Nasdaq · HCMAU · stock
Hcm III Acquisition Corp. (HCMAU) stock price history
Every Nasdaq trading session of Hcm III Acquisition Corp. from Aug 1, 2025 to Sep 28, 2026: 291 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.
HCMAU adjusted close, 2025 to 2026
- $10.65
- All time high, 2025
- $10.99
- 52 week high, $10.18 low
- 291
- Daily sessions since 2025
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2025 to 2026 series and minute bars.
HCMAU key facts
- Hcm III Acquisition Corp. (HCMAU) closed at $10.47 on Sep 28, 2026 on Nasdaq.
- HCMAU's all time high close is $10.65, set on Oct 15, 2025; its all time low close is $10.09 on Aug 1, 2025.
- HCMAU's 52 week range is $10.18 to $10.99.
- HCMAU returned +0.8% over the year to Sep 28, 2026.
- Since Aug 1, 2025 HCMAU returned +4%, +3.2% a year compounded.
- HCMAU's deepest drawdown was -4.1% from Oct 16, 2025 to Dec 18, 2025.
- DataCedar holds 291 daily sessions of HCMAU history from Aug 1, 2025 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
HCMAU price chart, 2025 to 2026
HCMAU returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | 0.0% |
| 3 months | +0.3% |
| 6 months | +1.7% |
| Year to date | +2.1% |
| 1 year | +0.8% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Aug 1, 2025 | +3.8% |
| Compound annual growth, 1.2 years | +3.2% |
HCMAU records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $10.65 on Oct 15, 2025
- All time low close
- $10.09 on Aug 1, 2025
- 52 week high
- $10.99 on Oct 24, 2025
- 52 week low
- $10.18 on Nov 21, 2025
- Deepest drawdown
- -4.1% from Oct 16, 2025 to Dec 18, 2025, not yet recovered
- Best single session
- +1.4% on Sep 19, 2025
- Worst single session
- -1.7% on Nov 25, 2025
- Volatility, 1 year annualised
- 4.0%
- Sessions closing higher, 1 year
- 21%
HCMAU 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. 2025 starts on Aug 1, 2025; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $10.23 | $10.52 | $10.20 | $10.47 | +1.8% | 565.8K | 185 |
| 2025 | $10.05 | $10.99 | $10.05 | $10.28 | n/a | 14.2M | 106 |
HCMAU monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $10.47 | 0.0% |
| August 2026 | $10.47 | -0.1% |
| July 2026 | $10.48 | +0.4% |
| June 2026 | $10.44 | +0.3% |
| May 2026 | $10.41 | +1.1% |
| April 2026 | $10.30 | +0.5% |
| March 2026 | $10.25 | -0.9% |
| February 2026 | $10.34 | -0.1% |
| January 2026 | $10.35 | +0.6% |
| December 2025 | $10.28 | -0.0% |
| November 2025 | $10.29 | -1.9% |
| October 2025 | $10.49 | +1.7% |
About the HCMAU data
Daily bars. 291 sessions from Aug 1, 2025 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 Aug 1, 2025, 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/HCMAU/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
HCMAU share price history
