SIX · AERO · stock
Montana Aerospace AG (AERO) stock price history
Every SIX trading session of Montana Aerospace AG from May 11, 2021 to Sep 28, 2026: 1,355 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.
AERO adjusted close, 2021 to 2026
- CHF 40.45
- All time high, 2021
- CHF 35.30
- 52 week high, CHF 19.78 low
- 1,355
- Daily sessions since 2021
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2021 to 2026 series and minute bars.
AERO key facts
- Montana Aerospace AG (AERO) closed at CHF 23.10 on Sep 28, 2026 on SIX.
- AERO's all time high close is CHF 40.45, set on Aug 16, 2021; its all time low close is CHF 10.10 on Sep 29, 2022.
- AERO's 52 week range is CHF 19.78 to CHF 35.30.
- AERO returned -17.1% over the year to Sep 28, 2026 and -31.2% over five years.
- Since May 11, 2021 AERO returned -7%, -1.4% a year compounded.
- AERO's deepest drawdown was -75.0% from Aug 16, 2021 to Sep 29, 2022.
- DataCedar holds 1,355 daily sessions of AERO history from May 11, 2021 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
AERO price chart, 2021 to 2026
AERO returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -5.1% |
| 3 months | +13.0% |
| 6 months | -8.7% |
| Year to date | -18.4% |
| 1 year | -17.1% |
| 3 years | +98.5% |
| 5 years | -31.2% |
| 10 years | n/a |
| Since May 11, 2021 | -7.2% |
| Compound annual growth, 5.4 years | -1.4% |
AERO records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- CHF 40.45 on Aug 16, 2021
- All time low close
- CHF 10.10 on Sep 29, 2022
- 52 week high
- CHF 35.30 on Feb 18, 2026
- 52 week low
- CHF 19.78 on Jun 26, 2026
- Deepest drawdown
- -75.0% from Aug 16, 2021 to Sep 29, 2022, not yet recovered
- Best single session
- +40.2% on May 12, 2021
- Worst single session
- -19.7% on Nov 13, 2025
- Volatility, 1 year annualised
- 53.4%
- Sessions closing higher, 1 year
- 48%
- Best calendar year
- 2025, +98%
- Worst calendar year
- 2022, -58%
AERO 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. 2021 starts on May 11, 2021; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | CHF 29.30 | CHF 35.30 | CHF 19.78 | CHF 23.10 | -18.4% | 27.1M | 186 |
| 2025 | CHF 14.26 | CHF 32.65 | CHF 13.30 | CHF 28.30 | +97.6% | 22.7M | 249 |
| 2024 | CHF 17.76 | CHF 21.45 | CHF 13.80 | CHF 14.32 | -18.9% | 8.5M | 250 |
| 2023 | CHF 14.50 | CHF 18.34 | CHF 9.68 | CHF 17.66 | +23.2% | 11.5M | 251 |
| 2022 | CHF 34.00 | CHF 36.75 | CHF 9.87 | CHF 14.34 | -57.6% | 15.7M | 254 |
| 2021 | CHF 24.90 | CHF 41.20 | CHF 24.90 | CHF 33.85 | n/a | 12.4M | 165 |
AERO monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | CHF 23.10 | -1.9% |
| August 2026 | CHF 23.55 | -2.7% |
| July 2026 | CHF 24.20 | +13.9% |
| June 2026 | CHF 21.25 | -10.0% |
| May 2026 | CHF 23.60 | +15.1% |
| April 2026 | CHF 20.50 | -20.7% |
| March 2026 | CHF 25.85 | -17.1% |
| February 2026 | CHF 31.20 | -6.4% |
| January 2026 | CHF 33.35 | +17.8% |
| December 2025 | CHF 28.30 | +14.3% |
| November 2025 | CHF 24.75 | -22.3% |
| October 2025 | CHF 31.85 | +14.6% |
About the AERO data
Daily bars. 1,355 sessions from May 11, 2021 to Sep 28, 2026, one row per SIX 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 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 SIX trading days; minute timestamps are UTC. Prices are in CHF. 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 May 11, 2021, 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/AERO/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on SIX
Common questions
AERO share price history
