284.26 USD
↘ 0.22 (0.08%)AFTER HOURS (AS OF Fri 07:58 PM EDT)
SIMO Stock After Hours
Silicon Motion Technology Corporation
SIMONASDAQ • USD
Market: CLOSED
After-hours trading runs 4:00 PM – 8:00 PM ET.
SIMO last traded at $284.26 after hours, down $0.22 (0.08%) from its regular-session close of $284.48.
📅 SIMO is expected to report earnings around Oct 29, 2026 after the close (estimated), with an estimated EPS of $3.30. SIMO earnings details →
SIMO After Hours Chart
SIMO After Hours News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, SIMO has had 16 qualifying gap events (gaps of 5% or more at the open) — 10 gap-ups and 6 gap-downs. Gap-ups averaged +10.4%, 60% have fully filled, median time to fill 2 trading days. Gap-downs averaged -6.3%, 100% have fully filled, median time to fill 3 trading days. Most recent: a +5.8% gap up on Aug 4, 2026, still unfilled. SIMO has 2 unfilled gaps from the past 60 days; the largest is a +24% gap up on Jul 30, 2026, currently 50% retraced. Average 20-trading-day return after a SIMO gap up: +21.75%. After a gap down: +25.58%.
Gap Ups10 events
Fill Rate
60.0%
Avg Gap
10.4%
Avg 50% Fill
1d
Avg Fill
2d
Gap Downs6 events
Fill Rate
100.0%
Avg Gap
6.3%
Avg 50% Fill
1.5d
Avg Fill
3d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 90% | 90% | 90% | 90% |
| fills 50% | 60% | 80% | 80% | 80% |
| fills 75% | 30% | 60% | 60% | 60% |
| fills 100% | 20% | 60% | 60% | 60% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 100% | 100% | 100% | 100% |
| fills 50% | 50% | 100% | 100% | 100% |
| fills 75% | 33% | 83% | 100% | 100% |
| fills 100% | 0% | 83% | 100% | 100% |
Active Unfilled Gaps (past 60 days)
41 days ago
2026-08-04
Gap %
+5.76%
Gap From
$251.52
% vs Current
-11.59%
retraced 53% to $258.30
46 days ago
2026-07-30
Gap %
+23.99%
Gap From
$209.68
% vs Current
-26.29%
retraced 50% to $235.09
Complete Gap History — 16 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2026-08-04 | $251.52 | +5.76% | Open | 1d | — | 53% | 53% | 53% | 53% |
| 2026-07-31 | $255.10 | +5.84% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-07-30 | $209.68 | +23.99% | Open | — | — | 49% | 49% | 49% | 49% |
| 2026-07-28 | $244.45 | -7.55% | Filled | 3d | 3d | 32% | 100% | 100% | 100% |
| 2026-07-21 | $252.61 | +6.86% | Filled | 1d | 5d | 52% | 100% | 100% | 100% |
| 2026-07-17 | $272.45 | -5.66% | Filled | 1d | 3d | 91% | 100% | 100% | 100% |
| 2026-07-14 | $299.51 | +6.01% | Filled | 1d | 2d | 74% | 100% | 100% | 100% |
| 2026-07-07 | $318.86 | -6.31% | Filled | 2d | 3d | 26% | 100% | 100% | 100% |
| 2026-06-25 | $321.66 | +7.18% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-06-23 | $336.90 | -7.69% | Filled | 2d | 3d | 46% | 100% | 100% | 100% |
| 2026-06-18 | $307.12 | +5.39% | Filled | 3d | 3d | 45% | 100% | 100% | 100% |
| 2026-06-04 | $306.57 | -5.40% | Filled | 1d | 10d | 73% | 73% | 100% | 100% |
| 2026-05-26 | $276.14 | +5.80% | Filled | 1d | 2d | 100% | 100% | 100% | 100% |
| 2026-04-29 | $149.18 | +30.71% | Open | — | — | 5% | 5% | 5% | 5% |
| 2026-04-08 | $117.01 | +6.18% | Open | 2d | — | 49% | 56% | 56% | 56% |
| 2026-04-02 | $116.98 | -5.39% | Filled | 1d | 2d | 84% | 100% | 100% | 100% |
Frequently Asked Questions
What is SIMO's after-hours price?
Silicon Motion Technology (SIMO) is trading at $284.26 after hours, down $0.22 (0.08%) from its regular-session close of $284.48.
Why is SIMO moving after hours?
SIMO is down 0.08% in after-hours trading. Moves in this session almost always follow something released after the 4:00 PM ET close — an earnings report, guidance, a filing, or news — and trade on far thinner volume than the regular session, so the size of the move can overstate what the market will settle on at the next open.
When does SIMO after-hours trading start and end?
After-hours trading in SIMO on the NASDAQ runs from 4:00 PM to 8:00 PM ET on trading days, immediately after the regular session closes. Not every broker offers the full window, and liquidity thins sharply after about 6:30 PM ET.
Will SIMO's after-hours move hold at the open?
An after-hours move that carries into the next session becomes an opening gap, and SIMO's gap history is the best guide to what happens next: 60% of SIMO gap-ups have fully filled, and 100% of gap-downs have filled over the past 5 years. Fill rates this high mean a large after-hours move is more often faded than extended.
When does SIMO report earnings?
SIMO is expected to report earnings around Oct 29, 2026 after the close (estimated), with an estimated EPS of $3.30. Earnings are the most common cause of a large after-hours move, since most companies report after the close.