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Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
Definium Therapeutics, Inc. closed at $33.27 on Nov 6, 2026, −6.6% over 1 month, +184.4% over 1 year.
If you had invested $1,000 1 month ago, it would be worth $934 today (−6.6%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −5.7%, while this stock moved −6.6%.
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $33.27 | +2.91 | +9.58% |
| Nov 5 (Thu) | $30.36 | −2.34 | −7.16% |
| Nov 4 (Wed) | $32.70 | −0.71 | −2.13% |
| Nov 3 (Tue) | $33.41 | +0.94 | +2.89% |
| Nov 2 (Mon) | $32.47 | −3.86 | −10.62% |
| Oct 30 (Fri) | $36.33 | −1.63 | −4.29% |
| Oct 29 (Thu) | $37.96 | −0.14 | −0.37% |
| Oct 28 (Wed) | $38.10 | +1.02 | +2.75% |
| Oct 27 (Tue) | $37.08 | +1.40 | +3.92% |
| Oct 26 (Mon) | $35.68 | +0.01 | +0.03% |
If you had invested $1,000 3 months ago, it would be worth $721 today (−27.9%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −4.3%, while this stock moved −27.9%.
| Date | Close | Change | % Change |
|---|---|---|---|
| Nov 6 (Fri) | $33.27 | +2.91 | +9.58% |
| Nov 5 (Thu) | $30.36 | −2.34 | −7.16% |
| Nov 4 (Wed) | $32.70 | −0.71 | −2.13% |
| Nov 3 (Tue) | $33.41 | +0.94 | +2.89% |
| Nov 2 (Mon) | $32.47 | −3.86 | −10.62% |
| Oct 30 (Fri) | $36.33 | −1.63 | −4.29% |
| Oct 29 (Thu) | $37.96 | −0.14 | −0.37% |
| Oct 28 (Wed) | $38.10 | +1.02 | +2.75% |
| Oct 27 (Tue) | $37.08 | +1.40 | +3.92% |
| Oct 26 (Mon) | $35.68 | +0.01 | +0.03% |
If you had invested $1,000 6 months ago, it would be worth $1,421 today (+42.1%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +0.2%, while this stock moved +42.1%.
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $33.27 | −8.4% |
| Oct 2026 | $36.33 | −4.5% |
| Sep 2026 | $38.06 | −4.2% |
| Aug 2026 | $39.72 | −8.7% |
| Jul 2026 | $43.52 | −7.5% |
| Jun 2026 | $47.04 | +94.5% |
| May 2026 | $24.19 | +10.6% |
If you had invested $1,000 1 year ago, it would be worth $2,844 today (+184.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +9.6%, while this stock moved +184.4%.
| Month | Month-End Close | Monthly % |
|---|---|---|
| Nov 2026 | $33.27 | −8.4% |
| Oct 2026 | $36.33 | −4.5% |
| Sep 2026 | $38.06 | −4.2% |
| Aug 2026 | $39.72 | −8.7% |
| Jul 2026 | $43.52 | −7.5% |
| Jun 2026 | $47.04 | +94.5% |
| May 2026 | $24.19 | +10.6% |
| Apr 2026 | $21.88 | +15.8% |
| Mar 2026 | $18.90 | +8.3% |
| Feb 2026 | $17.45 | +3.4% |
| Jan 2026 | $16.88 | +26.1% |
| Dec 2025 | $13.39 | +5.8% |
| Nov 2025 | $12.65 | ― |
If you had invested $1,000 3 years ago, it would be worth $13,308 today (+1,230.8%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +67.1%, while this stock moved +1,230.8%.
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $33.27 | +148.5% |
| 2025 | $13.39 | ― |
If you had invested $1,000 5 years ago, it would be worth $928 today (−7.2%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +57.5%, while this stock moved −7.2%.
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $33.27 | +148.5% |
| 2025 | $13.39 | ― |
If you had invested $1,000 in Dec 2016, it would be worth $4,040 today (+304.0%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +212.1%, while this stock moved +304.0%.
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $33.27 | +148.5% |
| 2025 | $13.39 | +92.4% |
| 2024 | $6.96 | +90.2% |
| 2023 | $3.66 | +66.4% |
| 2022 | $2.20 | −89.4% |
| 2021 | $20.70 | −54.8% |
| 2020 | $45.75 | +5,346.4% |
| 2019 | $0.84 | +27.3% |
| 2018 | $0.66 | −85.2% |
| 2017 | $4.46 | −45.9% |
| 2016 | $8.24 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Dec 2016). Please check the latest prices before trading.
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