ONTO Stock Premarket

Onto Innovation Inc.
ONTONYSEUSD
299.00 USD
30.30 (11.28%)PRE MARKET (AS OF 06:57 AM EDT)
🟢Market: OPEN

Premarket trading runs 4:00 AM – 9:30 AM ET.

ONTO is trading at $299.00 in premarket, up $30.30 (11.28%) from its previous close of $268.70. Historically, 4% of ONTO gap-ups of 5% or more have fully filled within one trading day.

📅 ONTO reported earnings on Aug 6, 2026 after the close, with an estimated EPS of $1.69. ONTO earnings details →

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

Over the past 5 years, ONTO has had 39 qualifying gap events (gaps of 5% or more at the open) — 25 gap-ups and 14 gap-downs. Gap-ups averaged +6.9%, 84% have fully filled, median time to fill 7 trading days. Gap-downs averaged -7.7%, 64% have fully filled, median time to fill 3 trading days. Most recent: a +5.4% gap up 3 days ago, which filled in 3 trading days. ONTO has 2 unfilled gaps from the past 60 days; the largest is a +9.2% gap up on Jul 30, 2026, currently 2% retraced. Average 20-trading-day return after a ONTO gap up: -1.49%. After a gap down: -5.72%.

Gap Ups25 events
Fill Rate
84.0%
Avg Gap
6.9%
Avg 50% Fill
2d
Avg Fill
7d
Avg 20d return after gap-up: -1.49%
Gap Downs14 events
Fill Rate
64.3%
Avg Gap
7.7%
Avg 50% Fill
2d
Avg Fill
3d
Avg 20d return after gap-down: -5.72%
Avg Gap Fill by Timeframes
Gap Ups
1 day1 week2 week4 week
fills 25%68%84%84%92%
fills 50%24%68%76%84%
fills 75%12%52%56%84%
fills 100%4%40%44%68%
Gap Downs
1 day1 week2 week4 week
fills 25%50%71%79%79%
fills 50%36%71%71%79%
fills 75%29%64%64%64%
fills 100%21%50%50%50%
Active Unfilled Gaps (past 60 days)
8 days ago
2026-07-30
Gap %
+9.24%
Gap From
$218.31
% vs Current
-18.75%
retraced 2% to $238.01
37 days ago
2026-07-01
Gap %
-5.44%
Gap From
$378.45
% vs Current
+40.84%
retraced 9% to $359.76
Complete Gap History 39 events
DateGap FromGap %StatusDays to 50%Days to Fill% of Gap Filled After
1 day1 week2 week4 week
3 days ago$268.49+5.40%Filled2d3d6%100%100%100%
8 days ago$218.31+9.24%Open2%2%2%2%
17 days ago$278.54+6.03%Filled4d4d45%100%100%100%
21 days ago$281.61-5.90%Filled1d1d100%100%100%100%
24 days ago$304.21+6.69%Filled1d2d51%100%100%100%
29 days ago$291.45+7.61%Filled3d6d0%100%100%100%
2026-07-07$303.86-6.03%Filled2d3d35%100%100%100%
2026-07-01$378.45-5.44%Open9%9%9%9%
2026-06-25$322.24+6.24%Filled1d2d78%100%100%100%
2026-06-23$347.87-7.84%Filled3d3d11%100%100%100%
2026-06-18$318.92+5.98%Filled3d3d31%100%100%100%
2026-06-09$268.99+7.81%Filled1d1d100%100%100%100%
2026-06-08$253.24+5.09%Filled2d34d32%78%78%78%
2026-05-06$305.00-5.74%Filled1d27d96%96%96%96%
2026-04-28$298.28-6.30%Filled3d4d47%100%100%100%
2026-04-17$267.15+6.06%Filled8d18d28%28%52%100%
2026-04-16$258.90+11.24%Filled1d23d78%78%78%78%
2026-04-08$219.11+8.23%Open40%40%40%40%
2026-01-15$202.21+8.45%Filled6d7d21%85%100%100%
2025-11-07$131.75-9.70%Filled1d1d100%100%100%100%
2025-10-13$121.34+5.91%Filled2d20d21%56%95%100%
2025-09-23$130.12+5.74%Filled2d3d31%100%100%100%
2025-09-18$116.00+5.93%Open37d33%33%33%33%
2025-05-12$88.50+6.16%Open1d51%51%55%78%
2025-05-09$126.81-21.22%Open1%16%16%16%
2025-04-23$114.21+7.16%Filled6d13d39%72%72%100%
2025-04-10$133.37-7.18%Open16d20%20%36%67%
2025-04-03$125.43-5.92%Filled5d5d21%100%100%100%
2025-02-07$210.59-6.10%Open9%9%9%9%
2025-01-27$213.59-7.77%Open4d4%92%94%94%
2024-11-01$198.33-5.45%Filled1d49d51%51%51%51%
2024-09-26$203.51+9.36%Filled2d4d46%100%100%100%
2024-09-19$187.77+5.06%Filled32d32d25%25%25%25%
2024-08-09$177.81+6.86%Filled18d20d0%19%19%100%
2024-08-05$158.45-7.86%Filled1d1d100%100%100%100%
2024-07-31$177.89+6.00%Filled2d2d48%100%100%100%
2024-05-10$208.42+8.99%Filled1d17d64%64%64%100%
2022-11-10$74.58+5.39%Filled12d25d21%21%21%96%
2022-08-10$74.81+5.25%Filled9d14d35%38%67%100%

Frequently Asked Questions

What is ONTO's premarket price?

Onto Innovation (ONTO) is trading at $299.00 in premarket, up $30.30 (11.28%) from the previous close of $268.70.

Why is ONTO moving in premarket?

Onto Innovation (ONTO) is up 11.28% 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 ONTO premarket headlines and gap history below for the likely catalyst.

When does ONTO premarket trading start?

Premarket trading for ONTO 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 ONTO fill its gaps?

Over the past 5 years, 84% of ONTO gap-ups have fully filled and 64% of gap-downs have filled. Median time to fill is 7 trading days for gap-ups and 3 trading days for gap-downs.

Does ONTO have any unfilled gaps?

Yes. ONTO has 2 unfilled gaps from the past 60 days. The largest is a +9.2% gap up from Jul 30, 2026 and is currently 2% retraced.

What's the average return after a ONTO gap?

Based on 39 qualifying gap events over the past 5 years, the average 20-trading-day return after a ONTO gap up is -1.49%, and after a gap down is -5.72%.

When does ONTO report earnings?

ONTO reported earnings on Aug 6, 2026 after the close, with an estimated EPS of $1.69. Onto Innovation Inc. has officially confirmed it will release its second quarter 2026 financial results on August 6, 2026, after the market closes, followed by a conference call at 4:30 PM ET.