FISN

NASD Deep Fission, Inc.
Oct 2, 2026 · 4:03 PM ET LAST TRADE Market Closed

$5.51 ↑ +0.33 (+6.27%) Trading Up from the previous close of $5.18, $0.55 below the day’s high of $6.05

YTD change
-62.19%
vs 20-day SMA
-20.31%
vs 200-day SMA
N/A

Price ranges

Previous day
$4.90 $5.24
open $5.15 close $5.18
+$0.03 (+0.58%)
Today
$5.25 $6.05
open $5.25 now $5.51
+$0.26 (+4.86%)
Past week
$4.90 $6.95
from $6.95 now $5.51
-$1.45 (-20.79%)
Past month
$4.90 $8.79
from $6.97 now $5.51
-$1.47 (-21.02%)
This year
$4.90 $19.00
from $14.56 now $5.51
-$9.06 (-62.19%)

Price & Performance

-9.38 (-64.42%) / 6M

$4.38$8.02$11.67$15.31Jun 18Aug 11Oct 1

Signals & Sentiment

Momentum, market sentiment, and recent alerts

Not So Good
  • The stock is 71.0% away from all-time highs of $19.00
  • FISN is down 62% since the beginning of the year
  • FISN is down 62% over the past 12 months
  • FISN is down 21% over the past 1 month
  • 4% of all FISN investors are betting against FISN

FISN reads not so good: the 12-month move is -64.4%.

Financial Strength

Earnings, valuation, and balance sheet

Earnings

Profitable No
EPS $-0.56
Earnings momentum +14.1% Quarterly EPS growth
Quarterly change +14.1%

Valuation

P/E ratio N/A
Enterprise value $192.4M

Balance sheet & scale

IncomeN/A
RevenueN/A
Cash$93.0M
Debt$56.0
Income / Debt N/A

Company & Peers

Company profile and competitor comparison

Company profile

ExchangeNASD
Market cap $324.3M

Deep Fission, Inc. engages in the provision of energy through nuclear reactors. The company was founded by Elizabeth Muller and Richard A. Muller in 2023 and is headquartered in Berkeley, CA.

Competitor comparison

No peer group available for this symbol.

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Prices and alerts are delayed by at least 20 minutes. Chart history reflects daily closing prices. Information is provided for research purposes only and is not investment advice.