17.44 USD
↗ 0.04 (0.23%)PRE MARKET (AS OF 07:56 AM EDT)
SMMT Stock Premarket
Summit Therapeutics Inc. Common Stock
SMMTNASDAQ • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
SMMT is trading at $17.44 in premarket, up $0.04 (0.23%) from its previous close of $17.40.
📅 SMMT is expected to report earnings around Oct 19, 2026 after the close (estimated), with an estimated EPS of $-0.28. SMMT earnings details →
SMMT Premarket Chart
SMMT Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, SMMT has had 32 qualifying gap events (gaps of 5% or more at the open) — 13 gap-ups and 19 gap-downs. Gap-ups averaged +10.1%, 77% have fully filled, median time to fill 1.5 trading days. Gap-downs averaged -10.4%, 79% have fully filled, median time to fill 4 trading days. Most recent: a +5.3% gap up 7 days ago, which filled in 1 trading day. SMMT has 2 unfilled gaps from the past 60 days; the largest is a +10.4% gap up on Aug 26, 2026, currently 99% retraced. Average 20-trading-day return after a SMMT gap up: -5.43%. After a gap down: +10.45%.
Gap Ups13 events
Fill Rate
76.9%
Avg Gap
10.1%
Avg 50% Fill
1d
Avg Fill
1.5d
Gap Downs19 events
Fill Rate
78.9%
Avg Gap
10.4%
Avg 50% Fill
1d
Avg Fill
4d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 69% | 85% | 85% | 85% |
| fills 50% | 62% | 85% | 85% | 85% |
| fills 75% | 46% | 85% | 85% | 85% |
| fills 100% | 38% | 69% | 77% | 77% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 74% | 95% | 100% | 100% |
| fills 50% | 58% | 74% | 79% | 84% |
| fills 75% | 37% | 63% | 63% | 74% |
| fills 100% | 11% | 53% | 53% | 63% |
Active Unfilled Gaps (past 60 days)
13 days ago
2026-09-03
Gap %
+6.30%
Gap From
$14.60
% vs Current
-16.09%
retraced 1% to $15.52
21 days ago
2026-08-26
Gap %
+10.40%
Gap From
$13.36
% vs Current
-23.22%
retraced 99% to $13.37
Complete Gap History — 32 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 7 days ago | $17.28 | +5.35% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 13 days ago | $14.60 | +6.30% | Open | — | — | 1% | 1% | 1% | 1% |
| 21 days ago | $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% |
| 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% |
Related: SMMT quote & chart · After hours · Technical analysis · Fundamentals · Earnings · Short interest
Frequently Asked Questions
What is SMMT's premarket price?
Summit Therapeutics (SMMT) is trading at $17.44 in premarket, up $0.04 (0.23%) from the previous close of $17.40.
Why is SMMT moving in premarket?
Summit Therapeutics (SMMT) is up 0.23% 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.
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, 77% of SMMT gap-ups have fully filled and 79% of gap-downs have filled. Median time to fill is 2 trading days for gap-ups and 4 trading days for gap-downs.
Does SMMT have any unfilled gaps?
Yes. SMMT has 2 unfilled gaps from the past 60 days. The largest is a +10.4% gap up from Aug 26, 2026 and is currently 99% retraced.
What's the average return after a SMMT gap?
Based on 32 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 +10.45%.
When does SMMT report earnings?
SMMT is expected to report earnings around Oct 19, 2026 after the close (estimated), with an estimated EPS of $-0.28.