572.00 USD
↘ 2.30 (0.40%)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 $572.00 in premarket, down $2.30 (0.40%) from its previous close of $574.30.
📅 TMO is expected to report earnings around Oct 28, 2026 before the open (estimated), with an estimated EPS of $6.40. TMO earnings details →
TMO Premarket Chart
TMO Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, TMO has had 7 qualifying gap events (gaps of 5% or more at the open) — 5 gap-ups and 2 gap-downs. Gap-ups averaged +7.7%, 60% have fully filled, median time to fill 8 trading days. Gap-downs averaged -7.9%, 100% have fully filled, median time to fill 26 trading days. Most recent: a +9% gap up 11 days ago, still unfilled. TMO has 1 unfilled gap from the past 60 days — a +9% gap up on Jul 23, 2026, currently 38% retraced. Average 20-trading-day return after a TMO gap up: -3.54%. After a gap down: +5.17%.
Gap Ups5 events
Fill Rate
60.0%
Avg Gap
7.7%
Avg 50% Fill
2d
Avg Fill
8d
Gap Downs2 events
Fill Rate
100.0%
Avg Gap
7.9%
Avg 50% Fill
14d
Avg Fill
26d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 60% | 80% | 100% | 100% |
| fills 50% | 40% | 60% | 80% | 80% |
| fills 75% | 20% | 20% | 60% | 60% |
| fills 100% | 20% | 20% | 60% | 60% |
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% |
Active Unfilled Gaps (past 60 days)
11 days ago
2026-07-23
Gap %
+8.97%
Gap From
$526.46
% vs Current
-8.33%
retraced 38% to $555.93
Complete Gap History — 7 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 11 days ago | $526.46 | +8.97% | Open | — | — | 10% | 38% | 38% | 38% |
| 2026-04-23 | $513.98 | -8.04% | Filled | 26d | 44d | 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 $572.00 in premarket, down $2.30 (0.40%) from the previous close of $574.30.
Why is TMO moving in premarket?
Thermo Fisher Scientific (TMO) is down 0.40% 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, 60% of TMO gap-ups have fully filled and 100% of gap-downs have filled. Median time to fill is 8 trading days for gap-ups and 26 trading days for gap-downs.
Does TMO have any unfilled gaps?
Yes. TMO has 1 unfilled gap from the past 60 days. The largest is a +9.0% gap up from Jul 23, 2026 and is currently 38% retraced.
What's the average return after a TMO gap?
Based on 7 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 expected to report earnings around Oct 28, 2026 before the open (estimated), with an estimated EPS of $6.40.