Prime Medicine, Inc. (PRME) by event type
PRME moves most on analyst downgrades — a median of -5.04% at 30 minutes across 14 measured events. Each row is measured over the last three years and read against the price at its own news timestamp. Back to the PRME overview →
How PRME reacts across 4 measured event types.
| Event | Events | Median 30-min | % positive | Median to close |
|---|---|---|---|---|
| Analyst upgrades 1,361 of 2,717 | 25 | 0.00% | 48% | -0.27% |
| Analyst downgrades 2,586 of 2,603 | 14 | -5.04% | 29% | -6.91% |
| Coverage initiations 2,202 of 2,283 | 32 | -1.75% | 25% | -0.40% |
| Rating reiterations 2,656 of 3,522 | 44 | -0.12% | 43% | -3.12% |
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. 2 further classes were observed with fewer than 10 measured events and are not published.
That’s how PRME usually reacts — get an email when it moves on news →Every name measured for these event types: Analyst upgrades → · Analyst downgrades → · Coverage initiations → · Rating reiterations → · PRME overview →