43.62 USD
↘ 0.48 (1.08%)PRE MARKET (AS OF 05:51 AM EDT)
STM Stock Premarket
STMicroelectronics N.V.
STMNYSE • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
STM is trading at $43.62 in premarket, down $0.48 (1.08%) from its previous close of $44.09.
📅 STM is expected to report earnings around Oct 29, 2026 before the open (estimated), with an estimated EPS of $0.40. STM earnings details →
STM Premarket Chart
STM Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, STM has had 56 qualifying gap events (gaps of 5% or more at the open) — 27 gap-ups and 29 gap-downs. Gap-ups averaged +6.3%, 59% have fully filled, median time to fill 5 trading days. Gap-downs averaged -7.4%, 83% have fully filled, median time to fill 6 trading days. Most recent: a -5% gap down 8 days ago, which filled in 5 trading days. STM has 1 unfilled gap from the past 60 days — a -5.9% gap down on Oct 7, 2026, currently 41% retraced. Average 20-trading-day return after a STM gap up: +4.96%. After a gap down: +8.23%.
Gap Ups27 events
Fill Rate
59.3%
Avg Gap
6.3%
Avg 50% Fill
4d
Avg Fill
5d
Gap Downs29 events
Fill Rate
82.8%
Avg Gap
7.4%
Avg 50% Fill
3d
Avg Fill
6d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 56% | 78% | 78% | 85% |
| fills 50% | 15% | 59% | 63% | 70% |
| fills 75% | 11% | 56% | 59% | 63% |
| fills 100% | 11% | 41% | 41% | 44% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 62% | 83% | 86% | 86% |
| fills 50% | 28% | 62% | 72% | 76% |
| fills 75% | 17% | 55% | 66% | 72% |
| fills 100% | 3% | 45% | 66% | 69% |
Active Unfilled Gaps (past 60 days)
16 days ago
2026-10-07
Gap %
-5.93%
Gap From
$58.72
% vs Current
+33.18%
retraced 41% to $56.65
Complete Gap History — 56 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 8 days ago | $46.90 | -5.02% | Filled | 1d | 5d | 94% | 100% | 100% | 100% |
| 16 days ago | $58.72 | -5.93% | Open | — | — | 41% | 41% | 41% | 41% |
| 2026-09-14 | $51.51 | -7.05% | Filled | 5d | 6d | 19% | 100% | 100% | 100% |
| 2026-07-30 | $48.36 | +7.18% | Filled | 16d | 32d | 12% | 33% | 33% | 83% |
| 2026-07-28 | $53.45 | -5.69% | Filled | 3d | 4d | 31% | 100% | 100% | 100% |
| 2026-07-23 | $65.77 | -17.29% | Open | — | — | 20% | 20% | 20% | 23% |
| 2026-07-21 | $61.78 | +5.75% | Filled | 3d | 3d | 35% | 100% | 100% | 100% |
| 2026-07-07 | $71.39 | -5.60% | Filled | 3d | 3d | 33% | 100% | 100% | 100% |
| 2026-06-25 | $71.84 | +5.47% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-06-23 | $79.91 | -9.90% | Open | — | — | 26% | 49% | 49% | 49% |
| 2026-06-08 | $70.72 | +5.68% | Filled | 2d | 2d | 13% | 100% | 100% | 100% |
| 2026-06-05 | $78.36 | -5.97% | Filled | 2d | 6d | 17% | 100% | 100% | 100% |
| 2026-06-04 | $79.71 | -5.91% | Filled | 1d | 8d | 77% | 77% | 100% | 100% |
| 2026-06-02 | $69.02 | +10.65% | Filled | 4d | 6d | 10% | 100% | 100% | 100% |
| 2026-05-15 | $64.38 | -5.84% | Filled | 2d | 4d | 42% | 100% | 100% | 100% |
| 2026-05-13 | $57.93 | +5.71% | Filled | 5d | 49d | 27% | 65% | 65% | 65% |
| 2026-04-23 | $44.86 | +7.29% | Open | — | — | 1% | 1% | 1% | 1% |
| 2026-04-08 | $35.68 | +6.63% | Open | — | — | 33% | 33% | 33% | 33% |
| 2026-04-02 | $34.52 | -5.16% | Filled | 1d | 2d | 93% | 100% | 100% | 100% |
| 2026-03-19 | $33.23 | -5.22% | Filled | 1d | 5d | 73% | 100% | 100% | 100% |
| 2026-03-06 | $33.31 | -5.24% | Filled | 2d | 2d | 18% | 100% | 100% | 100% |
| 2026-03-03 | $33.48 | -6.87% | Filled | 2d | 3d | 32% | 100% | 100% | 100% |
| 2026-02-09 | $29.85 | +7.20% | Open | 16d | — | 2% | 2% | 2% | 62% |
| 2026-01-29 | $30.33 | -6.76% | Filled | 5d | 8d | 28% | 66% | 100% | 100% |
| 2026-01-02 | $25.94 | +6.09% | Open | — | — | 17% | 17% | 17% | 39% |
| 2025-10-23 | $29.12 | -11.06% | Filled | 49d | 51d | 16% | 16% | 16% | 16% |
| 2025-09-18 | $27.19 | +5.04% | Filled | 2d | 17d | 49% | 79% | 79% | 100% |
| 2025-07-24 | $31.77 | -15.55% | Open | 52d | — | 2% | 2% | 2% | 2% |
| 2025-06-04 | $25.67 | +7.99% | Filled | 35d | 40d | 1% | 1% | 1% | 1% |
| 2025-05-27 | $24.41 | +5.41% | Open | 2d | — | 40% | 90% | 90% | 90% |
| 2025-05-12 | $23.93 | +5.73% | Open | 10d | — | 29% | 29% | 75% | 75% |
| 2025-04-24 | $21.78 | +7.12% | Open | 5d | — | 32% | 88% | 88% | 88% |
| 2025-04-10 | $21.60 | -7.69% | Filled | 8d | 9d | 9% | 47% | 100% | 100% |
| 2025-01-30 | $24.74 | -8.89% | Filled | 10d | 14d | 11% | 17% | 67% | 100% |
| 2025-01-06 | $24.41 | +5.12% | Filled | 4d | 5d | 5% | 100% | 100% | 100% |
| 2024-08-05 | $30.22 | -5.20% | Filled | 1d | 9d | 78% | 78% | 100% | 100% |
| 2024-07-25 | $39.54 | -12.65% | Open | — | — | 17% | 17% | 17% | 17% |
| 2024-04-24 | $39.98 | +5.88% | Filled | 4d | 5d | 26% | 100% | 100% | 100% |
| 2023-11-14 | $41.28 | +5.60% | Open | 43d | — | 17% | 17% | 17% | 17% |
| 2023-09-07 | $46.09 | -5.10% | Filled | 22d | 53d | 26% | 49% | 49% | 49% |
| 2023-07-27 | $51.55 | +6.38% | Filled | 2d | 6d | 22% | 100% | 100% | 100% |
| 2023-04-27 | $46.28 | -7.71% | Filled | 16d | 29d | 7% | 26% | 26% | 77% |
| 2023-03-02 | $48.97 | -5.63% | Filled | 1d | 3d | 64% | 100% | 100% | 100% |
| 2023-01-26 | $43.33 | +5.91% | Open | — | — | 26% | 26% | 26% | 26% |
| 2022-12-13 | $38.92 | +5.45% | Filled | 1d | 2d | 75% | 100% | 100% | 100% |
| 2022-11-10 | $32.86 | +7.24% | Open | — | — | 11% | 11% | 11% | 11% |
| 2022-11-04 | $29.91 | +6.99% | Open | — | — | 33% | 33% | 33% | 33% |
| 2022-10-27 | $34.58 | -6.30% | Filled | 9d | 11d | 39% | 39% | 100% | 100% |
| 2022-10-18 | $31.76 | +5.07% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2022-10-04 | $32.06 | +5.46% | Filled | 4d | 5d | 11% | 100% | 100% | 100% |
| 2022-07-05 | $30.40 | -6.48% | Filled | 1d | 3d | 58% | 100% | 100% | 100% |
| 2022-06-13 | $36.31 | -5.51% | Filled | 3d | 31d | 22% | 66% | 66% | 66% |
| 2022-03-09 | $36.72 | +7.49% | Filled | 3d | 27d | 31% | 76% | 76% | 76% |
| 2022-03-04 | $40.36 | -7.66% | Filled | 4d | 9d | 31% | 97% | 100% | 100% |
| 2022-02-24 | $41.63 | -5.91% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2022-01-27 | $44.33 | +5.84% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
Related: STM quote & chart · After hours · Technical analysis · Fundamentals · Earnings · Short interest
Frequently Asked Questions
What is STM's premarket price?
STMicroelectronics N.V. (STM) is trading at $43.62 in premarket, down $0.48 (1.08%) from the previous close of $44.09.
Why is STM moving in premarket?
STMicroelectronics N.V. (STM) is down 1.08% 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 STM premarket headlines and gap history below for the likely catalyst.
When does STM premarket trading start?
Premarket trading for STM 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 STM fill its gaps?
Over the past 5 years, 59% of STM gap-ups have fully filled and 83% of gap-downs have filled. Median time to fill is 5 trading days for gap-ups and 6 trading days for gap-downs.
Does STM have any unfilled gaps?
Yes. STM has 1 unfilled gap from the past 60 days. The largest is a -5.9% gap down from Oct 7, 2026 and is currently 41% retraced.
What's the average return after a STM gap?
Based on 56 qualifying gap events over the past 5 years, the average 20-trading-day return after a STM gap up is +4.96%, and after a gap down is +8.23%.
When does STM report earnings?
STM is expected to report earnings around Oct 29, 2026 before the open (estimated), with an estimated EPS of $0.40.