14.84 USD
PREVIOUS CLOSE
SMMT Stock Premarket
Summit Therapeutics Inc. Common Stock
SMMTNASDAQ • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
SMMT Premarket Chart
SMMT Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, SMMT has had 27 qualifying gap events (gaps of 5% or more at the open) — 10 gap-ups and 17 gap-downs. Gap-ups averaged +10.9%, 90% have fully filled, median time to fill 2 trading days. Gap-downs averaged -10.7%, 76% have fully filled, median time to fill 3 trading days. Most recent: a -5.7% gap down on May 22, 2026, which filled in 3 trading days. SMMT has 1 unfilled gap from the past 60 days — a -25.4% gap down on May 1, 2026, currently 62% retraced. Average 20-trading-day return after a SMMT gap up: -5.43%. After a gap down: +12.49%.
Gap Ups10 events
Fill Rate
90.0%
Avg Gap
10.9%
Avg 50% Fill
1d
Avg Fill
2d
Gap Downs17 events
Fill Rate
76.5%
Avg Gap
10.7%
Avg 50% Fill
1d
Avg Fill
3d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 70% | 90% | 90% | 90% |
| fills 50% | 70% | 90% | 90% | 90% |
| fills 75% | 50% | 90% | 90% | 90% |
| fills 100% | 40% | 80% | 90% | 90% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 71% | 94% | 100% | 100% |
| fills 50% | 53% | 71% | 76% | 82% |
| fills 75% | 35% | 65% | 65% | 71% |
| fills 100% | 12% | 53% | 53% | 59% |
Active Unfilled Gaps (past 60 days)
37 days ago
2026-05-01
Gap %
-25.35%
Gap From
$21.46
% vs Current
+45.29%
retraced 62% to $19.41
Complete Gap History — 27 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 16 days ago | $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% |
| 2021-09-30 | $4.83 | -5.95% | Filled | 1d | 3d | 74% | 100% | 100% | 100% |
| 2021-09-22 | $6.48 | -20.52% | Filled | 2d | 54d | 25% | 83% | 83% | 83% |
Frequently Asked Questions
What is SMMT's premarket price?
No premarket activity has been recorded yet for SMMT today. The previous regular-session close was $14.84.
When does SMMT premarket trading start?
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.
How often does SMMT fill its gaps?
Over the past 5 years, 90% of SMMT gap-ups have fully filled and 76% of gap-downs have filled. Median time to fill is 2 trading days for gap-ups and 3 trading days for gap-downs.
Does SMMT have any unfilled gaps?
Yes. SMMT has 1 unfilled gap from the past 60 days. The largest is a -25.4% gap down from May 1, 2026 and is currently 62% retraced.
What's the average return after a SMMT gap?
Based on 27 qualifying gap events over the past 5 years, the average 20-trading-day return after a SMMT gap up is -5.43%, and after a gap down is +12.49%.