US stock · data to 2026-10-20
Boston Scientific (BSX)
Boston Scientific: $45.59 on 2026-10-20. +7.1% a year since 1992, worst fall -89%. 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 | $45.59 |
| Return a year since 1992 | +7.1% |
| All-time high | $108.14 (2025-09-08) |
| Below its high | -57.8% |
| Worst fall | -89% (2012-07-26) |
| Yearly volatility | 38% |
| Beta vs its index | 0.91 |
| Risk / reward vs its market | High risk · Medium reward |
Returns by year
| Year | Return |
|---|---|
| 2026 | -52.2% |
| 2025 | +6.8% |
| 2024 | +54.5% |
| 2023 | +24.9% |
| 2022 | +8.9% |
| 2021 | +18.2% |
| 2020 | -20.5% |
| 2019 | +28.0% |
| 2018 | +42.6% |
| 2017 | +14.6% |
| 2016 | +17.3% |
| 2015 | +39.2% |
What followed its price patterns in the past
How often BSX 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 |
|---|---|---|---|---|
| Big up day | 127 | 54% | 57% | +1.5% |
| New 52-week high | 112 | 62% | 57% | +2.9% |
| Volume spike on a down day | 95 | 61% | 57% | +3.6% |
| RSI rises above 70 | 94 | 63% | 57% | +3.1% |
| Volume spike on an up day | 94 | 65% | 57% | +4.4% |
| Up streak | 92 | 59% | 57% | +1.4% |
| Big down day | 89 | 53% | 57% | +2.5% |
| Down streak | 87 | 52% | 57% | +0.8% |
| Crosses above 200-day avg | 76 | 49% | 57% | -0.4% |
| Falls below 200-day avg | 76 | 55% | 57% | +1.6% |
| Squeeze breakout up | 66 | 55% | 57% | +1.6% |
| RSI drops below 30 | 65 | 51% | 57% | +1.5% |
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.