Nasdaq · CTMX · stock
CytomX Therapeutics, Inc. (CTMX) stock price history
Every Nasdaq trading session of CytomX Therapeutics, Inc. from Oct 8, 2015 to Sep 29, 2026: 2,759 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.
CTMX adjusted close, 2015 to 2026
- $34.22
- All time high, 2018
- $8.21
- 52 week high, $2.60 low
- 2,759
- Daily sessions since 2015
Last updated Sep 29, 2026, the last stored session. Refreshes after each trading day. Full 2015 to 2026 series and minute bars.
CTMX key facts
- CytomX Therapeutics, Inc. (CTMX) closed at $2.75 on Sep 29, 2026 on Nasdaq.
- CTMX's all time high close is $34.22, set on Mar 12, 2018; its all time low close is $0.4320 on Apr 7, 2025.
- CTMX's 52 week range is $2.60 to $8.21.
- CTMX returned -14.9% over the year to Sep 29, 2026 and -44.2% over five years.
- Over ten years CTMX returned -82%, -15.9% a year compounded.
- CTMX's deepest drawdown was -98.7% from Mar 12, 2018 to Apr 7, 2025.
- DataCedar holds 2,759 daily sessions of CTMX history from Oct 8, 2015 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
CTMX price chart, 2015 to 2026
CTMX returns
Price return from the last close on or before the window start to Sep 29, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -14.3% |
| 3 months | -26.5% |
| 6 months | -39.2% |
| Year to date | -33.9% |
| 1 year | -14.9% |
| 3 years | +113.2% |
| 5 years | -44.2% |
| 10 years | -82.3% |
| Since Oct 8, 2015 | -78.7% |
| Compound annual growth, 11.0 years | -13.1% |
CTMX records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $34.22 on Mar 12, 2018
- All time low close
- $0.4320 on Apr 7, 2025
- 52 week high
- $8.21 on Mar 16, 2026
- 52 week low
- $2.60 on Sep 28, 2026
- Deepest drawdown
- -98.7% from Mar 12, 2018 to Apr 7, 2025, not yet recovered
- Best single session
- +214.7% on May 1, 2024
- Worst single session
- -51.3% on May 9, 2024
- Volatility, 1 year annualised
- 84.8%
- Sessions closing higher, 1 year
- 44%
- Best calendar year
- 2025, +314%
- Worst calendar year
- 2022, -63%
CTMX 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. 2015 starts on Oct 8, 2015; 2026 runs to Sep 29, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $4.27 | $8.21 | $2.60 | $2.75 | -35.4% | 894.2M | 186 |
| 2025 | $1.01 | $4.62 | $0.4000 | $4.26 | +313.6% | 825.1M | 250 |
| 2024 | $1.59 | $5.85 | $0.8330 | $1.03 | -33.5% | 606.4M | 252 |
| 2023 | $1.62 | $3.02 | $1.04 | $1.55 | -3.1% | 220.9M | 250 |
| 2022 | $4.45 | $4.73 | $1.17 | $1.60 | -63.0% | 312.2M | 251 |
| 2021 | $6.63 | $10.05 | $3.68 | $4.33 | -33.9% | 238.7M | 252 |
| 2020 | $8.48 | $15.44 | $3.60 | $6.55 | -21.2% | 128.9M | 253 |
| 2019 | $14.96 | $19.75 | $5.10 | $8.31 | -45.0% | 111.8M | 252 |
| 2018 | $21.11 | $35.00 | $12.51 | $15.10 | -28.5% | 102.3M | 251 |
| 2017 | $10.59 | $24.67 | $10.40 | $21.11 | +92.1% | 71.8M | 251 |
| 2016 | $20.34 | $20.94 | $9.10 | $10.99 | -47.3% | 23.8M | 252 |
| 2015 | $16.00 | $24.68 | $9.01 | $20.87 | n/a | 6.1M | 59 |
CTMX monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $2.75 | -18.2% |
| August 2026 | $3.36 | +8.4% |
| July 2026 | $3.10 | -17.3% |
| June 2026 | $3.75 | +4.2% |
| May 2026 | $3.60 | -14.7% |
| April 2026 | $4.22 | -10.2% |
| March 2026 | $4.70 | -12.5% |
| February 2026 | $5.37 | -5.6% |
| January 2026 | $5.69 | +33.6% |
| December 2025 | $4.26 | -0.5% |
| November 2025 | $4.28 | +19.9% |
| October 2025 | $3.57 | +11.9% |
About the CTMX data
Daily bars. 2,759 sessions from Oct 8, 2015 to Sep 29, 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 Oct 8, 2015, 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/CTMX/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
CTMX share price history
