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ONTO
Onto Innovation Inc.
stock NYSE

Market Open

Jul 30, 2026 9:47:20 AM EDT

245.39USD+12.317%(+26.91)128,690

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

OverviewOptionsHistoricalExchange VolumeShortsMore

ONTO Volume Jul 30, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	41.48	859,381	45.98
NYSE	21.95	454,853	24.12
Nasdaq GSM	12.35	255,902	8.73
IEX	6.65	137,809	7.00
Cboe BZX	6.36	131,690	3.55
NYSE Arca	4.66	96,469	4.54
Cboe EDGX	2.85	59,097	2.28
MEMX	0.98	20,223	1.09
Cboe BYX	0.82	16,897	0.82
Cboe EDGA	0.75	15,449	0.45
MIAX Pearl	0.27	5,646	0.20
NYSE National	0.23	4,795	0.38
Nasdaq BX	0.18	3,709	0.43
CHX	0.18	3,698	0.13
NYSE American	0.10	2,126	0.15
Nasdaq PHLX	0.10	1,994	0.12
24X National	0.09	1,907	0.03
Texas Stock Exchange LLC	0.01	200	0.00
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

1.55 servings per container

Serving size

1.34M

Calories

2.07M

% Day

% Avg

Off Exchange¹ 859K

41.48%

45.98%

NYSE 455K

21.95%

24.12%

Nasdaq GSM 256K

12.35%

8.73%

IEX 138K

6.65%

7.00%

Cboe BZX 132K

6.36%

3.55%

NYSE Arca 96K

4.66%

4.54%

Cboe EDGX 59K

2.85%

2.28%

MEMX 20K

0.98%

1.09%

Cboe BYX 17K

0.82%

Cboe EDGA 15K

0.75%

0.45%

MIAX Pearl 6K

0.27%

0.20%

NYSE National 5K

0.23%

0.38%

Nasdaq BX 4K

0.18%

0.43%

CHX 4K

0.18%

0.13%

NYSE American 2K

0.10%

0.15%

Nasdaq PHLX 2K

0.10%

0.12%

24X National 2K

0.09%

0.03%

Texas Stock Exchange LLC 200

0.01%

0.00%

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 859,381, which is 41.48% of today's total volume.
Today's Lit volume is 1,212,464, which is 58.52%.
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

Off Exchange

NYSE

Nasdaq GSM

IEX

Cboe BZX

NYSE Arca

Cboe EDGX

MEMX

Cboe BYX

Cboe EDGA

MIAX Pearl