GRMN chart · All upcoming earnings
| Move | Mean | Median | Std dev | Hit rate |
|---|---|---|---|---|
| Day 1 | +4.5% | +5.8% | 12.0% | 60% |
| Day 2 | -1.0% | -0.5% | 2.1% | 30% |
| Day 3 | -0.2% | -0.3% | 2.1% | 30% |
| 5-day | +4.4% | +1.9% | 14.6% | 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 |
|---|---|---|---|---|---|---|---|
| 2026-07-29 beat | 2.29 | 2.81 | +22.5% | +3.2% | +16.2% | +2.6% | -1.7% |
| 2026-04-29 beat | 1.84 | 2.08 | +13.1% | -2.4% | +2.1% | -4.1% | -7.6% |
| 2026-02-18 beat | 2.39 | 2.79 | +16.6% | +15.8% | +9.4% | +6.1% | -1.0% |
| 2025-10-29 | 1.99 | 1.99 | — | -11.1% | -11.5% | -6.4% | -11.1% |
| 2025-07-30 beat | 1.90 | 2.17 | +14.4% | +0.5% | -7.4% | +3.9% | +8.8% |
| 2025-04-30 miss | 1.68 | 1.61 | -4.0% | -8.9% | -8.4% | +0.7% | +8.6% |
| 2025-02-19 beat | 2.02 | 2.41 | +19.2% | +10.8% | +12.6% | -6.2% | -13.7% |
| 2024-10-30 beat | 1.45 | 1.99 | +37.7% | +11.9% | +23.2% | +2.3% | +3.7% |
| 2024-07-31 beat | 1.44 | 1.58 | +9.8% | -2.2% | -4.5% | -5.2% | +5.5% |
| 2024-05-01 beat | 1.01 | 1.42 | +40.3% | +6.1% | +13.1% | +4.0% | +0.3% |
“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.