OPK chart · All upcoming earnings
| Move | Mean | Median | Std dev | Hit rate |
|---|---|---|---|---|
| Day 1 | +3.7% | +1.1% | 12.0% | 50% |
| Day 2 | +0.1% | +2.4% | 7.0% | 80% |
| Day 3 | +0.5% | -0.4% | 4.0% | 40% |
| 5-day | +3.9% | +1.0% | 10.8% | 50% |
Day 1 = the close-to-close move on the first session to trade the news — hover for the EPS surprise.
| Report | Est | Actual | Surprise | Gap | 1-day | +5d | +1mo |
|---|---|---|---|---|---|---|---|
| 2026-07-27 beat | -0.11 | -0.03 | +76.3% | +11.3% | +33.1% | -20.6% | -8.5% |
| 2026-04-28 miss | -0.07 | -0.07 | -6.2% | -3.3% | -8.3% | +0.9% | +31.5% |
| 2026-02-26 beat | -0.07 | -0.04 | +48.9% | -0.8% | +0.0% | -1.7% | -8.3% |
| 2025-10-29 beat | -0.04 | 0.03 | +166.7% | -2.1% | +2.1% | -5.5% | -9.6% |
| 2025-07-31 beat | -0.10 | -0.08 | +17.9% | -4.7% | -7.0% | +5.0% | +14.3% |
| 2025-04-30 beat | -0.11 | -0.09 | +13.8% | -5.1% | -2.2% | -6.7% | +2.2% |
| 2025-02-27 beat | -0.10 | 0.01 | +110.0% | +4.3% | +6.7% | +9.2% | -4.6% |
| 2024-11-07 beat | -0.09 | 0.03 | +132.1% | +0.7% | +4.8% | +7.9% | +2.6% |
| 2024-08-07 beat | -0.09 | -0.01 | +89.5% | +6.2% | +11.7% | +10.5% | +9.1% |
| 2024-05-07 miss | -0.09 | -0.12 | -26.3% | -10.0% | -3.8% | +8.0% | +3.2% |
“1-day” is the close-to-close move over the session that first traded on the news (the next session for after-close reports). “+5d / +1mo” are the further drift from that close.
Earnings dates & estimates from Yahoo Finance (refreshed 2026-09-13); price reactions from end-of-day data. History, not a forecast. Not investment advice.