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ONTO
Onto Innovation Inc.
stock NYSE

Market Open

Jul 30, 2026 9:51:02 AM EDT

247.87USD+13.452%(+29.39)146,248

231.02Bid 259.14Ask 28.12Spread

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

OverviewOptionsHistoricalDark Pool LevelsShortsMore

ONTO Volume Jul 30, 2026 9:35:00 AM EDT

[NF]

Exchange	Day%	Volume	30D%
NYSE Arca	53.24	12,468	4.54
Cboe BYX	15.60	3,654	0.82
Nasdaq GSM	9.71	2,275	8.73
Cboe EDGX	9.50	2,226	2.28
Off Exchange¹	8.53	1,998	45.98
Cboe BZX	1.48	347	3.55
CHX	0.85	200	0.13
MEMX	0.43	101	1.09
Nasdaq BX	0.32	75	0.43
Cboe EDGA	0.28	66	0.45
MIAX Pearl	0.04	10	0.20
NYSE	0.00	0	24.12
IEX	0.00	0	7.00
NYSE National	0.00	0	0.38
NYSE American	0.00	0	0.15
Nasdaq PHLX	0.00	0	0.12
24X National	0.00	0	0.03
LTSE	0.00	0	0.00
Texas Stock Exchange LLC	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

0.02 servings per container

Serving size

1.34M

Calories

23.42K

% Day

% Avg

NYSE Arca 12K

53.24%

4.54%

Cboe BYX 4K

15.60%

0.82%

Nasdaq GSM 2K

9.71%

8.73%

Cboe EDGX 2K

9.50%

2.28%

Off Exchange¹ 2K

8.53%

45.98%

Cboe BZX 347

1.48%

3.55%

CHX 200

0.85%

0.13%

MEMX 101

0.43%

1.09%

Nasdaq BX 75

0.32%

0.43%

Cboe EDGA 66

0.28%

0.45%

MIAX Pearl 10

0.04%

0.20%

NYSE 0

0.00%

24.12%

IEX 0

0.00%

7.00%

NYSE National 0

0.00%

0.38%

NYSE American 0

0.00%

0.15%

Nasdaq PHLX 0

0.00%

0.12%

24X National 0

0.00%

0.03%

LTSE 0

0.00%

Texas Stock Exchange LLC 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 1,998, which is 8.53% of today's total volume.
Today's Lit volume is 21,422, which is 91.47%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 45.98%.
The average Lit volume has been 54.02%.

ONTO Volume by Exchange

NYSE Arca

Cboe BYX

Nasdaq GSM

Cboe EDGX

Off Exchange

Cboe BZX

CHX

MEMX

Nasdaq BX

Cboe EDGA

MIAX Pearl