464.16 USD
↗ 0.15 (0.03%)PRE MARKET (AS OF 05:29 AM EDT)
TMO Stock Premarket
Thermo Fisher Scientific, Inc.
TMONYSE • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
TMO last traded at $464.16 in premarket, up $0.15 (0.03%) from its previous close of $464.01.
📅 TMO is scheduled to report earnings on Jul 22, 2026 before the open (confirmed), with an estimated EPS of $5.72. TMO earnings details →
TMO Premarket Chart
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, TMO has had 6 qualifying gap events (gaps of 5% or more at the open) — 4 gap-ups and 2 gap-downs. Gap-ups averaged +7.4%, 75% have fully filled, median time to fill 8 trading days. Gap-downs averaged -7.9%, 50% have fully filled, median time to fill 8 trading days. Most recent: a -8% gap down on Apr 23, 2026, still unfilled. Average 20-trading-day return after a TMO gap up: -3.54%. After a gap down: +5.17%.
Gap Ups4 events
Fill Rate
75.0%
Avg Gap
7.4%
Avg 50% Fill
2d
Avg Fill
8d
Gap Downs2 events
Fill Rate
50.0%
Avg Gap
7.9%
Avg 50% Fill
14d
Avg Fill
8d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 75% | 75% | 100% | 100% |
| fills 50% | 50% | 75% | 100% | 100% |
| fills 75% | 25% | 25% | 75% | 75% |
| fills 100% | 25% | 25% | 75% | 75% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 50% | 50% | 50% | 50% |
| fills 50% | 0% | 50% | 50% | 50% |
| fills 75% | 0% | 0% | 50% | 50% |
| fills 100% | 0% | 0% | 50% | 50% |
Complete Gap History — 6 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2026-04-23 | $513.98 | -8.04% | Open | 26d | — | 9% | 18% | 22% | 22% |
| 2025-07-23 | $427.62 | +10.67% | Open | 11d | — | 17% | 18% | 59% | 59% |
| 2025-04-23 | $434.73 | +5.02% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2023-10-25 | $458.26 | -7.69% | Filled | 2d | 8d | 45% | 67% | 100% | 100% |
| 2022-04-28 | $520.48 | +7.54% | Filled | 3d | 8d | 30% | 61% | 100% | 100% |
| 2021-09-17 | $560.44 | +6.53% | Filled | 1d | 11d | 58% | 58% | 100% | 100% |
Frequently Asked Questions
What is TMO's premarket price?
Thermo Fisher Scientific (TMO) is trading at $464.16 in premarket, up $0.15 (0.03%) from the previous close of $464.01.
Why is TMO moving in premarket?
Thermo Fisher Scientific (TMO) is up 0.03% 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 TMO premarket headlines and gap history below for the likely catalyst.
When does TMO premarket trading start?
Premarket trading for TMO 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.
How often does TMO fill its gaps?
Over the past 5 years, 75% of TMO gap-ups have fully filled and 50% of gap-downs have filled. Median time to fill is 8 trading days for gap-ups and 8 trading days for gap-downs.
Does TMO have any unfilled gaps?
No. TMO has no unfilled gap events from the past 60 days; all recent gaps have been filled.
What's the average return after a TMO gap?
Based on 6 qualifying gap events over the past 5 years, the average 20-trading-day return after a TMO gap up is -3.54%, and after a gap down is +5.17%.
When does TMO report earnings?
TMO is scheduled to report earnings on Jul 22, 2026 before the open (confirmed), with an estimated EPS of $5.72. Thermo Fisher Scientific is expected to report Q2 2026 earnings on July 22, 2026, before the market opens. This date is widely cited by major financial calendars and aligns with the company's historical reporting pattern of the second-to-last Wednesday in July.