Nasdaq · BCYC · stock

Bicycle Therapeutics PLC (BCYC) stock price history

Every Nasdaq trading session of Bicycle Therapeutics PLC from May 23, 2019 to Sep 28, 2026: 1,847 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.

BCYC adjusted close, 2019 to 2026

BCYCBicycle Therapeutics PLC
$3.71-49.9% over one year
2020202220242026
$61.14
All time high, 2021
$9.16
52 week high, $3.57 low
1,847
Daily sessions since 2019

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2019 to 2026 series and minute bars.

BCYC key facts

  • Bicycle Therapeutics PLC (BCYC) closed at $3.71 on Sep 28, 2026 on Nasdaq.
  • BCYC's all time high close is $61.14, set on Nov 15, 2021; its all time low close is $3.60 on Sep 23, 2026.
  • BCYC's 52 week range is $3.57 to $9.16.
  • BCYC returned -49.9% over the year to Sep 28, 2026 and -91.0% over five years.
  • Since May 23, 2019 BCYC returned -69%, -14.8% a year compounded.
  • BCYC's deepest drawdown was -94.1% from Nov 15, 2021 to Sep 23, 2026.
  • DataCedar holds 1,847 daily sessions of BCYC history from May 23, 2019 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

BCYC price chart, 2019 to 2026

BCYC adjusted close, May 23, 2019 to Sep 28, 2026$3.68$9.37$23.86$60.7720192020202120222023202420252026
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

BCYC returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month-11.7%
3 months-9.5%
6 months-13.9%
Year to date-45.4%
1 year-49.9%
3 years-81.7%
5 years-91.0%
10 yearsn/a
Since May 23, 2019-69.1%
Compound annual growth, 7.4 years-14.8%

BCYC records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
$61.14 on Nov 15, 2021
All time low close
$3.60 on Sep 23, 2026
52 week high
$9.16 on Oct 9, 2025
52 week low
$3.57 on Sep 23, 2026
Deepest drawdown
-94.1% from Nov 15, 2021 to Sep 23, 2026, not yet recovered
Best single session
+28.5% on Jan 14, 2021
Worst single session
-38.7% on Apr 11, 2022
Volatility, 1 year annualised
51.5%
Sessions closing higher, 1 year
46%
Best calendar year
2021, +239%
Worst calendar year
2022, -51%

BCYC 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 May 23, 2019; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$7.08$7.34$3.57$3.71-47.6%76.7M185
2025$13.90$15.47$6.03$7.08-49.4%77.8M250
2024$18.04$28.67$12.17$14.00-22.6%102.2M252
2023$29.93$31.91$12.54$18.08-38.9%89M250
2022$60.80$60.80$12.08$29.60-51.4%84.9M251
2021$18.00$62.08$18.00$60.87+239.1%51.1M252
2020$9.81$22.71$9.16$17.95+90.3%11.9M253
2019$13.37$14.91$6.24$9.43n/a6.7M154

BCYC monthly closes, last 12 months

MonthMonth end closeChange
September 2026$3.71-10.2%
August 2026$4.13+7.0%
July 2026$3.86-9.0%
June 2026$4.24-9.6%
May 2026$4.69-0.6%
April 2026$4.72+1.7%
March 2026$4.64-19.0%
February 2026$5.73-10.7%
January 2026$6.42-9.3%
December 2025$7.08-5.3%
November 2025$7.48-7.3%
October 2025$8.07+4.3%

About the BCYC data

Daily bars. 1,847 sessions from May 23, 2019 to Sep 28, 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 Sep 28, 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 May 23, 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/BCYC/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

BCYC share price history

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