Dark

ONTO
Onto Innovation Inc.
stock NYSE

At Close

May 30, 2025 3:59:55 PM EDT

91.90USD-3.304%(-3.14)1,558,471

0.00Bid 0.00Ask 0.00Spread

Pre-market

May 29, 2025 9:11:30 AM EDT

96.00USD+1.010%(+0.96)0

After-hours

May 30, 2025 4:48:30 PM EDT

91.17USD-0.794%(-0.73)12,305

OverviewOptionsHistoricalExchange VolumeShortsMore

ONTO Volume May 30, 2025

[NF]

Exchange	Day%	Volume	30D%
NYSE	44.41	703,895	28.37
Off Exchange¹	33.81	535,854	40.31
Nasdaq GSM	9.31	147,593	12.76
IEX	3.32	52,556	3.91
NYSE Arca	2.73	43,231	3.37
Cboe BZX	2.54	40,288	3.77
Cboe EDGX	2.21	34,997	2.98
MEMX	0.76	11,977	1.10
Cboe BYX	0.22	3,471	1.09
Nasdaq BX	0.18	2,911	0.90
MIAX Pearl	0.15	2,344	0.28
Nasdaq PHLX	0.13	2,082	0.16
NYSE National	0.11	1,720	0.48
Cboe EDGA	0.09	1,499	0.39
NYSE American	0.04	568	0.10
CHX	0.01	100	0.04
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

0.93 servings per container

Serving size

1.70M

Calories

1.59M

% Day

% Avg

NYSE 704K

44.41%

28.37%

Off Exchange¹ 536K

33.81%

40.31%

Nasdaq GSM 148K

9.31%

12.76%

IEX 53K

3.32%

3.91%

NYSE Arca 43K

2.73%

3.37%

Cboe BZX 40K

2.54%

3.77%

Cboe EDGX 35K

2.21%

2.98%

MEMX 12K

0.76%

1.10%

Cboe BYX 3K

0.22%

1.09%

Nasdaq BX 3K

0.18%

0.90%

MIAX Pearl 2K

0.15%

0.28%

Nasdaq PHLX 2K

0.13%

0.16%

NYSE National 2K

0.11%

0.48%

Cboe EDGA 1K

0.09%

0.39%

NYSE American 568

0.04%

0.10%

CHX 100

0.01%

0.04%

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 535,854, which is 33.81% of today's total volume.
Today's Lit volume is 1,049,232, which is 66.19%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.31%.
The average Lit volume has been 59.69%.

ONTO Volume by Exchange

NYSE

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

MEMX

Cboe BYX

Nasdaq BX

MIAX Pearl