Nasdaq · CTKB · stock
Cytek Biosciences, Inc. (CTKB) stock price history
Every Nasdaq trading session of Cytek Biosciences, Inc. from Jul 23, 2021 to Nov 11, 2026: 1,333 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.
CTKB adjusted close, 2021 to 2026
- $27.93
- All time high, 2021
- $6.34
- 52 week high, $3.31 low
- 1,333
- Daily sessions since 2021
Last updated Nov 11, 2026, the last stored session. Refreshes after each trading day. Full 2021 to 2026 series and minute bars.
CTKB key facts
- Cytek Biosciences, Inc. (CTKB) closed at $5.76 on Nov 11, 2026 on Nasdaq.
- CTKB's all time high close is $27.93, set on Sep 15, 2021; its all time low close is $2.42 on May 23, 2025.
- CTKB's 52 week range is $3.31 to $6.34.
- CTKB returned +20.3% over the year to Nov 11, 2026 and -74.7% over five years.
- Since Jul 23, 2021 CTKB returned -69%, -20.0% a year compounded.
- CTKB's deepest drawdown was -91.3% from Sep 15, 2021 to May 23, 2025.
- DataCedar holds 1,333 daily sessions of CTKB history from Jul 23, 2021 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
CTKB price chart, 2021 to 2026
CTKB returns
Price return from the last close on or before the window start to Nov 11, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +6.1% |
| 3 months | +21.5% |
| 6 months | +39.8% |
| Year to date | +14.3% |
| 1 year | +20.3% |
| 3 years | +17.6% |
| 5 years | -74.7% |
| 10 years | n/a |
| Since Jul 23, 2021 | -69.3% |
| Compound annual growth, 5.3 years | -20.0% |
CTKB records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $27.93 on Sep 15, 2021
- All time low close
- $2.42 on May 23, 2025
- 52 week high
- $6.34 on Oct 29, 2026
- 52 week low
- $3.31 on May 14, 2026
- Deepest drawdown
- -91.3% from Sep 15, 2021 to May 23, 2025, not yet recovered
- Best single session
- +36.0% on Nov 6, 2024
- Worst single session
- -24.0% on May 10, 2023
- Volatility, 1 year annualised
- 55.1%
- Sessions closing higher, 1 year
- 51%
- Best calendar year
- 2023, -11%
- Worst calendar year
- 2022, -37%
CTKB 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. 2021 starts on Jul 23, 2021; 2026 runs to Nov 11, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $5.05 | $6.34 | $3.31 | $5.76 | +14.1% | 237.8M | 217 |
| 2025 | $6.58 | $7.30 | $2.37 | $5.05 | -22.2% | 265.2M | 250 |
| 2024 | $8.99 | $9.33 | $4.66 | $6.49 | -28.8% | 172.1M | 252 |
| 2023 | $10.37 | $13.77 | $3.80 | $9.12 | -10.7% | 251.9M | 250 |
| 2022 | $16.67 | $17.41 | $7.38 | $10.21 | -37.4% | 197.4M | 251 |
| 2021 | $20.10 | $28.70 | $15.91 | $16.32 | n/a | 31.9M | 113 |
CTKB monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $5.76 | -6.0% |
| October 2026 | $6.13 | +2.9% |
| September 2026 | $5.96 | +24.7% |
| August 2026 | $4.78 | +13.3% |
| July 2026 | $4.22 | -4.7% |
| June 2026 | $4.43 | +5.7% |
| May 2026 | $4.19 | -8.1% |
| April 2026 | $4.56 | +4.3% |
| March 2026 | $4.37 | -2.5% |
| February 2026 | $4.48 | -10.4% |
| January 2026 | $5.00 | -1.0% |
| December 2025 | $5.05 | -10.6% |
About the CTKB data
Daily bars. 1,333 sessions from Jul 23, 2021 to Nov 11, 2026, one row per Nasdaq 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 Oct 23, 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 Nasdaq 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 Jul 23, 2021, 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/nasdaq%3ACTKB/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
CTKB share price history
