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ONTO
Onto Innovation Inc.
stock NYSE

Market Open

Jul 30, 2026 11:46:16 AM EDT

248.55USD+13.763%(+30.07)659,552

246.77Bid 261.01Ask 14.24Spread

Pre-market

Jul 30, 2026 9:16:30 AM EDT

235.00USD+7.561%(+16.52)5,237

After-hours

Jul 29, 2026 4:30:30 PM EDT

215.01USD-1.588%(-3.47)0

OverviewOptionsHistoricalExchange VolumeShortsMore

ONTO Volume Jul 30, 2026 11:25:03 AM EDT

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Exchange	Day%	Volume	30D%
Off Exchange¹	35.38	215,874	45.84
NYSE	23.53	143,583	24.13
Nasdaq GSM	10.65	65,005	8.76
IEX	6.60	40,273	7.00
NYSE Arca	6.44	39,295	4.54
Cboe BZX	6.26	38,206	3.59
Cboe EDGX	2.82	17,206	2.29
Cboe BYX	2.49	15,199	0.84
Nasdaq BX	1.83	11,193	0.45
NYSE National	1.29	7,842	0.39
MEMX	1.25	7,633	1.09
Cboe EDGA	0.41	2,522	0.45
Nasdaq PHLX	0.37	2,242	0.12
MIAX Pearl	0.28	1,712	0.20
CHX	0.26	1,588	0.13
NYSE American	0.14	826	0.15
Texas Stock Exchange LLC	0.00	1	0.00
24X National	0.00	0	0.03
LTSE	0.00	0	0.00

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

ONTO Nutrition Facts

0.46 servings per container

Serving size

1.34M

Calories

610.20K

% Day

% Avg

Off Exchange¹ 216K

35.38%

45.84%

NYSE 144K

23.53%

24.13%

Nasdaq GSM 65K

10.65%

8.76%

IEX 40K

6.60%

7.00%

NYSE Arca 39K

6.44%

4.54%

Cboe BZX 38K

6.26%

3.59%

Cboe EDGX 17K

2.82%

2.29%

Cboe BYX 15K

2.49%

0.84%

Nasdaq BX 11K

1.83%

0.45%

NYSE National 8K

1.29%

0.39%

MEMX 8K

1.25%

1.09%

Cboe EDGA 3K

0.41%

0.45%

Nasdaq PHLX 2K

0.37%

0.12%

MIAX Pearl 2K

0.28%

0.20%

CHX 2K

0.26%

0.13%

NYSE American 826

0.14%

0.15%

Texas Stock Exchange LLC 1

0.00%

24X National 0

0.00%

0.03%

LTSE 0

0.00%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

ONTO Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 215,874, which is 35.38% of today's total volume.
Today's Lit volume is 394,326, which is 64.62%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 45.84%.
The average Lit volume has been 54.16%.

ONTO Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

Cboe BYX

Nasdaq BX

NYSE National

MEMX