Korsana Biosciences, Inc.
Prices on SharpeShare since Oct 20, 2021
52-week range
Low $1.08High $37.19
Has KRSA beaten the S&P 500?
Over the last year (to Oct 20, 2026), KRSA returned +101.5%; the S&P 500 (SPY) returned +15.8%.
Oct 20, 2025 – Oct 20, 2026. Returns include dividends and other distributions, reinvested.
How are your investments doing?
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Returns by period
| Period | KRSA | S&P 500 |
|---|---|---|
| 1 month | -11.3% | +1.0% |
| 3 months | +21.4% | +3.9% |
| Year to date | +249.0% | +13.7% |
| 1 year | +101.5% | +15.8% |
| 3 years (annualized) | +11.0% | +23.7% |
| 5 years (annualized) | -40.4% | +12.7% |
Volatility (1-year, annualized): 327.7%
How has KRSA done each year?
KRSA didn't return more than the S&P 500 in any of the 4 full calendar years SharpeShare can compare.
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2021*: KRSA -41.7%, S&P 500 (SPY) +5.4%
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2022: KRSA -61.8%, S&P 500 (SPY) -18.2%
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2023: KRSA -74.5%, S&P 500 (SPY) +26.2%
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2024: KRSA -3.9%, S&P 500 (SPY) +24.9%
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2025: KRSA -60.6%, S&P 500 (SPY) +17.7%
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2026*: KRSA +249.0%, S&P 500 (SPY) +13.7%
* Part of a year: the returns SharpeShare measures start or end inside it.
Select a month to see its return.
Each cell is that month's return, dividends included: green up, red down, uncolored when it rounds to 0.0%.
How rough does it get?
Counting dividends, KRSA's largest decline since Oct 2021 was 98.2%, from Oct 20, 2021 to Feb 5, 2026. It hasn't closed back at that high since. During the S&P 500's declines of 10% or more in that time, KRSA returned -78.5% (Jan 3 – Oct 12, 2022, when the S&P 500 fell 24.5%) and -12.5% (Feb 19 – Apr 8, 2025, when the S&P 500 fell 18.8%).
In the last year, KRSA moved less than 1% up or down on 29% of trading days. Its biggest one-day fall was 32.5% (Apr 6, 2026); its biggest rise 311.6% (Apr 1, 2026).
Highest closing price since Oct 2021: $413.00 on Oct 20, 2021. The latest close, $31.03 on Oct 20, 2026, is 92.5% below it.
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