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

4.350 UNCHANGED
Streaming Delayed Price Updated: 9:52 AM EDT, Oct 29, 2025 Add to My Watchlist

Historical Prices

Date Open High Low Close Volume Change (%)
Oct 29, 2025 4.350 1 +0.05(+1.16%)
Oct 28, 2025 4.320 4.340 4.300 4.300 32,603 +0.10(+2.38%)
Oct 27, 2025 4.200 4.200 4.200 4.200 117 +0.01(+0.24%)
Oct 24, 2025 4.210 4.210 4.180 4.190 782 -0.06(-1.41%)
Oct 22, 2025 4.250 46 -0.01(-0.23%)
Oct 21, 2025 4.290 4.290 4.260 4.260 628 -0.02(-0.35%)
Oct 20, 2025 4.275 4.275 4.275 4.275 191 +0.02(+0.35%)
Oct 17, 2025 4.260 4.260 4.260 4.260 729 -0.01(-0.32%)
Oct 16, 2025 4.340 4.340 4.274 4.274 500 -0.03(-0.61%)
Oct 15, 2025 4.170 4.345 4.170 4.300 1,253 +0.15(+3.61%)
Oct 13, 2025 4.150 0 -0.03(-0.72%)
Oct 09, 2025 4.180 20 +0.00(+0.00%)
Oct 08, 2025 4.180 4.200 4.150 4.180 5,585 +0.05(+1.21%)
Oct 03, 2025 4.130 46 -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%)
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