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ONTO
Onto Innovation Inc.
stock NYSE

At Close

Sep 30, 2026 3:59:53 PM EDT

307.73USD+0.996%(+3.04)750,905

289.47Bid 318.20Ask 28.73Spread

Pre-market

Sep 30, 2026 8:37:30 AM EDT

305.00USD+0.102%(+0.31)2,686

After-hours

Sep 30, 2026 4:16:30 PM EDT

308.00USD+0.089%(+0.27)992

OverviewOptionsHistoricalExchange VolumeShortsMore

ONTO Volume Sep 30, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	42.90	321,746	47.09
NYSE	29.65	222,369	26.28
IEX	6.83	51,209	6.10
Nasdaq GSM	6.75	50,627	7.35
NYSE Arca	3.66	27,415	4.18
Cboe EDGX	2.98	22,349	2.14
Cboe BZX	2.77	20,756	3.40
Cboe BYX	1.10	8,222	0.89
MEMX	0.99	7,418	0.81
Nasdaq BX	0.66	4,966	0.42
NYSE National	0.53	3,938	0.39
Cboe EDGA	0.31	2,321	0.33
MIAX Pearl	0.30	2,252	0.22
CHX	0.23	1,741	0.05
Nasdaq PHLX	0.14	1,078	0.13
NYSE American	0.10	771	0.15
24X National	0.07	544	0.04
Texas Stock Exchange LLC	0.02	186	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

0.88 servings per container

Serving size

856.36K

Calories

749.91K

% Day

% Avg

Off Exchange¹ 322K

42.90%

47.09%

NYSE 222K

29.65%

26.28%

IEX 51K

6.83%

6.10%

Nasdaq GSM 51K

6.75%

7.35%

NYSE Arca 27K

3.66%

4.18%

Cboe EDGX 22K

2.98%

2.14%

Cboe BZX 21K

2.77%

3.40%

Cboe BYX 8K

1.10%

0.89%

MEMX 7K

0.99%

0.81%

Nasdaq BX 5K

0.66%

0.42%

NYSE National 4K

0.53%

0.39%

Cboe EDGA 2K

0.31%

0.33%

MIAX Pearl 2K

0.30%

0.22%

CHX 2K

0.23%

0.05%

Nasdaq PHLX 1K

0.14%

0.13%

NYSE American 771

0.10%

0.15%

24X National 544

0.07%

0.04%

Texas Stock Exchange LLC 186

0.02%

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 321,746, which is 42.90% of today's total volume.
Today's Lit volume is 428,162, which is 57.10%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 47.09%.
The average Lit volume has been 52.91%.

ONTO Volume by Exchange

Off Exchange

NYSE

IEX

Nasdaq GSM

NYSE Arca

Cboe EDGX

Cboe BZX

Cboe BYX

MEMX

Nasdaq BX

NYSE National