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Rubicon Technology, Inc. - Common Stock (OP:RBCN)

4.280 UNCHANGED
Streaming Delayed Price Updated: 12:05 PM EDT, Sep 17, 2025 Add to My Watchlist
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Historical Prices

Month:
Year:
Range:
Date Open High Low Close Volume Change (%)
Sep 17, 2025 4.280 4.280 4.280 4.280 462 -0.03(-0.70%)
Sep 16, 2025 4.310 4.310 4.310 4.310 131 +0.05(+1.17%)
Sep 15, 2025 4.210 4.370 4.210 4.260 10,836 +0.02(+0.50%)
Sep 12, 2025 4.130 4.239 4.130 4.239 1,276 +0.01(+0.26%)
Sep 11, 2025 4.250 4.258 4.228 4.228 666 -0.02(-0.52%)
Sep 10, 2025 4.261 4.280 4.250 4.250 6,797 -0.01(-0.23%)
Sep 08, 2025 4.260 45 -0.09(-2.07%)
Sep 05, 2025 4.080 4.350 4.080 4.350 327 +0.20(+4.82%)
Sep 03, 2025 4.150 52 +0.00(+0.00%)
Aug 29, 2025 4.150 6 -0.13(-3.06%)
Aug 28, 2025 4.250 4.281 4.250 4.281 420 -0.01(-0.21%)
Aug 27, 2025 4.330 4.330 4.250 4.290 3,858 -0.04(-0.92%)
Aug 26, 2025 4.320 4.350 4.310 4.330 2,419 -0.01(-0.23%)
Aug 25, 2025 4.310 4.365 4.310 4.340 9,732 +0.00(+0.00%)
Aug 22, 2025 4.360 4.360 4.310 4.340 25,620 -0.03(-0.69%)
Aug 21, 2025 3.750 4.540 3.750 4.370 116,921 +1.11(+34.05%)
Aug 19, 2025 3.260 1 -0.19(-5.51%)
Aug 18, 2025 3.450 3.450 3.450 3.450 1,507 -0.08(-2.27%)
Aug 15, 2025 3.530 3.530 3.250 3.530 1,847 +0.43(+13.87%)
Aug 14, 2025 3.100 3.100 3.100 3.100 1,025 -0.15(-4.62%)
Aug 13, 2025 3.100 3.250 3.100 3.250 221 +0.15(+4.84%)
Aug 12, 2025 3.200 3.200 3.100 3.100 1,987 -0.10(-3.13%)
Aug 11, 2025 3.160 3.200 3.160 3.200 200 +0.10(+3.23%)
Aug 08, 2025 3.530 3.530 3.100 3.100 11,763 -0.30(-8.82%)
Aug 07, 2025 3.530 3.530 3.400 3.400 510 -0.10(-2.86%)
Aug 06, 2025 3.500 3.500 3.320 3.500 719 -0.10(-2.78%)
Aug 05, 2025 3.400 5.510 3.400 3.600 89,787 +0.30(+9.09%)
Aug 04, 2025 3.400 3.400 3.300 3.300 758 +0.05(+1.54%)
Aug 01, 2025 3.460 3.490 3.210 3.250 3,655 +0.04(+1.33%)
Jul 30, 2025 3.208 52 +0.06(+1.83%)
Jul 29, 2025 3.190 3.190 3.150 3.150 1,890 -0.01(-0.32%)
Jul 28, 2025 3.460 3.460 3.150 3.160 692 -0.29(-8.41%)
Jul 25, 2025 3.250 3.480 3.250 3.450 1,267 +0.19(+5.83%)
Jul 24, 2025 3.310 3.310 3.260 3.260 1,595 +0.00(+0.00%)
Jul 23, 2025 3.170 4.470 3.000 3.260 6,688 +0.46(+16.43%)
Jul 22, 2025 2.650 2.830 2.550 2.800 4,769 +0.29(+11.55%)
Jul 21, 2025 2.460 2.620 2.350 2.510 5,782 +0.13(+5.46%)
Jul 18, 2025 2.230 2.380 2.200 2.380 2,293 +0.34(+16.67%)
Jul 17, 2025 2.030 2.040 2.030 2.040 340 +0.00(+0.00%)
Jul 16, 2025 2.040 2.040 2.040 2.040 200 -0.07(-3.32%)
Jul 14, 2025 2.110 6 +0.00(+0.00%)
Jul 11, 2025 2.110 2.110 2.110 2.110 542 -0.19(-8.26%)
Jul 10, 2025 2.300 2.300 2.300 2.300 408 +0.00(+0.00%)
Jul 09, 2025 2.300 2.300 2.300 2.300 105 +0.01(+0.44%)
Jul 08, 2025 2.260 2.290 2.250 2.290 710 -0.01(-0.26%)
Jul 07, 2025 2.350 2.350 2.296 2.296 655 -0.05(-2.30%)
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