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TER
Teradyne, Inc. Common Stock
stock NASDAQ

Market Open

Oct 31, 2025 2:22:12 PM EDT

183.25USD+3.648%(+6.45)2,835,564

183.04Bid 183.38Ask 0.34Spread

Pre-market

Oct 31, 2025 9:28:30 AM EDT

179.86USD+1.731%(+3.06)9,191

After-hours

Oct 30, 2025 4:53:30 PM EDT

176.88USD+0.045%(+0.08)0

OverviewOptionsHistoricalExchange VolumeShortsMore

TER Volume Oct 31, 2025 2:05:00 PM EDT

[ < ]

Exchange	Day%	Volume	30D%
Off Exchange¹	49.90	1,384,204	42.44
Nasdaq GSM	21.59	598,904	35.93
NYSE Arca	6.16	170,966	5.79
IEX	5.94	164,815	3.91
NYSE	4.40	122,154	1.82
Cboe BZX	4.38	121,516	4.21
Cboe EDGX	3.12	86,457	2.13
MEMX	1.31	36,453	1.03
Nasdaq BX	0.63	17,497	0.61
CHX	0.59	16,231	0.25
Cboe EDGA	0.47	13,059	0.38
Cboe BYX	0.45	12,590	0.59
MIAX Pearl	0.36	9,941	0.31
NYSE National	0.34	9,540	0.33
Nasdaq PHLX	0.30	8,239	0.19
NYSE American	0.04	1,244	0.09
LTSE	0.00	20	0.00

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

TER Nutrition Facts

0.77 servings per container

Serving size

3.58M

Calories

2.77M

% Day

% Avg

Off Exchange¹ 1M

49.90%

42.44%

Nasdaq GSM 599K

21.59%

35.93%

NYSE Arca 171K

6.16%

5.79%

IEX 165K

5.94%

3.91%

NYSE 122K

4.40%

1.82%

Cboe BZX 122K

4.38%

4.21%

Cboe EDGX 86K

3.12%

2.13%

MEMX 36K

1.31%

1.03%

Nasdaq BX 17K

0.63%

0.61%

CHX 16K

0.59%

0.25%

Cboe EDGA 13K

0.47%

0.38%

Cboe BYX 13K

0.45%

0.59%

MIAX Pearl 10K

0.36%

0.31%

NYSE National 10K

0.34%

0.33%

Nasdaq PHLX 8K

0.30%

0.19%

NYSE American 1K

0.04%

0.09%

LTSE 20

0.00%

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 1,384,204, which is 49.90% of today's total volume.
Today's Lit volume is 1,389,626, which is 50.10%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 42.44%.
The average Lit volume has been 57.56%.

TER Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

NYSE

Cboe BZX

Cboe EDGX

MEMX

Nasdaq BX

CHX

Cboe EDGA