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TER
Teradyne, Inc. Common Stock
stock NASDAQ

Market Open

Sep 17, 2026 11:40:43 AM EDT

359.72USD+5.443%(+18.57)656,254

359.32Bid 359.85Ask 0.53Spread

Pre-market

Sep 17, 2026 9:29:59 AM EDT

351.23USD+2.955%(+10.08)9,663

After-hours

Sep 16, 2026 4:58:30 PM EDT

341.07USD-0.088%(-0.30)0

OverviewOptionsHistoricalExchange VolumeShortsMore

TER Volume Sep 17, 2026 11:15:03 AM EDT

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Exchange	Day%	Volume	30D%
Off Exchange¹	42.82	246,172	41.75
Nasdaq GSM	23.57	135,474	36.71
NYSE Arca	12.50	71,850	6.83
Cboe EDGX	5.62	32,308	2.02
Cboe BZX	5.62	32,288	3.44
IEX	5.52	31,720	4.29
NYSE	2.02	11,637	1.41
MEMX	1.22	7,023	0.83
MIAX Pearl	0.34	1,943	0.21
Cboe BYX	0.24	1,381	0.73
Nasdaq BX	0.19	1,097	0.45
Cboe EDGA	0.16	900	0.37
Nasdaq PHLX	0.07	387	0.11
NYSE American	0.05	293	0.10
NYSE National	0.03	193	0.38
24X National	0.02	141	0.03
Texas Stock Exchange LLC	0.01	42	0.01
CHX	0.00	21	0.34

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

TER Nutrition Facts

0.23 servings per container

Serving size

2.54M

Calories

574.87K

% Day

% Avg

Off Exchange¹ 246K

42.82%

41.75%

Nasdaq GSM 135K

23.57%

36.71%

NYSE Arca 72K

12.50%

6.83%

Cboe EDGX 32K

5.62%

2.02%

Cboe BZX 32K

5.62%

3.44%

IEX 32K

5.52%

4.29%

NYSE 12K

2.02%

1.41%

MEMX 7K

1.22%

0.83%

MIAX Pearl 2K

0.34%

0.21%

Cboe BYX 1K

0.24%

0.73%

Nasdaq BX 1K

0.19%

0.45%

Cboe EDGA 900

0.16%

0.37%

Nasdaq PHLX 387

0.07%

0.11%

NYSE American 293

0.05%

0.10%

NYSE National 193

0.03%

0.38%

24X National 141

0.02%

0.03%

Texas Stock Exchange LLC 42

0.01%

CHX 21

0.00%

0.34%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

TER Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 246,172, which is 42.82% of today's total volume.
Today's Lit volume is 328,698, which is 57.18%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 41.75%.
The average Lit volume has been 58.25%.

TER Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe EDGX

Cboe BZX

IEX

NYSE

MEMX

MIAX Pearl

Cboe BYX

Nasdaq BX