Other US listings · CYCN · stock
Korsana Biosciences, Inc. (CYCN) stock price history
Every Other US listings trading session of Korsana Biosciences, Inc. from Mar 18, 2019 to Sep 8, 2026: 1,880 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
CYCN adjusted close, 2019 to 2026
- $457.00
- All time high, 2019
- $8.48
- 52 week high, $1.03 low
- 1,880
- Daily sessions since 2019
Last updated Sep 8, 2026, the last stored session. Refreshes after each trading day. Full 2019 to 2026 series and minute bars.
CYCN key facts
- Korsana Biosciences, Inc. (CYCN) closed at $3.36 on Sep 8, 2026 on Other US listings.
- CYCN's all time high close is $457.00, set on Apr 1, 2019; its all time low close is $1.08 on Feb 5, 2026.
- CYCN's 52 week range is $1.03 to $8.48.
- CYCN returned +48.7% over the year to Sep 8, 2026 and -94.6% over five years.
- Since Mar 18, 2019 CYCN returned -99%, -43.8% a year compounded.
- CYCN's deepest drawdown was -99.8% from Apr 1, 2019 to Feb 5, 2026.
- DataCedar holds 1,880 daily sessions of CYCN history from Mar 18, 2019 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
CYCN price chart, 2019 to 2026
CYCN returns
Price return from the last close on or before the window start to Sep 8, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -5.9% |
| 3 months | +11.6% |
| 6 months | +138.3% |
| Year to date | +184.7% |
| 1 year | +48.7% |
| 3 years | -5.9% |
| 5 years | -94.6% |
| 10 years | n/a |
| Since Mar 18, 2019 | -98.7% |
| Compound annual growth, 7.5 years | -43.8% |
CYCN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $457.00 on Apr 1, 2019
- All time low close
- $1.08 on Feb 5, 2026
- 52 week high
- $8.48 on Apr 1, 2026
- 52 week low
- $1.03 on Feb 9, 2026
- Deepest drawdown
- -99.8% from Apr 1, 2019 to Feb 5, 2026, not yet recovered
- Best single session
- +311.6% on Apr 1, 2026
- Worst single session
- -79.5% on Oct 30, 2019
- Volatility, 1 year annualised
- 173.6%
- Sessions closing higher, 1 year
- 42%
- Best calendar year
- 2020, +12%
- Worst calendar year
- 2023, -74%
CYCN price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2019 starts on Mar 18, 2019; 2026 runs to Sep 8, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $1.25 | $8.48 | $1.03 | $3.36 | +164.6% | 382.8M | 171 |
| 2025 | $3.15 | $6.25 | $1.16 | $1.27 | -60.6% | 165.9M | 250 |
| 2024 | $3.50 | $9.47 | $1.27 | $3.22 | -3.9% | 197.6M | 252 |
| 2023 | $13.60 | $19.14 | $1.75 | $3.35 | -74.5% | 3.9M | 250 |
| 2022 | $34.40 | $37.80 | $7.00 | $13.12 | -61.9% | 2.5M | 251 |
| 2021 | $61.60 | $138.00 | $29.80 | $34.40 | -43.8% | 9.4M | 252 |
| 2020 | $55.40 | $179.20 | $41.54 | $61.20 | +12.5% | 5.4M | 253 |
| 2019 | $250.00 | $457.00 | $33.80 | $54.40 | n/a | 3.5M | 201 |
CYCN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $3.36 | -8.7% |
| August 2026 | $3.68 | +7.0% |
| July 2026 | $3.44 | +1.5% |
| June 2026 | $3.39 | +7.6% |
| May 2026 | $3.15 | -4.8% |
| April 2026 | $3.31 | +113.5% |
| March 2026 | $1.55 | +14.8% |
| February 2026 | $1.35 | -0.7% |
| January 2026 | $1.36 | +7.1% |
| December 2025 | $1.27 | -19.6% |
| November 2025 | $1.58 | -15.5% |
| October 2025 | $1.87 | -18.7% |
About the CYCN data
Daily bars. 1,880 sessions from Mar 18, 2019 to Sep 8, 2026, one row per Other US listings trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 8, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Other US listings trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Mar 18, 2019, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/CYCN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Other US listings
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Common questions
CYCN share price history
