sharethestock
/

Deep Fission, Inc. Common Stock (FISN)

XNAS: FISN · USD
$4.18at end of selection
−71.29%

−$10.38 per share

Jun 18, 2026 – Oct 12, 2026

Edit dates
→

Intraday times are shown in Eastern Time.

15-min delayed · Oct 12, 2026Drag to select ↔

Deep Fission, Inc. Common Stock (FISN) price history

Deep Fission, Inc. Common Stock trades under FISN on XNAS. Over Jun 18, 2026 – Oct 12, 2026, the available closing prices moved from $14.56 to $4.18, a change of −71.29%.

Prices through . 15-min delayed. Split-adjusted price change in USD; dividends are not included. These are historical observations, not a live quote.

Select dates in the chart to measure a price change, compare other assets, or calculate a hypothetical position’s gain or loss.

Browse all stock and ETF charts →