
stockNASDAQ: FISN • 28 Days Updates
Deep Fission Inc. (FISN)
Showing Closing Date Range from Sep 10 to Oct 8, 2026.
Investor Relations:deepfission.com/investors
Price & Performance Trajectory
Deep Fission Inc.NASDAQ: FISN
Latest Close
$4.66
28 Days Updates Trajectory
Showing Closing Date Range from Sep 10 to Oct 8, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesFISN session performance
✓ Latest Close USD
$4.66
Latest session close
$-2.09vs period start
Period Return % % GAIN
-30.96%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$8.79 / $4.61
Period range envelope
$4.18channel spread
Total Volume SHARES
8.12M
Period turnover
Avg: 405.9K/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(20 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 08, 2026 | $4.66 | -8.27% | $5.08 | $4.61 | 476.1K |
| Oct 07, 2026 | $5.08 | -7.13% | $5.46 | $5.06 | 194.3K |
| Oct 06, 2026 | $5.47 | +1.77% | $5.85 | $5.40 | 277.6K |
| Oct 05, 2026 | $5.38 | -3.50% | $5.73 | $5.31 | 196.7K |
| Oct 02, 2026 | $5.57 | +7.53% | $6.05 | $5.25 | 520.3K |
| Sep 30, 2026 | $5.12 | -2.48% | $5.47 | $5.05 | 216.8K |
| Sep 29, 2026 | $5.25 | -3.14% | $5.75 | $5.20 | 436.6K |
| Sep 28, 2026 | $5.42 | -13.28% | $6.44 | $5.40 | 579.1K |
| Sep 25, 2026 | $6.25 | -10.07% | $6.75 | $6.23 | 578.0K |
| Sep 24, 2026 | $6.95 | -10.90% | $7.87 | $6.84 | 710.1K |
| Sep 23, 2026 | $7.80 | -3.94% | $8.21 | $7.62 | 316.3K |
| Sep 22, 2026 | $8.12 | +3.84% | $8.35 | $7.88 | 406.7K |
| Sep 21, 2026 | $7.82 | -7.67% | $8.58 | $7.68 | 294.3K |
| Sep 18, 2026 | $8.47 | +4.31% | $8.79 | $7.95 | 1.53M |
| Sep 17, 2026 | $8.12 | +14.37% | $8.24 | $7.01 | 344.1K |
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