Boston Scientific Corporation (BSX) by event type
BSX moves most on analyst downgrades — a median of +0.36% at 30 minutes across 39 measured events. Each row is measured over the last three years and read against the price at its own news timestamp. Back to the BSX overview →
How BSX reacts across 5 measured event types.
| Event | Events | Median 30-min | % positive | Median to close |
|---|---|---|---|---|
| Analyst upgrades 2,077 of 2,717 | 29 | -0.25% | 35% | +0.03% |
| Analyst downgrades 522 of 2,603 | 39 | +0.36% | 64% | +0.41% |
| Rating reiterations 1,958 of 3,522 | 264 | -0.02% | 48% | -0.07% |
| Price-target raises 1,063 of 1,790 | 100 | -0.03% | 46% | -0.05% |
| Price-target cuts 946 of 1,527 | 38 | -0.06% | 50% | -0.00% |
Last 3 years, pulled 2026-09-21. Reaction = percent move vs. the price at the news timestamp. Counts and medians only. The rank under each event type orders every name measured for it by median 30-min reaction, most positive first — so a low rank on a downgrade means this name falls harder than most, not that it moves less. Names with an identical median share a rank; a name the cross-section does not carry shows no rank rather than a guessed one. 1 further class was observed with fewer than 10 measured events and is not published.
That’s how BSX usually reacts — get an email when it moves on news →Every name measured for these event types: Analyst upgrades → · Analyst downgrades → · Rating reiterations → · Price-target raises → · Price-target cuts → · BSX overview →
Other Healthcare names, measured the same way
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| Illumina, Inc. (ILMN) | 914 | +0.02% | 51% |
| Twist Bioscience Corporation (TWST) | 914 | -0.01% | 50% |
| Concert Pharmaceuticals, Inc. (CNCE) | 911 | 0.00% | 48% |
| TROVAGENE (TROV) | 906 | -0.52% | 40% |
Same sector, same measurement: percent move vs. the price at the news timestamp, read at 30 minutes. Sample sizes differ, so the medians are comparable but the confidence behind them is not.