No.3
Disclosure
2026/11/05 06:41
四半期報告書（10-Q）
FISN DEEP FISSION, INC.US-listed
3 posts
DEEP FISSION, INC. stock surged on Nov 6: what happened
It closed at $1.85 on Nov 6 (+$0.35, +23.33%), ranking #44 among the top gainers of 5,527 US stocks priced $1 or more.
No disclosures were found for this stock around that day. Share what you know in the posts below.
Changes are calculated from the closing prices this site collects daily. Please make your own investment decisions.
DEEP FISSION, INC. (FISN) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
DEEP FISSION, INC. (FISN) Stock Price History
DEEP FISSION, INC. closed at $1.85 on Nov 6, 2026, −66.2% over 1 month.
Price5-day MA25-day MAS&P 500Disclosures
1-Month High$5.47Oct 6
1-Month Low$1.50Nov 5
1-Week Change−30.7%vs Oct 30
1-Month Change−66.2%vs Oct 6
If you had invested $1,000 1 month ago, it would be worth $338 today (−66.2%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −5.7%, while this stock moved −66.2%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $1.85 | +0.35 | +23.33% |
| Nov 5 (Thu) | $1.50 | −0.71 | −32.13% |
| Nov 4 (Wed) | $2.21 | −0.46 | −17.23% |
| Nov 3 (Tue) | $2.67 | +0.12 | +4.71% |
| Nov 2 (Mon) | $2.55 | −0.12 | −4.49% |
| Oct 30 (Fri) | $2.67 | −0.37 | −12.17% |
| Oct 29 (Thu) | $3.04 | −0.27 | −8.16% |
| Oct 28 (Wed) | $3.31 | +0.62 | +23.05% |
| Oct 27 (Tue) | $2.69 | +0.53 | +24.54% |
| Oct 26 (Mon) | $2.16 | −0.14 | −6.09% |
Price5-day MA25-day MAS&P 500Disclosures
3-Month High$9.22Aug 6
3-Month Low$1.50Nov 5
1-Month Change−66.2%vs Oct 6
3-Month Change−79.9%vs Aug 6
If you had invested $1,000 3 months ago, it would be worth $201 today (−79.9%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −4.3%, while this stock moved −79.9%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $1.85 | +0.35 | +23.33% |
| Nov 5 (Thu) | $1.50 | −0.71 | −32.13% |
| Nov 4 (Wed) | $2.21 | −0.46 | −17.23% |
| Nov 3 (Tue) | $2.67 | +0.12 | +4.71% |
| Nov 2 (Mon) | $2.55 | −0.12 | −4.49% |
| Oct 30 (Fri) | $2.67 | −0.37 | −12.17% |
| Oct 29 (Thu) | $3.04 | −0.27 | −8.16% |
| Oct 28 (Wed) | $3.31 | +0.62 | +23.05% |
| Oct 27 (Tue) | $2.69 | +0.53 | +24.54% |
| Oct 26 (Mon) | $2.16 | −0.14 | −6.09% |
Price25-day MA75-day MAS&P 500Disclosures
6-Month High$14.56Jun 18
6-Month Low$1.50Nov 5
3-Month Change−79.9%vs Aug 6
6-Month Change―
If you had invested $1,000 6 months ago, it would be worth $127 today (−87.3%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −1.6%, while this stock moved −87.3%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $1.85 | −30.7% |
| Oct 2026 | $2.67 | −48.0% |
| Sep 2026 | $5.13 | −23.5% |
| Aug 2026 | $6.71 | −28.7% |
| Jul 2026 | $9.41 | −14.8% |
| Jun 2026 | $11.04 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Jun 2026). Please check the latest prices before trading.
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No.2
Disclosure
2026/10/21 04:54
臨時報告（重要事象）（8-K）
レギュレーションFD開示（Item 7.01）／財務諸表および添付資料（Item 9.01）
レギュレーションFD開示（Item 7.01）／財務諸表および添付資料（Item 9.01）
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No.1
Disclosure
2026/09/22 00:26
臨時報告（重要事象）（8-K）
レギュレーションFD開示（Item 7.01）／財務諸表および添付資料（Item 9.01）
レギュレーションFD開示（Item 7.01）／財務諸表および添付資料（Item 9.01）