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Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
Theriva Biologics, Inc. closed at $0.17 on Nov 6, 2026, −22.7% over 1 month, −39.3% over 1 year.
If you had invested $1,000 1 month ago, it would be worth $773 today (−22.7%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −5.7%, while this stock moved −22.7%.
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $0.17 | +0.00 | +0.00% |
| Nov 5 (Thu) | $0.17 | −0.02 | −10.53% |
| Nov 4 (Wed) | $0.19 | +0.01 | +5.56% |
| Nov 3 (Tue) | $0.18 | +0.00 | +0.00% |
| Nov 2 (Mon) | $0.18 | +0.01 | +5.88% |
| Oct 30 (Fri) | $0.17 | −0.02 | −10.53% |
| Oct 29 (Thu) | $0.19 | +0.00 | +0.00% |
| Oct 26 (Mon) | $0.19 | −0.01 | −5.00% |
| Oct 23 (Fri) | $0.20 | +0.01 | +5.26% |
| Oct 22 (Thu) | $0.19 | −0.01 | −5.00% |
If you had invested $1,000 3 months ago, it would be worth $773 today (−22.7%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −4.3%, while this stock moved −22.7%.
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $0.17 | +0.00 | +0.00% |
| Nov 5 (Thu) | $0.17 | −0.02 | −10.53% |
| Nov 4 (Wed) | $0.19 | +0.01 | +5.56% |
| Nov 3 (Tue) | $0.18 | +0.00 | +0.00% |
| Nov 2 (Mon) | $0.18 | +0.01 | +5.88% |
| Oct 30 (Fri) | $0.17 | −0.02 | −10.53% |
| Oct 29 (Thu) | $0.19 | +0.00 | +0.00% |
| Oct 26 (Mon) | $0.19 | −0.01 | −5.00% |
| Oct 23 (Fri) | $0.20 | +0.01 | +5.26% |
| Oct 22 (Thu) | $0.19 | −0.01 | −5.00% |
If you had invested $1,000 6 months ago, it would be worth $447 today (−55.3%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +0.2%, while this stock moved −55.3%.
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $0.17 | +0.0% |
| Oct 2026 | $0.17 | −26.1% |
| Sep 2026 | $0.23 | −8.0% |
| Aug 2026 | $0.25 | +19.0% |
| Jul 2026 | $0.21 | −16.0% |
| Jun 2026 | $0.25 | −10.7% |
| May 2026 | $0.28 | −22.2% |
If you had invested $1,000 1 year ago, it would be worth $607 today (−39.3%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +9.6%, while this stock moved −39.3%.
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $0.17 | +0.0% |
| Oct 2026 | $0.17 | −26.1% |
| Sep 2026 | $0.23 | −8.0% |
| Aug 2026 | $0.25 | +19.0% |
| Jul 2026 | $0.21 | −16.0% |
| Jun 2026 | $0.25 | −10.7% |
| May 2026 | $0.28 | −22.2% |
| Apr 2026 | $0.36 | +80.0% |
| Mar 2026 | $0.20 | +0.0% |
| Feb 2026 | $0.20 | +11.1% |
| Jan 2026 | $0.18 | −14.3% |
| Dec 2025 | $0.21 | −22.2% |
| Nov 2025 | $0.27 | ― |
If you had invested $1,000 3 years ago, it would be worth $14 today (−98.6%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +67.1%, while this stock moved −98.6%.
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $0.17 | −19.0% |
| 2025 | $0.21 | ― |
If you had invested $1,000 5 years ago, it would be worth $2 today (−99.8%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +57.5%, while this stock moved −99.8%.
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $0.17 | −19.0% |
| 2025 | $0.21 | ― |
If you had invested $1,000 in Jan 2007, it would be worth $0 today (−100.0%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +424.4%, while this stock moved −100.0%.
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $0.17 | −19.0% |
| 2025 | $0.21 | −88.0% |
| 2024 | $1.75 | −83.7% |
| 2023 | $10.75 | −4.4% |
| 2022 | $11.25 | −83.3% |
| 2021 | $67.50 | −28.9% |
| 2020 | $95.00 | −25.5% |
| 2019 | $127.50 | −8.9% |
| 2018 | $140.00 | −96.9% |
| 2017 | $4,462.50 | −32.9% |
| 2016 | $6,650.00 | −66.8% |
| 2015 | $20,037.50 | +56.8% |
| 2014 | $12,775.00 | −4.6% |
| 2013 | $13,387.50 | −13.1% |
| 2012 | $15,400.00 | +39.7% |
| 2011 | $11,025.00 | +0.8% |
| 2010 | $10,937.50 | +123.2% |
| 2009 | $4,900.00 | +211.1% |
| 2008 | $1,575.00 | −96.5% |
| 2007 | $44,800.00 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Jan 2007). Please check the latest prices before trading.
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