OPK chart · All upcoming earnings
| Move | Mean | Median | Std dev | Hit rate |
|---|---|---|---|---|
| Day 1 | -0.7% | -1.6% | 10.9% | 37% |
| Day 2 | +0.5% | +1.6% | 5.4% | 63% |
| Day 3 | +1.6% | +1.5% | 4.2% | 60% |
| 5-day | +3.0% | -2.0% | 14.0% | 47% |
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% |
| 2024-02-27 beat | -0.10 | -0.09 | +10.0% | -4.8% | -5.7% | -5.1% | +21.2% |
| 2023-11-06 miss | -0.10 | -0.11 | -10.0% | -3.0% | +0.0% | +3.7% | +19.4% |
| 2023-08-03 beat | -0.07 | -0.03 | +58.1% | +7.0% | +7.6% | -9.0% | -12.6% |
| 2023-05-03 beat | -0.08 | -0.02 | +73.9% | +3.3% | +10.5% | +5.3% | -14.2% |
| 2023-02-23 beat | -0.11 | -0.11 | +1.5% | -3.6% | -5.4% | +9.4% | +24.5% |
| 2022-11-08 miss | -0.08 | -0.11 | -30.9% | -3.8% | -16.2% | +9.7% | -14.2% |
| 2022-08-05 miss | 0.03 | -0.14 | -660.0% | +3.1% | +7.5% | +6.5% | -11.0% |
| 2022-05-09 miss | -0.06 | -0.08 | -42.9% | +4.5% | +20.1% | +5.8% | -6.5% |
| 2022-02-24 miss | -0.02 | -0.11 | -450.0% | -13.3% | -0.9% | -4.4% | +11.9% |
| 2021-10-28 beat | -0.01 | 0.04 | +766.7% | +3.5% | +3.3% | +7.4% | +3.7% |
| 2021-07-29 miss | 0.02 | -0.03 | -266.7% | -9.9% | -7.8% | +10.8% | +11.6% |
| 2021-04-28 beat | 0.05 | 0.05 | +4.2% | -0.2% | -1.2% | -2.7% | -7.1% |
| 2021-02-18 beat | 0.04 | 0.05 | +19.1% | -5.0% | -10.3% | -6.4% | +2.7% |
| 2020-10-29 miss | 0.04 | 0.04 | -9.1% | -8.8% | -16.2% | +3.4% | +21.3% |
| 2020-07-30 beat | -0.07 | 0.05 | +175.8% | -4.9% | -12.9% | +9.3% | -37.1% |
| 2020-05-06 | -0.09 | -0.09 | — | -6.4% | -16.7% | +31.3% | +38.5% |
| 2020-02-26 miss | -0.09 | -0.18 | -105.7% | +2.2% | +4.3% | +43.1% | -2.8% |
| 2019-11-05 miss | -0.09 | -0.11 | -22.2% | -1.9% | -5.1% | -3.4% | +8.8% |
| 2019-08-07 beat | -0.11 | -0.11 | +1.4% | +2.1% | -2.1% | -0.5% | +0.0% |
| 2019-05-07 miss | -0.11 | -0.13 | -13.0% | -6.4% | -11.4% | -0.5% | -7.7% |
“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 2026-09-14); price reactions from end-of-day data. History, not a forecast. Not investment advice.