ON Stock After Hours

ON Semiconductor Corp
ONNASDAQUSD
76.15 USD
0.01 (0.01%)AFTER HOURS (AS OF Fri 07:59 PM EDT)
🔴Market: CLOSED

After-hours trading runs 4:00 PM – 8:00 PM ET.

ON last traded at $76.15 after hours, up $0.01 (0.01%) from its regular-session close of $76.14.

📅 ON is expected to report earnings around Nov 2, 2026 after the close (estimated), with an estimated EPS of $0.90. ON earnings details →

Gap Analytics — 5-year history, 5% minimum gap

Over the past 5 years, ON has had 24 qualifying gap events (gaps of 5% or more at the open) — 17 gap-ups and 7 gap-downs. Gap-ups averaged +6.5%, 76% have fully filled, median time to fill 5 trading days. Gap-downs averaged -8.6%, 71% have fully filled, median time to fill 4 trading days. Most recent: a +5.2% gap up on Jul 30, 2026, which filled in 5 trading days. Average 20-trading-day return after a ON gap up: +2.6%. After a gap down: -3.19%.

Gap Ups17 events
Fill Rate
76.5%
Avg Gap
6.5%
Avg 50% Fill
3d
Avg Fill
5d
Avg 20d return after gap-up: +2.60%
Gap Downs7 events
Fill Rate
71.4%
Avg Gap
8.6%
Avg 50% Fill
3d
Avg Fill
4d
Avg 20d return after gap-down: -3.19%
Avg Gap Fill by Timeframes
Gap Ups
1 day1 week2 week4 week
fills 25%71%82%88%88%
fills 50%29%71%76%76%
fills 75%6%53%59%59%
fills 100%6%53%59%59%
Gap Downs
1 day1 week2 week4 week
fills 25%29%43%57%57%
fills 50%29%43%57%57%
fills 75%29%43%57%57%
fills 100%14%43%57%57%
Complete Gap History 24 events
DateGap FromGap %StatusDays to 50%Days to Fill% of Gap Filled After
1 day1 week2 week4 week
2026-07-30$78.86+5.15%Filled3d5d31%100%100%100%
2026-07-21$86.70+5.02%Filled1d4d60%100%100%100%
2026-07-14$90.37+5.61%Filled1d3d71%100%100%100%
2026-06-26$118.74-17.22%Open1%2%21%21%
2026-06-23$131.55-6.32%Open10%10%10%10%
2026-06-15$116.79+5.74%Filled2d3d33%100%100%100%
2026-05-26$116.20+5.68%Filled3d5d26%100%100%100%
2026-04-29$93.30+6.71%Filled5d41d35%56%56%56%
2026-04-08$63.79+5.82%Open30%30%30%30%
2025-07-24$59.61-5.96%Filled3d4d6%100%100%100%
2025-05-12$40.98+6.03%Filled9d10d4%4%100%100%
2025-04-24$36.62+5.28%Open5d21%56%71%71%
2025-04-10$39.20-6.68%Filled10d10d20%20%100%100%
2024-10-28$71.25-5.55%Filled1d1d100%100%100%100%
2024-07-29$70.17+8.17%Filled4d5d7%100%100%100%
2024-04-24$61.68+8.90%Open1d52%52%52%52%
2024-02-05$70.83+6.73%Filled31d40d3%15%15%15%
2023-10-30$83.52-12.25%Filled30d33d3%3%3%3%
2023-03-02$78.23-5.97%Filled1d2d80%100%100%100%
2022-12-13$70.99+5.48%Filled1d1d100%100%100%100%
2022-11-10$63.83+7.11%Filled25d25d11%16%16%16%
2022-06-06$62.94+6.70%Filled1d4d73%100%100%100%
2022-01-26$53.32+5.13%Filled2d2d48%100%100%100%
2021-11-01$48.07+11.82%Open43%43%43%43%

Frequently Asked Questions

What is ON's after-hours price?

ON Semiconductor (ON) is trading at $76.15 after hours, up $0.01 (0.01%) from its regular-session close of $76.14.

Why is ON moving after hours?

ON is up 0.01% 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 ON after-hours trading start and end?

After-hours trading in ON 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 ON's after-hours move hold at the open?

An after-hours move that carries into the next session becomes an opening gap, and ON's gap history is the best guide to what happens next: 76% of ON gap-ups have fully filled, and 71% 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 ON report earnings?

ON is expected to report earnings around Nov 2, 2026 after the close (estimated), with an estimated EPS of $0.90. Earnings are the most common cause of a large after-hours move, since most companies report after the close.