Deep Fission, Inc. (FISN)
NASDAQ: FISN · Real-Time Price · USD
6.89
-0.04 (-0.58%)
At close: Aug 26, 2026, 4:00 PM EDT
7.06
+0.17 (2.47%)
Pre-market: Aug 27, 2026, 7:16 AM EDT
Deep Fission Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 26, 2026 | 6.98 | 7.33 | 6.77 | 6.89 | 6.89 | -0.58% | 162,960 |
| Aug 25, 2026 | 7.28 | 7.41 | 6.78 | 6.93 | 6.93 | -2.81% | 288,642 |
| Aug 24, 2026 | 8.20 | 8.21 | 7.03 | 7.13 | 7.13 | -13.58% | 317,426 |
| Aug 21, 2026 | 7.83 | 8.30 | 7.83 | 8.25 | 8.25 | 6.18% | 143,675 |
| Aug 20, 2026 | 8.02 | 8.03 | 7.68 | 7.77 | 7.77 | -2.88% | 122,855 |
| Aug 19, 2026 | 7.98 | 8.34 | 7.81 | 8.00 | 8.00 | 2.30% | 196,640 |
| Aug 18, 2026 | 8.03 | 8.24 | 7.64 | 7.82 | 7.82 | -3.69% | 236,323 |
| Aug 17, 2026 | 8.75 | 9.05 | 8.02 | 8.12 | 8.12 | -6.02% | 188,720 |
| Aug 14, 2026 | 8.26 | 8.87 | 8.20 | 8.64 | 8.64 | 4.73% | 183,179 |
| Aug 13, 2026 | 8.40 | 8.69 | 8.10 | 8.25 | 8.25 | -1.08% | 202,977 |
| Aug 12, 2026 | 8.26 | 8.88 | 8.20 | 8.34 | 8.34 | 1.09% | 172,545 |
| Aug 11, 2026 | 8.12 | 8.41 | 7.77 | 8.25 | 8.25 | 3.77% | 215,159 |
| Aug 10, 2026 | 9.10 | 9.20 | 7.91 | 7.95 | 7.95 | -11.57% | 407,947 |
| Aug 7, 2026 | 9.25 | 9.55 | 8.76 | 8.99 | 8.99 | -2.49% | 181,136 |
| Aug 6, 2026 | 8.61 | 9.54 | 8.52 | 9.22 | 9.22 | 5.98% | 252,396 |
| Aug 5, 2026 | 9.03 | 9.20 | 8.40 | 8.70 | 8.70 | -4.40% | 425,166 |
| Aug 4, 2026 | 9.62 | 10.50 | 8.82 | 9.10 | 9.10 | -8.27% | 295,555 |
| Aug 3, 2026 | 9.53 | 10.11 | 9.40 | 9.92 | 9.92 | 5.42% | 198,687 |
| Jul 31, 2026 | 9.75 | 10.02 | 9.41 | 9.41 | 9.41 | -2.18% | 53,894 |
| Jul 30, 2026 | 9.53 | 9.70 | 9.30 | 9.62 | 9.62 | -1.03% | 84,001 |
| Jul 29, 2026 | 10.19 | 10.19 | 9.55 | 9.72 | 9.72 | -1.72% | 122,455 |
| Jul 28, 2026 | 9.84 | 10.00 | 8.80 | 9.89 | 9.89 | 1.02% | 320,117 |
| Jul 27, 2026 | 10.27 | 10.29 | 9.54 | 9.79 | 9.79 | -4.58% | 189,849 |
| Jul 24, 2026 | 10.55 | 10.65 | 10.08 | 10.26 | 10.26 | -3.84% | 70,190 |
| Jul 23, 2026 | 11.50 | 11.50 | 10.40 | 10.67 | 10.67 | -7.78% | 133,085 |
| Jul 22, 2026 | 11.16 | 11.85 | 11.10 | 11.57 | 11.57 | 5.37% | 131,444 |
| Jul 21, 2026 | 10.32 | 11.17 | 10.31 | 10.98 | 10.98 | 6.50% | 115,772 |
| Jul 20, 2026 | 10.62 | 11.32 | 10.27 | 10.31 | 10.31 | -3.19% | 117,596 |
| Jul 17, 2026 | 10.29 | 10.75 | 10.10 | 10.65 | 10.65 | 1.33% | 135,965 |
| Jul 16, 2026 | 12.12 | 12.42 | 10.38 | 10.51 | 10.51 | -13.57% | 197,879 |
| Jul 15, 2026 | 10.87 | 12.88 | 10.73 | 12.16 | 12.16 | 14.18% | 425,818 |
| Jul 14, 2026 | 10.56 | 10.72 | 10.20 | 10.65 | 10.65 | 2.70% | 94,004 |
| Jul 13, 2026 | 11.35 | 11.59 | 10.31 | 10.37 | 10.37 | -6.66% | 137,815 |
| Jul 10, 2026 | 11.12 | 11.62 | 10.55 | 11.11 | 11.11 | -0.27% | 99,486 |
| Jul 9, 2026 | 10.88 | 11.76 | 10.50 | 11.14 | 11.14 | 1.36% | 254,503 |
| Jul 8, 2026 | 10.41 | 11.29 | 9.95 | 10.99 | 10.99 | 5.98% | 142,979 |
| Jul 7, 2026 | 9.70 | 10.51 | 9.61 | 10.37 | 10.37 | 4.96% | 245,865 |
| Jul 6, 2026 | 10.40 | 10.58 | 9.20 | 9.88 | 9.88 | -3.98% | 376,881 |
| Jul 2, 2026 | 10.40 | 10.59 | 10.04 | 10.29 | 10.29 | -1.91% | 144,588 |
| Jul 1, 2026 | 10.80 | 10.80 | 9.91 | 10.49 | 10.49 | -4.98% | 238,844 |
| Jun 30, 2026 | 11.22 | 11.22 | 10.50 | 11.04 | 11.04 | -0.09% | 231,255 |
| Jun 29, 2026 | 11.24 | 11.24 | 9.64 | 11.05 | 11.05 | 2.79% | 277,711 |
| Jun 26, 2026 | 10.40 | 11.43 | 9.74 | 10.75 | 10.75 | 7.18% | 591,918 |
| Jun 25, 2026 | 10.03 | 10.48 | 7.66 | 10.03 | 10.03 | 2.77% | 823,666 |
| Jun 24, 2026 | 14.50 | 14.57 | 9.56 | 9.76 | 9.76 | -21.54% | 1,339,008 |
| Jun 23, 2026 | 12.00 | 13.25 | 11.88 | 12.44 | 12.44 | 0.16% | 805,261 |
| Jun 22, 2026 | 13.61 | 15.50 | 11.53 | 12.42 | 12.42 | -14.70% | 1,609,217 |