Stock discussion boards for Japanese, US and Chinese stocks
1 post
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
Sionna Therapeutics, Inc. closed at $3.28 on Nov 6, 2026, −30.9% over 1 month, −90.6% over 1 year.
If you had invested $1,000 1 month ago, it would be worth $691 today (−30.9%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −5.7%, while this stock moved −30.9%.
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $3.28 | +0.00 | +0.00% |
| Nov 5 (Thu) | $3.28 | −0.45 | −12.06% |
| Nov 4 (Wed) | $3.73 | +0.08 | +2.19% |
| Nov 3 (Tue) | $3.65 | −0.08 | −2.14% |
| Nov 2 (Mon) | $3.73 | −0.14 | −3.62% |
| Oct 30 (Fri) | $3.87 | −0.13 | −3.25% |
| Oct 29 (Thu) | $4.00 | −0.04 | −0.99% |
| Oct 28 (Wed) | $4.04 | +0.17 | +4.39% |
| Oct 27 (Tue) | $3.87 | +0.18 | +4.88% |
| Oct 26 (Mon) | $3.69 | +0.09 | +2.50% |
If you had invested $1,000 3 months ago, it would be worth $66 today (−93.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −4.3%, while this stock moved −93.4%.
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $3.28 | +0.00 | +0.00% |
| Nov 5 (Thu) | $3.28 | −0.45 | −12.06% |
| Nov 4 (Wed) | $3.73 | +0.08 | +2.19% |
| Nov 3 (Tue) | $3.65 | −0.08 | −2.14% |
| Nov 2 (Mon) | $3.73 | −0.14 | −3.62% |
| Oct 30 (Fri) | $3.87 | −0.13 | −3.25% |
| Oct 29 (Thu) | $4.00 | −0.04 | −0.99% |
| Oct 28 (Wed) | $4.04 | +0.17 | +4.39% |
| Oct 27 (Tue) | $3.87 | +0.18 | +4.88% |
| Oct 26 (Mon) | $3.69 | +0.09 | +2.50% |
If you had invested $1,000 6 months ago, it would be worth $76 today (−92.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +0.2%, while this stock moved −92.4%.
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $3.28 | −15.2% |
| Oct 2026 | $3.87 | −26.4% |
| Sep 2026 | $5.26 | −12.8% |
| Aug 2026 | $6.03 | −87.2% |
| Jul 2026 | $47.13 | +7.1% |
| Jun 2026 | $43.99 | +2.7% |
| May 2026 | $42.82 | +10.6% |
If you had invested $1,000 1 year ago, it would be worth $94 today (−90.6%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +9.6%, while this stock moved −90.6%.
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $3.28 | −15.2% |
| Oct 2026 | $3.87 | −26.4% |
| Sep 2026 | $5.26 | −12.8% |
| Aug 2026 | $6.03 | −87.2% |
| Jul 2026 | $47.13 | +7.1% |
| Jun 2026 | $43.99 | +2.7% |
| May 2026 | $42.82 | +10.6% |
| Apr 2026 | $38.70 | −3.5% |
| Mar 2026 | $40.09 | +9.7% |
| Feb 2026 | $36.54 | −13.5% |
| Jan 2026 | $42.26 | +2.7% |
| Dec 2025 | $41.14 | −5.6% |
| Nov 2025 | $43.57 | ― |
If you had invested $1,000 3 years ago, it would be worth $131 today (−86.9%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +22.4%, while this stock moved −86.9%.
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $3.28 | −92.0% |
| 2025 | $41.14 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Feb 2025). Please check the latest prices before trading.
This board is shared with the Japanese and Chinese versions. Feel free to write in English, Chinese or Japanese.