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TTEK
Tetra Tech Inc
stock NASDAQ

At Close

Jul 21, 2026 3:59:57 PM EDT

30.50USD-2.446%(-0.77)2,072,764

0.00Bid 0.00Ask 0.00Spread

Pre-market

Jul 21, 2026 8:58:30 AM EDT

31.26USD-0.032%(-0.01)245

After-hours

Jul 21, 2026 4:09:30 PM EDT

30.94USD+1.414%(+0.43)484,372

OverviewOptionsHistoricalExchange VolumeShortsMore

TTEK Volume Jul 21, 2026

[NF]

Exchange	Day%	Volume	30D%
Nasdaq GSM	45.05	933,826	41.87
Off Exchange¹	36.60	758,535	39.92
IEX	5.65	117,087	5.45
NYSE Arca	4.46	92,429	4.56
Cboe BZX	2.61	54,128	2.72
Cboe EDGX	1.71	35,423	1.54
NYSE	1.31	27,114	1.54
Cboe BYX	0.69	14,200	0.42
MEMX	0.65	13,487	0.73
MIAX Pearl	0.32	6,596	0.20
NYSE American	0.28	5,809	0.12
Cboe EDGA	0.28	5,741	0.41
Nasdaq PHLX	0.23	4,767	0.12
CHX	0.07	1,436	0.14
NYSE National	0.06	1,284	0.10
Nasdaq BX	0.04	854	0.15
24X National	0.00	0	0.01
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.

TTEK Nutrition Facts

0.62 servings per container

Serving size

3.35M

Calories

2.07M

% Day

% Avg

Nasdaq GSM 934K

45.05%

41.87%

Off Exchange¹ 759K

36.60%

39.92%

IEX 117K

5.65%

5.45%

NYSE Arca 92K

4.46%

4.56%

Cboe BZX 54K

2.61%

2.72%

Cboe EDGX 35K

1.71%

1.54%

NYSE 27K

1.31%

1.54%

Cboe BYX 14K

0.69%

0.42%

MEMX 13K

0.65%

0.73%

MIAX Pearl 7K

0.32%

0.20%

NYSE American 6K

0.28%

0.12%

Cboe EDGA 6K

0.28%

0.41%

Nasdaq PHLX 5K

0.23%

0.12%

CHX 1K

0.07%

0.14%

NYSE National 1K

0.06%

0.10%

Nasdaq BX 854

0.04%

0.15%

24X National 0

0.00%

0.01%

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

TTEK Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 758,535, which is 36.60% of today's total volume.
Today's Lit volume is 1,314,181, which is 63.40%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 39.92%.
The average Lit volume has been 60.08%.

TTEK Volume by Exchange

Nasdaq GSM

Off Exchange

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

Cboe BYX

MEMX

MIAX Pearl

NYSE American