York Space Systems, Inc. (YSS)
NYSE: YSS · Real-Time Price · USD
8.55
-0.21 (-2.40%)
At close: Sep 18, 2026, 4:00 PM EDT
8.54
-0.01 (-0.13%)
After-hours: Sep 18, 2026, 7:48 PM EDT
York Space Systems Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 18, 2026 | 8.76 | 8.97 | 8.23 | 8.55 | 8.55 | -2.40% | 18,127,424 |
| Sep 17, 2026 | 8.45 | 9.10 | 8.24 | 8.76 | 8.76 | 6.44% | 4,247,811 |
| Sep 16, 2026 | 7.86 | 8.42 | 7.80 | 8.23 | 8.23 | 5.92% | 4,236,999 |
| Sep 15, 2026 | 7.70 | 7.99 | 7.51 | 7.77 | 7.77 | 0.78% | 2,618,325 |
| Sep 14, 2026 | 7.79 | 8.18 | 7.66 | 7.71 | 7.71 | -2.16% | 2,580,159 |
| Sep 11, 2026 | 7.66 | 8.14 | 7.65 | 7.88 | 7.88 | 5.77% | 3,160,168 |
| Sep 10, 2026 | 7.98 | 8.25 | 7.45 | 7.45 | 7.45 | -7.68% | 3,609,623 |
| Sep 9, 2026 | 8.80 | 9.08 | 8.05 | 8.07 | 8.07 | -9.63% | 2,944,177 |
| Sep 8, 2026 | 8.94 | 9.23 | 8.71 | 8.93 | 8.93 | -0.33% | 2,826,245 |
| Sep 4, 2026 | 8.46 | 8.97 | 8.46 | 8.96 | 8.96 | 5.29% | 2,650,526 |
| Sep 3, 2026 | 8.84 | 9.00 | 8.38 | 8.51 | 8.51 | -1.85% | 2,674,145 |
| Sep 2, 2026 | 8.78 | 8.81 | 8.38 | 8.67 | 8.67 | -1.70% | 2,981,590 |
| Sep 1, 2026 | 8.85 | 8.99 | 8.61 | 8.82 | 8.82 | -2.97% | 2,505,985 |
| Aug 31, 2026 | 8.95 | 9.29 | 8.93 | 9.09 | 9.09 | 1.34% | 1,908,364 |
| Aug 28, 2026 | 9.18 | 9.39 | 8.95 | 8.97 | 8.97 | -2.39% | 2,154,437 |
| Aug 27, 2026 | 9.27 | 9.40 | 9.02 | 9.19 | 9.19 | 0.66% | 2,044,543 |
| Aug 26, 2026 | 9.20 | 9.55 | 9.09 | 9.13 | 9.13 | -2.04% | 1,956,178 |
| Aug 25, 2026 | 10.00 | 10.08 | 9.13 | 9.32 | 9.32 | -4.51% | 2,919,683 |
| Aug 24, 2026 | 9.22 | 9.83 | 9.11 | 9.76 | 9.76 | 4.72% | 3,251,206 |
| Aug 21, 2026 | 9.26 | 9.75 | 9.15 | 9.32 | 9.32 | 1.30% | 2,424,101 |
| Aug 20, 2026 | 9.99 | 10.00 | 8.89 | 9.20 | 9.20 | -9.63% | 5,448,758 |
| Aug 19, 2026 | 10.32 | 10.44 | 9.88 | 10.18 | 10.18 | -2.30% | 3,766,389 |
| Aug 18, 2026 | 10.24 | 10.74 | 9.40 | 10.42 | 10.42 | -2.25% | 5,007,966 |
| Aug 17, 2026 | 10.36 | 11.73 | 10.36 | 10.66 | 10.66 | -2.47% | 4,347,073 |
| Aug 14, 2026 | 10.06 | 11.24 | 9.63 | 10.93 | 10.93 | -5.04% | 6,582,745 |
| Aug 13, 2026 | 10.87 | 11.89 | 10.76 | 11.51 | 11.51 | 4.26% | 3,464,085 |
| Aug 12, 2026 | 10.70 | 11.36 | 10.50 | 11.04 | 11.04 | 4.15% | 2,638,187 |
| Aug 11, 2026 | 10.51 | 10.62 | 10.01 | 10.60 | 10.60 | 1.15% | 3,723,840 |
| Aug 10, 2026 | 11.27 | 11.93 | 10.23 | 10.48 | 10.48 | -8.15% | 3,043,235 |
| Aug 7, 2026 | 11.25 | 11.80 | 10.48 | 11.41 | 11.41 | 4.78% | 3,919,110 |
| Aug 6, 2026 | 13.10 | 13.10 | 10.81 | 10.89 | 10.89 | -17.19% | 4,007,010 |
| Aug 5, 2026 | 15.00 | 15.17 | 13.11 | 13.15 | 13.15 | -14.11% | 2,335,630 |
| Aug 4, 2026 | 14.97 | 16.00 | 14.61 | 15.31 | 15.31 | 7.21% | 4,769,454 |
| Aug 3, 2026 | 14.66 | 15.16 | 13.88 | 14.28 | 14.28 | -3.05% | 1,904,540 |
| Jul 31, 2026 | 15.41 | 15.68 | 14.68 | 14.73 | 14.73 | -3.47% | 1,371,112 |
| Jul 30, 2026 | 15.04 | 15.65 | 14.31 | 15.26 | 15.26 | 1.60% | 2,103,371 |
| Jul 29, 2026 | 17.37 | 17.48 | 14.42 | 15.02 | 15.02 | -15.67% | 4,287,833 |
| Jul 28, 2026 | 18.29 | 18.32 | 16.94 | 17.81 | 17.81 | -5.62% | 2,067,255 |
| Jul 27, 2026 | 17.33 | 18.95 | 17.27 | 18.87 | 18.87 | 10.61% | 791,226 |
| Jul 24, 2026 | 17.96 | 17.98 | 16.53 | 17.06 | 17.06 | -3.18% | 705,248 |
| Jul 23, 2026 | 17.47 | 18.59 | 17.33 | 17.62 | 17.62 | -0.56% | 850,131 |
| Jul 22, 2026 | 18.11 | 18.82 | 17.54 | 17.72 | 17.72 | -1.45% | 1,181,343 |
| Jul 21, 2026 | 17.22 | 18.81 | 17.00 | 17.98 | 17.98 | 3.21% | 1,017,267 |
| Jul 20, 2026 | 18.25 | 18.49 | 17.16 | 17.42 | 17.42 | -2.84% | 922,031 |
| Jul 17, 2026 | 17.97 | 18.96 | 17.62 | 17.93 | 17.93 | -3.24% | 831,412 |
| Jul 16, 2026 | 19.05 | 19.15 | 17.36 | 18.53 | 18.53 | -3.84% | 1,081,932 |
| Jul 15, 2026 | 21.10 | 21.77 | 19.16 | 19.27 | 19.27 | -9.36% | 708,551 |
| Jul 14, 2026 | 19.45 | 21.95 | 19.40 | 21.26 | 21.26 | 11.13% | 1,564,189 |
| Jul 13, 2026 | 20.12 | 20.48 | 18.81 | 19.13 | 19.13 | -3.82% | 1,109,900 |
| Jul 10, 2026 | 20.48 | 21.29 | 19.52 | 19.89 | 19.89 | -3.35% | 764,628 |