Deep Fission, Inc. FISN
2.06 USD -0.02 (-0.96%)
Regular-session close
2.11 +0.05 +2.43%
After hours · Nov 13, 7:42 PM ET
1.93 Day range 2.12
1.50 52-week range 14.56
- YTD
- -85.85%
- 1 year
- -85.85%
FISN price history
| Date | Open | High | Low | Close | Change | Change % | Volume |
|---|---|---|---|---|---|---|---|
| Nov 13, 2026 | 2.07 | 2.12 | 1.93 | 2.06 | -0.02 | -0.96% | 256,962 |
| Nov 12, 2026 | 2.00 | 2.16 | 1.91 | 2.08 | +0.01 | +0.48% | 507,900 |
| Nov 11, 2026 | 2.29 | 2.29 | 2.00 | 2.07 | -0.05 | -2.36% | 713,200 |
| Nov 10, 2026 | 2.70 | 2.73 | 2.03 | 2.12 | -0.71 | -25.09% | 1,406,300 |
| Nov 9, 2026 | 1.90 | 3.00 | 1.85 | 2.83 | +0.98 | +52.97% | 6,300,800 |
| Nov 6, 2026 | 1.59 | 1.85 | 1.46 | 1.85 | +0.35 | +23.33% | 904,300 |
| Nov 5, 2026 | 2.23 | 2.23 | 1.44 | 1.50 | -0.71 | -32.13% | 1,873,000 |
| Nov 4, 2026 | 2.68 | 2.75 | 2.15 | 2.21 | -0.46 | -17.23% | 455,200 |
| Nov 3, 2026 | 2.54 | 2.81 | 2.54 | 2.67 | +0.12 | +4.71% | 307,700 |
| Nov 2, 2026 | 2.71 | 2.80 | 2.45 | 2.55 | -0.12 | -4.49% | 353,000 |
| Oct 30, 2026 | 2.89 | 2.95 | 2.50 | 2.67 | -0.37 | -12.17% | 450,100 |
| Oct 29, 2026 | 3.32 | 3.32 | 2.88 | 3.04 | -0.27 | -8.16% | 564,000 |
| Oct 28, 2026 | 2.72 | 3.41 | 2.61 | 3.31 | +0.62 | +23.05% | 956,100 |
| Oct 27, 2026 | 2.17 | 2.72 | 2.17 | 2.69 | +0.53 | +24.54% | 616,100 |
| Oct 26, 2026 | 2.28 | 2.31 | 2.10 | 2.16 | -0.14 | -6.09% | 407,100 |
| Oct 23, 2026 | 2.41 | 2.48 | 2.25 | 2.30 | -0.11 | -4.56% | 666,100 |
| Oct 22, 2026 | 2.56 | 2.61 | 2.35 | 2.41 | -0.22 | -8.37% | 456,800 |
| Oct 21, 2026 | 2.91 | 2.92 | 2.58 | 2.63 | -0.18 | -6.41% | 895,300 |
| Oct 20, 2026 | 3.62 | 4.13 | 2.80 | 2.81 | -0.85 | -23.22% | 2,123,500 |
| Oct 19, 2026 | 3.59 | 3.81 | 3.39 | 3.66 | +0.21 | +6.09% | 715,000 |
| Oct 16, 2026 | 3.66 | 3.75 | 3.40 | 3.45 | -0.20 | -5.48% | 362,900 |
| Oct 15, 2026 | 3.84 | 3.85 | 3.55 | 3.65 | -0.20 | -5.19% | 690,100 |
| Oct 14, 2026 | 3.95 | 3.98 | 3.63 | 3.85 | -0.16 | -3.99% | 490,500 |
| Oct 13, 2026 | 4.02 | 4.20 | 3.96 | 4.01 | -0.17 | -4.07% | 417,300 |
| Oct 12, 2026 | 4.50 | 4.56 | 4.12 | 4.18 | -0.27 | -6.07% | 417,100 |
| Oct 9, 2026 | 4.70 | 4.77 | 4.40 | 4.45 | -0.21 | -4.51% | 416,500 |
| Oct 8, 2026 | 5.05 | 5.08 | 4.61 | 4.66 | -0.42 | -8.27% | 477,200 |
| Oct 7, 2026 | 5.40 | 5.46 | 5.06 | 5.08 | -0.39 | -7.13% | 194,900 |
| Oct 6, 2026 | 5.40 | 5.85 | 5.40 | 5.47 | +0.09 | +1.67% | 277,700 |
| Oct 5, 2026 | 5.60 | 5.73 | 5.31 | 5.38 | -0.19 | -3.41% | 197,000 |
| Oct 2, 2026 | 5.44 | 6.05 | 5.25 | 5.57 | +0.39 | +7.53% | 520,700 |
| Oct 1, 2026 | 5.15 | 5.24 | 4.90 | 5.18 | +0.05 | +0.97% | 336,500 |
| Sep 30, 2026 | 5.29 | 5.47 | 5.05 | 5.13 | -0.12 | -2.29% | 281,900 |
| Sep 29, 2026 | 5.64 | 5.75 | 5.20 | 5.25 | -0.17 | -3.14% | 436,600 |
| Sep 28, 2026 | 6.30 | 6.44 | 5.40 | 5.42 | -0.83 | -13.28% | 579,100 |
| Sep 25, 2026 | 6.64 | 6.75 | 6.23 | 6.25 | -0.70 | -10.07% | 578,000 |
| Sep 24, 2026 | 7.77 | 7.87 | 6.84 | 6.95 | -0.85 | -10.90% | 710,100 |
| Sep 23, 2026 | 8.15 | 8.21 | 7.62 | 7.80 | -0.32 | -3.94% | 316,300 |
| Sep 22, 2026 | 7.97 | 8.36 | 7.88 | 8.12 | +0.30 | +3.84% | 407,200 |
| Sep 21, 2026 | 8.47 | 8.58 | 7.68 | 7.82 | -0.65 | -7.67% | 294,300 |
| Sep 18, 2026 | 8.15 | 8.79 | 7.95 | 8.47 | +0.35 | +4.31% | 1,534,800 |
| Sep 17, 2026 | 7.19 | 8.24 | 7.01 | 8.12 | +1.02 | +14.37% | 344,100 |
| Sep 16, 2026 | 7.13 | 7.38 | 6.90 | 7.10 | -0.01 | -0.14% | 214,600 |
| Sep 15, 2026 | 7.18 | 7.57 | 7.04 | 7.11 | -0.05 | -0.70% | 164,000 |
| Sep 14, 2026 | 7.11 | 7.37 | 6.68 | 7.16 | 0.00 | 0.00% | 244,700 |
| Sep 11, 2026 | 6.89 | 7.39 | 6.75 | 7.16 | +0.41 | +6.07% | 221,500 |
| Sep 10, 2026 | 7.00 | 7.14 | 6.73 | 6.75 | -0.36 | -5.06% | 190,600 |
| Sep 9, 2026 | 6.92 | 7.24 | 6.80 | 7.11 | +0.13 | +1.86% | 205,800 |
| Sep 8, 2026 | 7.19 | 7.25 | 6.80 | 6.98 | -0.17 | -2.38% | 257,400 |
| Sep 4, 2026 | 7.20 | 7.38 | 7.04 | 7.15 | +0.01 | +0.14% | 158,300 |
| Sep 3, 2026 | 6.97 | 7.45 | 6.91 | 7.14 | +0.17 | +2.44% | 259,100 |
| Sep 2, 2026 | 6.38 | 6.98 | 6.17 | 6.97 | +0.58 | +9.08% | 338,300 |
| Sep 1, 2026 | 6.70 | 6.84 | 6.10 | 6.39 | -0.32 | -4.77% | 366,300 |
| Aug 31, 2026 | 6.77 | 7.03 | 6.62 | 6.71 | +0.15 | +2.29% | 208,400 |
| Aug 28, 2026 | 6.86 | 7.10 | 6.42 | 6.56 | -0.37 | -5.34% | 247,100 |
| Aug 27, 2026 | 6.93 | 7.24 | 6.76 | 6.93 | +0.04 | +0.58% | 182,600 |
| Aug 26, 2026 | 6.98 | 7.33 | 6.77 | 6.89 | -0.04 | -0.58% | 165,200 |
| Aug 25, 2026 | 7.28 | 7.41 | 6.78 | 6.93 | -0.20 | -2.81% | 288,800 |
| Aug 24, 2026 | 8.20 | 8.21 | 7.03 | 7.13 | -1.12 | -13.58% | 318,000 |
| Aug 21, 2026 | 7.83 | 8.30 | 7.83 | 8.25 | +0.48 | +6.18% | 145,300 |
| Aug 20, 2026 | 8.02 | 8.03 | 7.68 | 7.77 | -0.23 | -2.88% | 122,900 |
| Aug 19, 2026 | 7.98 | 8.34 | 7.81 | 8.00 | +0.18 | +2.30% | 196,600 |
| Aug 18, 2026 | 8.03 | 8.24 | 7.64 | 7.82 | -0.30 | -3.69% | 236,300 |
| Aug 17, 2026 | 8.75 | 9.05 | 8.02 | 8.12 | -0.52 | -6.02% | 188,700 |
| Aug 14, 2026 | 8.26 | 8.87 | 8.20 | 8.64 | +0.39 | +4.73% | 183,100 |
65 days, newest first. Daily bars as drawn on the FISN chart; change is against the previous day's close. Open, high, low and volume are in the download and on a wider screen.