BMV · AMTM · stock
Amentum Holdings, Inc. (AMTM) stock price history
Every BMV trading session of Amentum Holdings, Inc. from Aug 11, 2026 to Sep 25, 2026: 33 daily bars, adjusted for splits and dividends, with minute bars from Sep 18, 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.
AMTM adjusted close, 2026 to 2026
- MX$385.00
- All time high, 2026
- MX$385.00
- 52 week high, MX$330.00 low
- 33
- Daily sessions since 2026
Last updated Sep 25, 2026, the last stored session. Refreshes after each trading day. Full 2026 to 2026 series and minute bars.
AMTM key facts
- Amentum Holdings, Inc. (AMTM) closed at MX$340.00 on Sep 25, 2026 on BMV.
- AMTM's all time high close is MX$385.00, set on Aug 12, 2026; its all time low close is MX$330.00 on Sep 9, 2026.
- AMTM's 52 week range is MX$330.00 to MX$385.00.
- AMTM's deepest drawdown was -14.3% from Aug 14, 2026 to Sep 9, 2026.
- DataCedar holds 33 daily sessions of AMTM history from Aug 11, 2026 and minute bars from Sep 18, 2026, adjusted for splits and dividends, served by the API under a key.
AMTM price chart, 2026 to 2026
AMTM returns
Price return from the last close on or before the window start to Sep 25, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -0.6% |
| 3 months | n/a |
| 6 months | n/a |
| Year to date | n/a |
| 1 year | n/a |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Aug 11, 2026 | -11.0% |
AMTM records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- MX$385.00 on Aug 12, 2026
- All time low close
- MX$330.00 on Sep 9, 2026
- 52 week high
- MX$385.00 on Aug 12, 2026
- 52 week low
- MX$330.00 on Sep 9, 2026
- Deepest drawdown
- -14.3% from Aug 14, 2026 to Sep 9, 2026, not yet recovered
- Best single session
- +3.0% on Aug 20, 2026
- Worst single session
- -10.1% on Aug 17, 2026
- Volatility, 1 year annualised
- 36.0%
- Sessions closing higher, 1 year
- 22%
AMTM 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. 2026 starts on Aug 11, 2026; 2026 runs to Sep 25, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | MX$395.00 | MX$395.00 | MX$330.00 | MX$340.00 | n/a | 5K | 33 |
AMTM monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | MX$340.00 | +0.3% |
| August 2026 | MX$339.00 | n/a |
About the AMTM data
Daily bars. 33 sessions from Aug 11, 2026 to Sep 25, 2026, one row per BMV 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 18, 2026 forward, most recent session Sep 21, 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 BMV trading days; minute timestamps are UTC. Prices are in MXN. 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 11, 2026, 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/AMTM/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on BMV
Common questions
AMTM share price history
