stockNASDAQ: FISN • 28 Days Updates

Deep Fission Inc. (FISN)

Showing Closing Date Range from Sep 10 to Oct 8, 2026.

Price & Performance Trajectory

Deep Fission Inc.NASDAQ: FISN

Latest Close
$4.66
-30.96%
28 Days Updates Trajectory
Showing Closing Date Range from Sep 10 to Oct 8, 2026.
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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)
DateClose (USD)Return %HighLowVolume
Oct 08, 2026$4.66-8.27% $5.08$4.61476.1K
Oct 07, 2026$5.08-7.13% $5.46$5.06194.3K
Oct 06, 2026$5.47+1.77% $5.85$5.40277.6K
Oct 05, 2026$5.38-3.50% $5.73$5.31196.7K
Oct 02, 2026$5.57+7.53% $6.05$5.25520.3K
Sep 30, 2026$5.12-2.48% $5.47$5.05216.8K
Sep 29, 2026$5.25-3.14% $5.75$5.20436.6K
Sep 28, 2026$5.42-13.28% $6.44$5.40579.1K
Sep 25, 2026$6.25-10.07% $6.75$6.23578.0K
Sep 24, 2026$6.95-10.90% $7.87$6.84710.1K
Sep 23, 2026$7.80-3.94% $8.21$7.62316.3K
Sep 22, 2026$8.12+3.84% $8.35$7.88406.7K
Sep 21, 2026$7.82-7.67% $8.58$7.68294.3K
Sep 18, 2026$8.47+4.31% $8.79$7.951.53M
Sep 17, 2026$8.12+14.37% $8.24$7.01344.1K
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