Premarket trading runs 4:00 AM – 9:30 AM ET.
Over the past 5 years, ONON has had 35 qualifying gap events (gaps of 5% or more at the open) — 19 gap-ups and 16 gap-downs. Gap-ups averaged +9.4%, 84% have fully filled, median time to fill 2.5 trading days. Gap-downs averaged -8.1%, 88% have fully filled, median time to fill 3 trading days. Most recent: a -5.7% gap down on May 12, 2026, which filled in 1 trading day. Average 20-trading-day return after a ONON gap up: -3.84%. After a gap down: +9.49%.
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 74% | 84% | 89% | 89% |
| fills 50% | 47% | 68% | 74% | 79% |
| fills 75% | 32% | 63% | 68% | 74% |
| fills 100% | 26% | 53% | 58% | 68% |
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 94% | 94% | 94% | 100% |
| fills 50% | 63% | 81% | 81% | 81% |
| fills 75% | 44% | 75% | 75% | 75% |
| fills 100% | 31% | 75% | 75% | 75% |
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 25 days ago | $34.04 | -5.66% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-04-08 | $32.21 | +7.42% | Filled | 2d | 25d | 45% | 67% | 67% | 67% |
| 2026-03-25 | $39.59 | -6.62% | Filled | 39d | 42d | 20% | 20% | 20% | 35% |
| 2026-03-03 | $46.76 | -12.23% | Open | 1d | — | 53% | 54% | 54% | 54% |
| 2025-11-12 | $35.18 | +24.62% | Open | — | — | 33% | 33% | 41% | 41% |
| 2025-08-12 | $45.72 | +14.17% | Filled | 1d | 3d | 55% | 100% | 100% | 100% |
| 2025-05-13 | $51.31 | +7.21% | Filled | 23d | 23d | 9% | 9% | 9% | 9% |
| 2025-04-07 | $39.61 | -6.49% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-04-04 | $37.65 | -6.64% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-04-03 | $44.92 | -16.52% | Filled | 2d | 5d | 39% | 100% | 100% | 100% |
| 2025-03-12 | $45.17 | +5.38% | Filled | 2d | 2d | 44% | 100% | 100% | 100% |
| 2025-03-04 | $47.85 | +6.25% | Filled | 1d | 4d | 83% | 100% | 100% | 100% |
| 2025-02-03 | $59.88 | -5.74% | Filled | 1d | 4d | 77% | 100% | 100% | 100% |
| 2024-08-13 | $39.55 | +5.01% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2024-08-05 | $38.67 | -8.86% | Filled | 1d | 3d | 88% | 100% | 100% | 100% |
| 2024-05-14 | $30.69 | +15.15% | Open | — | — | 38% | 38% | 38% | 38% |
| 2024-03-12 | $33.62 | -13.38% | Filled | 2d | 5d | 40% | 100% | 100% | 100% |
| 2023-11-14 | $26.56 | -5.01% | Filled | 1d | 2d | 65% | 100% | 100% | 100% |
| 2023-09-29 | $26.23 | +6.10% | Filled | 2d | 2d | 19% | 100% | 100% | 100% |
| 2023-08-15 | $34.61 | -12.74% | Open | — | — | 28% | 40% | 40% | 40% |
| 2023-05-16 | $33.44 | -6.34% | Filled | 31d | 33d | 27% | 27% | 27% | 27% |
| 2023-03-21 | $21.57 | +20.31% | Open | — | — | 10% | 10% | 10% | 10% |
| 2022-12-13 | $17.72 | +5.25% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2022-11-10 | $16.45 | +6.81% | Filled | 7d | 26d | 5% | 33% | 88% | 88% |
| 2022-09-30 | $17.30 | -5.20% | Filled | 2d | 3d | 36% | 100% | 100% | 100% |
| 2022-05-17 | $20.40 | +13.48% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2022-03-18 | $24.43 | +8.80% | Filled | 6d | 7d | 49% | 83% | 100% | 100% |
| 2022-03-14 | $22.02 | -5.81% | Filled | 1d | 3d | 66% | 100% | 100% | 100% |
| 2022-02-24 | $23.83 | -6.63% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2022-02-01 | $26.37 | +5.42% | Filled | 1d | 13d | 71% | 90% | 90% | 100% |
| 2022-01-26 | $25.43 | +5.47% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2021-11-19 | $45.00 | +7.53% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2021-11-17 | $45.61 | -5.61% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2021-11-16 | $36.43 | +8.15% | Filled | 12d | 13d | 3% | 3% | 35% | 100% |
| 2021-09-17 | $37.49 | +5.73% | Filled | 1d | 2d | 69% | 100% | 100% | 100% |
On (ONON) is trading at $37.21 in premarket, down $0.26 (+0.69%) from the previous close of $37.47.
Premarket trading for ONON on the NYSE runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.
Over the past 5 years, 84% of ONON gap-ups have fully filled and 88% of gap-downs have filled. Median time to fill is 3 trading days for gap-ups and 3 trading days for gap-downs.
No. ONON has no unfilled gap events from the past 60 days; all recent gaps have been filled.
Based on 35 qualifying gap events over the past 5 years, the average 20-trading-day return after a ONON gap up is -3.84%, and after a gap down is +9.49%.