Deep Fission Inc (FISN)

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Deep Fission Inc Stock (FISN) Price History

The historical daily chart and data for Deep Fission Inc stock (FISN), show that the latest closing stock price as of June 24, 2026, is $9.75.

Deep Fission Inc all-time high stock price is $15.50, occurred on June 22, 2026.
The lowest Deep Fission Inc stock price recorded was $11.53 on June 22, 2026. Since then, Deep Fission Inc's stock price has risen over -15.44% to $9.75 now.
The 52-week high stock price for FISN is $15.50, representing a 58.97% increase from the current share price, occurred on June 22, 2026.
The 52-week low stock price for FISN is $11.53, indicating a 18.26% decrease from the current share price, occurred on June 22, 2026.

The table below shows more information about FISN historical price data:

Daily

Weekly

Monthly

30D

60D

YTD

Date	High	Low	High - Low	Volume	% Change
Jun 24, 2026	$14.57	$9.69	$4.88	1,227,345.0	-21.06%
Jun 23, 2026	$13.25	$11.88	$1.37	802,611.0	+0.16%

Deep Fission Inc Stock (FISN) Year by Year Price History

In this detailed analysis, we present a comprehensive overview of the price movements of Deep Fission Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of FISN shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Deep Fission Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.