TSX · MDNA · stock
Medicenna Therapeutics Corp. (MDNA) stock price history
Every TSX trading session of Medicenna Therapeutics Corp. from Mar 8, 2017 to Sep 28, 2026: 2,399 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 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.
MDNA adjusted close, 2017 to 2026
- CA$7.00
- All time high, 2020
- CA$1.97
- 52 week high, CA$0.3350 low
- 2,399
- Daily sessions since 2017
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2017 to 2026 series and minute bars.
MDNA key facts
- Medicenna Therapeutics Corp. (MDNA) closed at CA$0.3950 on Sep 28, 2026 on TSX.
- MDNA's all time high close is CA$7.00, set on May 29, 2020; its all time low close is CA$0.2200 on Nov 1, 2023.
- MDNA's 52 week range is CA$0.3350 to CA$1.97.
- MDNA returned -58.9% over the year to Sep 28, 2026 and -88.2% over five years.
- Since Mar 8, 2017 MDNA returned -85%, -18.2% a year compounded.
- MDNA's deepest drawdown was -96.9% from May 29, 2020 to Nov 1, 2023.
- DataCedar holds 2,399 daily sessions of MDNA history from Mar 8, 2017 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
MDNA price chart, 2017 to 2026
MDNA returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -16.8% |
| 3 months | -2.5% |
| 6 months | -37.3% |
| Year to date | -58.0% |
| 1 year | -58.9% |
| 3 years | +3.9% |
| 5 years | -88.2% |
| 10 years | n/a |
| Since Mar 8, 2017 | -85.4% |
| Compound annual growth, 9.6 years | -18.2% |
MDNA records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- CA$7.00 on May 29, 2020
- All time low close
- CA$0.2200 on Nov 1, 2023
- 52 week high
- CA$1.97 on Oct 27, 2025
- 52 week low
- CA$0.3350 on Jul 21, 2026
- Deepest drawdown
- -96.9% from May 29, 2020 to Nov 1, 2023, not yet recovered
- Best single session
- +49.1% on Oct 24, 2025
- Worst single session
- -42.7% on Aug 9, 2022
- Volatility, 1 year annualised
- 77.9%
- Sessions closing higher, 1 year
- 35%
- Best calendar year
- 2019, +386%
- Worst calendar year
- 2022, -70%
MDNA 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. 2017 starts on Mar 8, 2017; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | CA$0.9600 | CA$1.04 | CA$0.3350 | CA$0.3950 | -57.1% | 16.2M | 186 |
| 2025 | CA$1.66 | CA$1.97 | CA$0.7800 | CA$0.9200 | -44.2% | 16.1M | 251 |
| 2024 | CA$0.4200 | CA$2.98 | CA$0.4000 | CA$1.65 | +292.9% | 25.8M | 252 |
| 2023 | CA$0.6500 | CA$1.13 | CA$0.2150 | CA$0.4200 | -34.4% | 10.9M | 250 |
| 2022 | CA$2.49 | CA$2.49 | CA$0.5400 | CA$0.6400 | -69.5% | 11.1M | 250 |
| 2021 | CA$5.82 | CA$6.15 | CA$1.90 | CA$2.10 | -64.7% | 20.1M | 251 |
| 2020 | CA$3.40 | CA$7.25 | CA$2.15 | CA$5.95 | +75.0% | 23.7M | 252 |
| 2019 | CA$0.6900 | CA$3.87 | CA$0.6400 | CA$3.40 | +385.7% | 13.6M | 251 |
| 2018 | CA$2.04 | CA$3.05 | CA$0.6800 | CA$0.7000 | -65.0% | 2.3M | 251 |
| 2017 | CA$2.75 | CA$3.30 | CA$1.42 | CA$2.00 | n/a | 1.9M | 205 |
MDNA monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | CA$0.3950 | -16.0% |
| August 2026 | CA$0.4700 | +30.6% |
| July 2026 | CA$0.3600 | -8.9% |
| June 2026 | CA$0.3950 | -7.1% |
| May 2026 | CA$0.4250 | -28.0% |
| April 2026 | CA$0.5900 | -7.8% |
| March 2026 | CA$0.6400 | -28.9% |
| February 2026 | CA$0.9000 | +2.3% |
| January 2026 | CA$0.8800 | -4.3% |
| December 2025 | CA$0.9200 | -42.5% |
| November 2025 | CA$1.60 | +8.1% |
| October 2025 | CA$1.48 | +51.0% |
About the MDNA data
Daily bars. 2,399 sessions from Mar 8, 2017 to Sep 28, 2026, one row per TSX 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 Sep 17, 2026 forward, most recent session Sep 24, 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 TSX trading days; minute timestamps are UTC. Prices are in CAD. 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 8, 2017, 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/MDNA/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on TSX
Common questions
MDNA share price history
