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

4.130 -0.050 (-1.20%)
Streaming Delayed Price Updated: 12:57 PM EDT, Oct 3, 2025 Add to My Watchlist

Historical Prices

Date Open High Low Close Volume Change (%)
Oct 03, 2025 4.170 4.170 4.130 4.130 210 -0.05(-1.20%)
Oct 02, 2025 4.180 4.180 4.180 4.180 597 +0.02(+0.48%)
Oct 01, 2025 4.160 4.160 4.160 4.160 286 -0.02(-0.48%)
Sep 30, 2025 4.180 4.255 4.160 4.180 5,332 +0.01(+0.24%)
Sep 29, 2025 4.235 4.235 4.170 4.170 1,297 -0.18(-4.14%)
Sep 26, 2025 4.180 4.350 4.150 4.350 9,033 +0.07(+1.64%)
Sep 25, 2025 4.214 4.316 4.214 4.280 392 -0.01(-0.23%)
Sep 24, 2025 4.285 4.290 4.250 4.290 1,581 +0.08(+1.80%)
Sep 23, 2025 4.214 4.214 4.214 4.214 1,331 -0.10(-2.36%)
Sep 22, 2025 4.180 4.316 4.160 4.316 1,062 +0.11(+2.62%)
Sep 19, 2025 4.240 4.250 4.200 4.206 10,051 -0.04(-0.99%)
Sep 18, 2025 4.205 4.248 4.170 4.248 3,121 -0.03(-0.75%)
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%)
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