Borsa Italiana · 1DXCM · stock
DexCom, Inc. (1DXCM) stock price history
Every Borsa Italiana trading session of DexCom, Inc. from May 30, 2025 to Sep 25, 2026: 337 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.
1DXCM adjusted close, 2025 to 2026
- €78.60
- All time high, 2026
- €78.60
- 52 week high, €47.31 low
- 337
- Daily sessions since 2025
Last updated Sep 25, 2026, the last stored session. Refreshes after each trading day. Full 2025 to 2026 series and minute bars.
1DXCM key facts
- DexCom, Inc. (1DXCM) closed at €76.40 on Sep 25, 2026 on Borsa Italiana.
- 1DXCM's all time high close is €78.60, set on Aug 14, 2026; its all time low close is €47.31 on Nov 10, 2025.
- 1DXCM's 52 week range is €47.31 to €78.60.
- 1DXCM returned +33.0% over the year to Sep 25, 2026.
- Since May 30, 2025 1DXCM returned +1%, +0.4% a year compounded.
- 1DXCM's deepest drawdown was -38.7% from Aug 25, 2025 to Nov 10, 2025.
- DataCedar holds 337 daily sessions of 1DXCM history from May 30, 2025 and minute bars from Sep 18, 2026, adjusted for splits and dividends, served by the API under a key.
1DXCM price chart, 2025 to 2026
1DXCM returns
Price return from the last close on or before the window start to Sep 25, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -1.5% |
| 3 months | +24.0% |
| 6 months | +30.8% |
| Year to date | +33.6% |
| 1 year | +33.0% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since May 30, 2025 | +0.5% |
| Compound annual growth, 1.3 years | +0.4% |
1DXCM records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €78.60 on Aug 14, 2026
- All time low close
- €47.31 on Nov 10, 2025
- 52 week high
- €78.60 on Aug 14, 2026
- 52 week low
- €47.31 on Nov 10, 2025
- Deepest drawdown
- -38.7% from Aug 25, 2025 to Nov 10, 2025, recovered Aug 14, 2026
- Best single session
- +12.2% on Jul 31, 2026
- Worst single session
- -15.5% on Oct 31, 2025
- Volatility, 1 year annualised
- 39.0%
- Sessions closing higher, 1 year
- 30%
1DXCM 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 May 30, 2025; 2026 runs to Sep 25, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €57.19 | €78.60 | €49.80 | €76.40 | +33.6% | 23.2K | 188 |
| 2025 | €76.12 | €77.31 | €47.58 | €57.19 | n/a | 18.8K | 149 |
1DXCM monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €76.40 | -1.5% |
| August 2026 | €77.60 | +8.4% |
| July 2026 | €71.60 | +16.6% |
| June 2026 | €61.40 | -1.9% |
| May 2026 | €62.60 | +25.7% |
| April 2026 | €49.80 | -8.0% |
| March 2026 | €54.11 | -13.7% |
| February 2026 | €62.69 | +1.8% |
| January 2026 | €61.56 | +7.6% |
| December 2025 | €57.19 | +4.1% |
| November 2025 | €54.95 | +9.7% |
| October 2025 | €50.07 | -14.4% |
About the 1DXCM data
Daily bars. 337 sessions from May 30, 2025 to Sep 25, 2026, one row per Borsa Italiana 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 25, 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 Borsa Italiana trading days; minute timestamps are UTC. Prices are in EUR. 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 30, 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/1DXCM/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Borsa Italiana
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Common questions
1DXCM share price history
