US stock · data to 2026-10-20
Dexcom (DXCM)
Dexcom: $86.39 on 2026-10-20. +30.4% a year since 2008, worst fall -66%. Year-by-year returns, risk profile and what followed its price patterns in the past.
Open the interactive chart and full historyKey numbers
| Last close | $86.39 |
| Return a year since 2008 | +30.4% |
| All-time high | $162.81 (2021-11-17) |
| Below its high | -46.9% |
| Worst fall | -66% (2025-11-10) |
| Yearly volatility | 49% |
| Beta vs its index | 1.16 |
| Risk / reward vs its market | High risk · High reward |
Returns by year
| Year | Return |
|---|---|
| 2026 | +30.2% |
| 2025 | -14.7% |
| 2024 | -37.3% |
| 2023 | +9.6% |
| 2022 | -15.6% |
| 2021 | +45.2% |
| 2020 | +69.0% |
| 2019 | +82.6% |
| 2018 | +108.7% |
| 2017 | -3.9% |
| 2016 | -27.1% |
| 2015 | +48.8% |
What followed its price patterns in the past
How often DXCM was higher 40 trading days after each pattern, next to an ordinary day. History for learning, not a forecast.
| Pattern | Past cases | Higher after 40 days | On an ordinary day | Median move |
|---|---|---|---|---|
| New 52-week high | 63 | 60% | 64% | +4.3% |
| Big up day | 61 | 62% | 64% | +6.2% |
| Up streak | 61 | 62% | 64% | +4.0% |
| RSI rises above 70 | 60 | 65% | 64% | +4.9% |
| Big down day | 47 | 53% | 64% | +1.7% |
| Down streak | 46 | 63% | 64% | +8.0% |
| Volume spike on an up day | 45 | 71% | 64% | +7.4% |
| Falls 20% from all-time high | 41 | 49% | 64% | -0.7% |
| Crosses above 200-day avg | 35 | 43% | 64% | -5.9% |
| Volume spike on a down day | 35 | 63% | 64% | +8.8% |
| Falls below 200-day avg | 34 | 38% | 64% | -4.8% |
| RSI drops below 30 | 33 | 55% | 64% | +8.9% |
ZOSH shows history and calculations for learning. It is not investment advice and does not tell anyone to buy or sell. Data: Yahoo Finance, AMFI, NSE and official sources; it can be late or wrong, so check before acting.