Dark

ONTO
Onto Innovation Inc.
stock NYSE

Market Open

Sep 29, 2026 2:44:05 PM EDT

300.59USD+4.104%(+11.85)335,592

300.62Bid 301.68Ask 1.06Spread

Pre-market

Sep 29, 2026 9:27:30 AM EDT

295.00USD+2.168%(+6.26)2,430

After-hours

Sep 25, 2026 4:35:30 PM EDT

287.82USD-0.026%(-0.07)0

OverviewOptionsHistoricalDark Pool PrintsShortsMore

ONTO Volume Sep 29, 2026 2:25:01 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	56.05	175,598	47.28
NYSE	11.80	36,961	25.84
IEX	9.20	28,825	6.12
Nasdaq GSM	8.91	27,919	7.60
NYSE Arca	3.99	12,485	4.21
Cboe BZX	3.37	10,565	3.45
Cboe EDGX	3.14	9,845	2.14
Cboe EDGA	0.92	2,888	0.32
Cboe BYX	0.71	2,224	0.86
MEMX	0.58	1,807	0.81
MIAX Pearl	0.32	1,009	0.23
Nasdaq PHLX	0.27	843	0.13
NYSE American	0.21	652	0.14
Nasdaq BX	0.16	490	0.40
NYSE National	0.14	423	0.38
CHX	0.11	340	0.04
Texas Stock Exchange LLC	0.10	301	0.03
24X National	0.03	109	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

0.36 servings per container

Serving size

875.94K

Calories

313.28K

% Day

% Avg

Off Exchange¹ 176K

56.05%

47.28%

NYSE 37K

11.80%

25.84%

IEX 29K

9.20%

6.12%

Nasdaq GSM 28K

8.91%

7.60%

NYSE Arca 12K

3.99%

4.21%

Cboe BZX 11K

3.37%

3.45%

Cboe EDGX 10K

3.14%

2.14%

Cboe EDGA 3K

0.92%

0.32%

Cboe BYX 2K

0.71%

0.86%

MEMX 2K

0.58%

0.81%

MIAX Pearl 1K

0.32%

0.23%

Nasdaq PHLX 843

0.27%

0.13%

NYSE American 652

0.21%

0.14%

Nasdaq BX 490

0.16%

0.40%

NYSE National 423

0.14%

0.38%

CHX 340

0.11%

0.04%

Texas Stock Exchange LLC 301

0.10%

0.03%

24X National 109

0.03%

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 175,598, which is 56.05% of today's total volume.
Today's Lit volume is 137,686, which is 43.95%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 47.28%.
The average Lit volume has been 52.72%.

ONTO Volume by Exchange

Off Exchange

NYSE

IEX

Nasdaq GSM

NYSE Arca

Cboe BZX

Cboe EDGX

Cboe EDGA

Cboe BYX

MEMX

MIAX Pearl