Nasdaq · IMSR · stock
Terrestrial Energy Inc. /DE/ (IMSR) stock price history
Every Nasdaq trading session of Terrestrial Energy Inc. /DE/ from Oct 10, 2024 to Nov 11, 2026: 524 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.
IMSR adjusted close, 2024 to 2026
- $27.10
- All time high, 2025
- $14.28
- 52 week high, $2.43 low
- 524
- Daily sessions since 2024
Last updated Nov 11, 2026, the last stored session. Refreshes after each trading day. Full 2024 to 2026 series and minute bars.
IMSR key facts
- Terrestrial Energy Inc. /DE/ (IMSR) closed at $2.56 on Nov 11, 2026 on Nasdaq.
- IMSR's all time high close is $27.10, set on Oct 15, 2025; its all time low close is $2.56 on Nov 11, 2026.
- IMSR's 52 week range is $2.43 to $14.28.
- IMSR returned -81.0% over the year to Nov 11, 2026.
- Since Oct 10, 2024 IMSR returned -74%, -47.9% a year compounded.
- IMSR's deepest drawdown was -90.6% from Oct 15, 2025 to Nov 11, 2026.
- DataCedar holds 524 daily sessions of IMSR history from Oct 10, 2024 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
IMSR price chart, 2024 to 2026
IMSR returns
Price return from the last close on or before the window start to Nov 11, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -22.0% |
| 3 months | -54.9% |
| 6 months | -66.6% |
| Year to date | -58.2% |
| 1 year | -81.0% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Oct 10, 2024 | -74.3% |
| Compound annual growth, 2.1 years | -47.9% |
IMSR records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $27.10 on Oct 15, 2025
- All time low close
- $2.56 on Nov 11, 2026
- 52 week high
- $14.28 on Nov 12, 2025
- 52 week low
- $2.43 on Nov 11, 2026
- Deepest drawdown
- -90.6% from Oct 15, 2025 to Nov 11, 2026, not yet recovered
- Best single session
- +30.3% on Jan 6, 2026
- Worst single session
- -15.4% on Oct 21, 2025
- Volatility, 1 year annualised
- 104.0%
- Sessions closing higher, 1 year
- 41%
- Best calendar year
- 2025, -39%
- Worst calendar year
- 2025, -39%
IMSR 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. 2024 starts on Oct 10, 2024; 2026 runs to Nov 11, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $6.28 | $13.52 | $2.43 | $2.56 | -58.1% | 512.7M | 217 |
| 2025 | $10.02 | $31.50 | $5.95 | $6.11 | -39.0% | 238.6M | 250 |
| 2024 | $9.99 | $10.48 | $9.90 | $10.02 | n/a | 8.1M | 57 |
IMSR monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $2.56 | -20.5% |
| October 2026 | $3.22 | -17.2% |
| September 2026 | $3.89 | -24.9% |
| August 2026 | $5.18 | +5.5% |
| July 2026 | $4.91 | -30.6% |
| June 2026 | $7.08 | -22.5% |
| May 2026 | $9.13 | +25.8% |
| April 2026 | $7.26 | +20.9% |
| March 2026 | $6.01 | -13.0% |
| February 2026 | $6.90 | -24.3% |
| January 2026 | $9.11 | +49.1% |
| December 2025 | $6.11 | -35.3% |
About the IMSR data
Daily bars. 524 sessions from Oct 10, 2024 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 Oct 10, 2024, 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%3AIMSR/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
IMSR share price history
