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TAC
TransAlta Corporation
stock NYSE

At Close

Sep 25, 2026 3:59:55 PM EDT

11.53USD-2.039%(-0.24)789,353

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-11.77)0

After-hours

Sep 25, 2026 4:10:30 PM EDT

11.53USD0.000%(0.00)1

OverviewOptionsHistoricalExchange VolumeShortsMore

TAC Volume Sep 25, 2026

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Exchange	Day%	Volume	30D%
NYSE	29.67	234,093	12.77
Off Exchange¹	27.25	214,988	64.13
Nasdaq GSM	11.77	92,833	6.36
IEX	9.89	78,037	5.04
NYSE Arca	8.10	63,950	4.98
Cboe BZX	4.97	39,245	2.37
Cboe EDGX	3.42	27,018	1.64
Cboe BYX	1.39	10,938	0.73
MEMX	1.22	9,638	0.46
Cboe EDGA	0.79	6,243	0.23
NYSE National	0.75	5,879	0.53
Nasdaq PHLX	0.21	1,658	0.04
MIAX Pearl	0.20	1,548	0.20
NYSE American	0.12	940	0.22
CHX	0.12	921	0.03
24X National	0.06	496	0.01
Texas Stock Exchange LLC	0.04	300	0.06
Nasdaq BX	0.04	300	0.20
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.

TAC Nutrition Facts

0.41 servings per container

Serving size

1.95M

Calories

789.03K

% Day

% Avg

NYSE 234K

29.67%

12.77%

Off Exchange¹ 215K

27.25%

64.13%

Nasdaq GSM 93K

11.77%

6.36%

IEX 78K

9.89%

5.04%

NYSE Arca 64K

8.10%

4.98%

Cboe BZX 39K

4.97%

2.37%

Cboe EDGX 27K

3.42%

1.64%

Cboe BYX 11K

1.39%

0.73%

MEMX 10K

1.22%

0.46%

Cboe EDGA 6K

0.79%

0.23%

NYSE National 6K

0.75%

0.53%

Nasdaq PHLX 2K

0.21%

0.04%

MIAX Pearl 2K

0.20%

NYSE American 940

0.12%

0.22%

CHX 921

0.12%

0.03%

24X National 496

0.06%

0.01%

Texas Stock Exchange LLC 300

0.04%

0.06%

Nasdaq BX 300

0.04%

0.20%

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

TAC Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 214,988, which is 27.25% of today's total volume.
Today's Lit volume is 574,037, which is 72.75%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 64.13%.
The average Lit volume has been 35.87%.

TAC Volume by Exchange

NYSE

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

Cboe BYX

MEMX

Cboe EDGA

NYSE National