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3.65
5.19%
-0.20
After Hours:
3.65
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 October 15, 2026, is $3.65.
- Deep Fission Inc all-time high stock price is $19.00, occurred on June 18, 2026.
- The lowest Deep Fission Inc stock price recorded was $3.55 on October 15, 2026. Since then, Deep Fission Inc's stock price has risen over 2.82% to $3.65 now.
- The 52-week high stock price for FISN is $19.00, representing a 420.55% increase from the current share price, occurred on June 18, 2026.
- The 52-week low stock price for FISN is $3.55, indicating a -2.74% decrease from the current share price, occurred on October 15, 2026.
The table below shows more information about FISN historical price data:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Oct 15, 2026 | $3.85 | $3.55 | $0.30 | 672,327.0 | -5.19% |
| Oct 14, 2026 | $3.98 | $3.62 | $0.355 | 490,703.0 | -3.99% |
| Oct 13, 2026 | $4.20 | $3.96 | $0.2447 | 418,724.0 | -4.07% |
| Oct 12, 2026 | $4.56 | $4.12 | $0.4371 | 417,525.0 | -6.07% |
| Oct 09, 2026 | $4.76 | $4.40 | $0.3649 | 416,496.0 | -4.51% |
| Oct 08, 2026 | $5.08 | $4.61 | $0.47 | 478,895.0 | -8.27% |
| Oct 07, 2026 | $5.46 | $5.06 | $0.40 | 195,016.0 | -7.13% |
| Oct 06, 2026 | $5.85 | $5.40 | $0.4476 | 278,144.0 | +1.77% |
| Oct 05, 2026 | $5.73 | $5.31 | $0.42 | 198,112.0 | -3.50% |
| Oct 02, 2026 | $6.05 | $5.25 | $0.80 | 520,780.0 | +7.53% |
| Oct 01, 2026 | $5.24 | $4.90 | $0.338 | 336,741.0 | +0.97% |
| Sep 30, 2026 | $5.47 | $5.05 | $0.424 | 282,142.0 | -2.19% |
| Sep 29, 2026 | $5.75 | $5.20 | $0.55 | 436,299.0 | -3.23% |
| Sep 28, 2026 | $6.44 | $5.40 | $1.04 | 579,476.0 | -13.28% |
| Sep 25, 2026 | $6.75 | $6.23 | $0.5194 | 581,412.0 | -10.07% |
| Sep 24, 2026 | $7.87 | $6.83 | $1.03 | 709,863.0 | -10.90% |
| Sep 23, 2026 | $8.21 | $7.62 | $0.59 | 316,280.0 | -3.94% |
| Sep 22, 2026 | $8.36 | $7.88 | $0.48 | 407,510.0 | +3.84% |
| Sep 21, 2026 | $8.58 | $7.68 | $0.9024 | 294,175.0 | -7.67% |
| Sep 18, 2026 | $8.79 | $7.95 | $0.8302 | 1,534,812.0 | +4.31% |
| Sep 17, 2026 | $8.24 | $7.01 | $1.23 | 344,079.0 | +14.37% |
| Sep 16, 2026 | $7.38 | $6.90 | $0.48 | 214,637.0 | -0.14% |
| Sep 15, 2026 | $7.57 | $7.04 | $0.5299 | 163,849.0 | -0.70% |
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.
Deep Fission Inc Stock (FISN) Price History 2026
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Oct, 2026 | $6.05 | $3.55 | $2.50 | 4,423,463.0 | -28.85% |
| Sep, 2026 | $8.79 | $5.05 | $3.74 | 8,105,224.0 | -23.55% |
| Aug, 2026 | $10.50 | $6.42 | $4.08 | 4,824,954.0 | -28.69% |
| Jul, 2026 | $12.88 | $8.80 | $4.08 | 3,823,897.0 | -14.76% |
| Jun, 2026 | $19.00 | $7.66 | $11.34 | 8,433,410.0 | +0.00% |
12.21%
0.19%
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