Aspen Technology, Inc. (AZPN) by event type
AZPN moves most on analyst upgrades — a median of +0.39% at 30 minutes across 17 measured events. Each row is measured over the last three years and read against the price at its own news timestamp. Back to the AZPN overview →
How AZPN reacts across 3 measured event types.
| Event | Events | Median 30-min | % positive | Median to close |
|---|---|---|---|---|
| Analyst upgrades 488 of 2,717 | 17 | +0.39% | 94% | +1.83% |
| Coverage initiations 1,065 of 2,283 | 15 | +0.02% | 67% | +0.03% |
| Rating reiterations 1,523 of 3,522 | 18 | +0.01% | 50% | -0.03% |
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. 3 further classes were observed with fewer than 10 measured events and are not published.
That’s how AZPN usually reacts — get an email when it moves on news →Every name measured for these event types: Analyst upgrades → · Coverage initiations → · Rating reiterations → · AZPN overview →
Other Technology names, measured the same way
| Ticker | Events | Median 30-min | % positive |
|---|---|---|---|
| AudioEye, Inc. (AEYE) | 255 | -0.26% | 45% |
| LSI Industries Inc. (LYTS) | 254 | -0.00% | 48% |
| Energizer Holdings, Inc. (ENR) | 251 | +0.08% | 53% |
| QUARTERHILL INC COMMON SHARES (QTRH) | 251 | 0.00% | 39% |
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.