FISN
DEEP FISSION, INC.
NASDAQ · Utilities · Independent Power Producers · US
$2.67
−12.17%Price chart
Oct 1Oct 6Oct 9Oct 14Oct 19Oct 22Oct 27Oct 30
Key dataOct 30, 2026
Open$2.89
From 52W high−81.66%
Volume450148.00
Market cap$157.28M
P/E (TTM)—
P/S (TTM)—
Div yield—
Key dataOct 30, 2026
Open
$2.89
From 52W high
−81.66%
Volume
450148.00
Market cap
$157.28M
ValuationView details →
P/E (Fwd)
—
EV/EBITDA
−0.9x
P/E (TTM)
—
RSI (14)
32.6
MomentumView details →
1D Return
−12.17%
YTD Return
—
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Latest newsMore news →
Deep Fission announced a binding 25-year Master Energy Purchase Agreement with the Great Plains Development Authority for a planned commercial project at the Great Plains Industrial Park in Parsons, Kansas.11d agoJohnson Fistel, PLLP announced an investigation into Deep Fission, Inc. on behalf of investors who may have suffered losses following a short-seller report questioning the company's projected funding needs and path to commercial deployment.26d agoDeep Fission, Inc. announced it will host a business update call on October 20, 2026 to discuss progress toward commercial deployment of its small modular pressurized water reactors.30d ago