.580 1.660 1.580 1.645 24,181 +0.03(+1.86%)
Aug 09, 2023 1.600 1.650 1.580 1.615 20,754 -0.01(-0.92%)
Aug 08, 2023 1.570 1.700 1.570 1.630 26,656 -0.04(-2.40%)
Aug 07, 2023 1.730 1.735 1.660 1.670 18,238 +0.01(+0.60%)
Aug 04, 2023 1.470 1.750 1.470 1.660 112,098 +0.06(+3.75%)
Aug 03, 2023 1.670 1.689 1.600 1.600 25,591 -0.07(-4.19%)
Aug 02, 2023 1.710 1.710 1.670 1.670 17,482 -0.02(-1.18%)
Aug 01, 2023 1.670 1.700 1.670 1.690 19,664 +0.01(+0.60%)
Jul 31, 2023 1.710 1.730 1.660 1.680 36,611 +0.01(+0.60%)
Jul 28, 2023 1.600 1.690 1.600 1.670 10,921 +0.06(+3.73%)
Jul 27, 2023 1.550 1.640 1.550 1.610 18,487 +0.04(+2.55%)
Jul 26, 2023 1.580 1.640 1.520 1.570 48,769 -0.04(-2.48%)
Jul 25, 2023 1.590 1.650 1.582 1.610 8,748 -0.01(-0.62%)
Jul 24, 2023 1.670 1.670 1.616 1.620 10,779 -0.03(-1.82%)
Jul 21, 2023 1.610 1.680 1.610 1.650 11,528 +0.00(+0.00%)
Jul 20, 2023 1.700 1.700 1.600 1.650 40,410 -0.03(-1.79%)
Jul 19, 2023 1.690 1.710 1.630 1.680 21,119 +0.01(+0.60%)
Jul 18, 2023 1.620 1.670 1.620 1.670 14,791 +0.04(+2.45%)
Jul 17, 2023 1.670 1.670 1.610 1.630 44,747 -0.07(-4.12%)
Jul 14, 2023 1.650 1.700 1.650 1.700 12,897 +0.00(+0.00%)
Jul 13, 2023 1.620 1.700 1.620 1.700 14,248 +0.07(+4.29%)
Jul 12, 2023 1.640 1.670 1.611 1.630 9,939 +0.01(+0.62%)
Jul 11, 2023 1.710 1.710 1.525 1.620 27,362 +0.02(+1.25%)
Jul 10, 2023 1.590 1.680 1.580 1.600 9,328 -0.01(-0.62%)
Jul 07, 2023 1.590 1.700 1.590 1.610 24,595 +0.02(+1.26%)
Jul 06, 2023 1.590 1.620 1.590 1.590 1,984 -0.03(-1.85%)
Jul 05, 2023 1.610 1.660 1.570 1.620 4,966 -0.02(-1.22%)
Jul 03, 2023 1.610 1.650 1.610 1.640 1,017 +0.04(+2.50%)
Jun 30, 2023 1.640 1.659 1.600 1.600 14,496 -0.04(-2.44%)
Jun 29, 2023 1.600 1.700 1.600 1.640 15,479 +0.04(+2.50%)
Jun 28, 2023 1.650 1.660 1.600 1.600 29,277 -0.01(-0.62%)
Jun 27, 2023 1.620 1.650 1.600 1.610 27,152 +0.01(+0.63%)
Jun 26, 2023 1.650 1.710 1.600 1.600 17,063 -0.05(-3.03%)
Jun 23, 2023 1.630 1.660 1.620 1.650 42,106 +0.05(+3.12%)
Jun 22, 2023 1.470 1.640 1.460 1.600 72,950 +0.16(+11.11%)
Jun 21, 2023 1.470 1.500 1.430 1.440 200,472 -0.03(-2.04%)
Jun 20, 2023 1.490 1.570 1.450 1.470 249,759 +0.02(+1.38%)
Jun 16, 2023 1.560 1.565 1.450 1.450 181,150 -0.08(-5.23%)
Jun 15, 2023 1.600 1.675 1.520 1.530 201,458 +0.06(+4.08%)
May 08, 2023 1.520 1.570 1.470 1.470 53,727 -0.12(-7.55%)
May 05, 2023 1.500 1.590 1.500 1.590 47,310 +0.17(+11.97%)
May 04, 2023 1.620 1.620 1.420 1.420 68,471 -0.17(-10.69%)
May 03, 2023 1.590 1.660 1.590 1.590 20,833 +0.00(+0.00%)
May 02, 2023 1.590 1.669 1.590 1.590 16,266 +0.00(+0.00%)
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