Premarket trading runs 4:00 AM – 9:30 AM ET.
SMMT is trading at $14.49 in premarket, down $0.01 (0.06%) from its previous close of $14.50.
📅 SMMT reported earnings on Oct 26, 2026 after the close, with an estimated EPS of $-0.28. SMMT earnings details →
Over the past 5 years, SMMT has had 31 qualifying gap events (gaps of 5% or more at the open) — 14 gap-ups and 17 gap-downs. Gap-ups averaged +10.9%, 86% have fully filled, median time to fill 2.5 trading days. Gap-downs averaged -10.1%, 76% have fully filled, median time to fill 4 trading days. Most recent: a +22.2% gap up on Sep 29, 2026, which filled in 11 trading days. Average 20-trading-day return after a SMMT gap up: -2.83%. After a gap down: +11.14%.
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 71% | 86% | 86% | 93% |
| fills 50% | 64% | 86% | 86% | 86% |
| fills 75% | 50% | 86% | 86% | 86% |
| fills 100% | 36% | 64% | 79% | 79% |
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 71% | 94% | 100% | 100% |
| fills 50% | 59% | 71% | 76% | 82% |
| fills 75% | 41% | 59% | 59% | 71% |
| fills 100% | 12% | 53% | 53% | 65% |
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 28 days ago | $15.48 | +22.16% | Filled | 1d | 11d | 80% | 80% | 100% | 100% |
| 2026-09-09 | $17.28 | +5.35% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-09-03 | $14.60 | +6.30% | Filled | 29d | 31d | 1% | 1% | 1% | 37% |
| 2026-08-26 | $13.36 | +10.40% | Open | 2d | — | 46% | 99% | 99% | 99% |
| 2026-07-24 | $14.98 | -8.41% | Filled | 1d | 13d | 56% | 56% | 56% | 100% |
| 2026-06-10 | $14.29 | -8.20% | Filled | 1d | 4d | 80% | 100% | 100% | 100% |
| 2026-05-22 | $17.47 | -5.67% | Filled | 1d | 3d | 93% | 100% | 100% | 100% |
| 2026-05-01 | $21.46 | -25.35% | Open | 7d | — | 15% | 40% | 62% | 62% |
| 2025-10-24 | $18.75 | +5.97% | Filled | 1d | 4d | 63% | 100% | 100% | 100% |
| 2025-10-20 | $20.99 | -10.20% | Open | 1d | — | 100% | 100% | 100% | 100% |
| 2025-09-12 | $18.60 | +6.56% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-09-10 | $18.82 | -7.20% | Filled | 2d | 3d | 47% | 100% | 100% | 100% |
| 2025-09-08 | $25.98 | -17.13% | Open | 26d | — | 28% | 28% | 28% | 28% |
| 2025-08-26 | $26.27 | +14.12% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-05-30 | $26.21 | -19.11% | Filled | 24d | 28d | 9% | 9% | 37% | 37% |
| 2025-05-02 | $24.67 | +5.11% | Filled | 3d | 3d | 10% | 100% | 100% | 100% |
| 2025-04-25 | $36.70 | -6.05% | Open | 1d | — | 65% | 65% | 65% | 65% |
| 2025-04-23 | $27.35 | +9.51% | Filled | 1d | 3d | 53% | 100% | 100% | 100% |
| 2025-04-07 | $17.36 | -7.78% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-04-03 | $20.46 | -5.21% | Filled | 6d | 6d | 23% | 100% | 100% | 100% |
| 2025-03-26 | $20.24 | +5.98% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-01-27 | $23.76 | -5.18% | Filled | 1d | 2d | 84% | 100% | 100% | 100% |
| 2024-10-04 | $18.61 | +8.60% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2024-09-27 | $22.81 | -5.79% | Filled | 14d | 14d | 16% | 42% | 42% | 100% |
| 2024-09-12 | $22.70 | +8.77% | Filled | 6d | 8d | 17% | 88% | 100% | 100% |
| 2024-09-09 | $12.27 | +30.89% | Open | — | — | 3% | 3% | 3% | 3% |
| 2024-08-05 | $10.41 | -9.17% | Filled | 1d | 2d | 75% | 100% | 100% | 100% |
| 2024-08-02 | $10.66 | -5.63% | Filled | 1d | 6d | 60% | 100% | 100% | 100% |
| 2024-06-03 | $8.69 | +13.30% | Filled | 1d | 2d | 97% | 100% | 100% | 100% |
| 2024-05-31 | $10.92 | -16.94% | Filled | 33d | 39d | 23% | 47% | 47% | 47% |
| 2023-01-04 | $5.00 | -8.47% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
Summit Therapeutics (SMMT) is trading at $14.49 in premarket, down $0.01 (0.06%) from the previous close of $14.50.
Summit Therapeutics (SMMT) is down 0.06% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest SMMT premarket headlines and gap history below for the likely catalyst.
Premarket trading for SMMT on the NASDAQ 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, 86% of SMMT gap-ups have fully filled and 76% of gap-downs have filled. Median time to fill is 3 trading days for gap-ups and 4 trading days for gap-downs.
No. SMMT has no unfilled gap events from the past 60 days; all recent gaps have been filled.
Based on 31 qualifying gap events over the past 5 years, the average 20-trading-day return after a SMMT gap up is -2.83%, and after a gap down is +11.14%.
SMMT reported earnings on Oct 26, 2026 after the close, with an estimated EPS of $-0.28.