Go Pro

Deep Fission (FISN) Stock Chart & Stock Price History

$7.80 -0.32 (-3.94%)
As of 09/23/2026 04:00 PM Eastern

Deep Fission Stock Price Performance

The Deep Fission (FISN) stock chart highlights key performance trends across multiple timeframes. In the past month, the stock has increased 9.40%, reflecting recent market activity.

As of the latest close, Deep Fission traded at $7.80 with a market cap of $459.50 million and volume of 316,279 shares.

Receive FISN Stock News and Ratings via Email

Sign-up to receive the latest news and ratings for Deep Fission and its competitors with MarketBeat's FREE daily newsletter.

SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
5 Day
Performance
-7.91%
1 Month
Performance
+9.40%
3 Month
Performance
-20.08%

FISN Stock Chart for Thursday, September, 24, 2026

Deep Fission Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/23/2026$8.12$7.80
-3.94%
$8.21$7.62316,279 shs$459.50 million
09/22/2026$7.82$8.12
+3.84%
$8.36$7.88407,174 shs$478.32 million
09/21/2026$8.47$7.82
-7.67%
$8.58$7.68294,277 shs$460.68 million
09/18/2026$8.12$8.47
+4.31%
$8.79$7.951.53 million shs$498.97 million
09/17/2026$7.10$8.12
+14.37%
$8.24$7.01344,125 shs$478.35 million
09/16/2026$7.11$7.10
-0.14%
$7.38$6.90214,638 shs$418.23 million
09/15/2026$7.16$7.11
-0.70%
$7.57$7.04163,863 shs$418.85 million
09/14/2026$7.16$7.16$7.37$6.68244,716 shs$421.80 million
09/11/2026$6.75$7.16
+6.07%
$7.39$6.75221,451 shs$421.80 million
09/10/2026$7.11$6.75
-5.06%
$7.14$6.73190,552 shs$397.62 million
09/09/2026$6.98$7.11
+1.86%
$7.24$6.80205,839 shs$418.85 million
09/08/2026$7.15$6.98
-2.38%
$7.25$6.80257,350 shs$411.19 million
09/07/2026$7.15$7.15$7.38$7.04158,306 shs$421.21 million
09/04/2026$7.14$7.15
+0.14%
$7.38$7.04158,306 shs$421.21 million
09/03/2026$6.97$7.14
+2.44%
$7.45$6.91259,046 shs$420.59 million
09/02/2026$6.39$6.97
+9.08%
$6.98$6.17338,252 shs$410.60 million
09/01/2026$6.71$6.39
-4.77%
$6.84$6.10366,290 shs$376.44 million
08/31/2026$6.56$6.71
+2.29%
$7.03$6.62208,370 shs$395.26 million
08/28/2026$6.93$6.56
-5.34%
$7.10$6.42247,117 shs$386.42 million
08/27/2026$6.89$6.93
+0.58%
$7.24$6.76182,338 shs$408.25 million
08/26/2026$6.93$6.89
-0.58%
$7.33$6.77165,169 shs$405.89 million
08/25/2026$7.13$6.93
-2.81%
$7.41$6.78288,652 shs$408.22 million
08/24/2026$8.25$7.13
-13.58%
$8.21$7.03317,847 shs$420.03 million

This page (NASDAQ:FISN) was last updated on 9/23/2026 by MarketBeat.com Staff.
From Our Partners