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TAC
TransAlta Corporation
stock NYSE

At Close

May 13, 2026 3:59:59 PM EDT

12.73USD+1.192%(+0.15)579,712

12.72Bid 12.73Ask 0.01Spread

Pre-market

May 13, 2026 8:30:30 AM EDT

12.90USD+2.544%(+0.32)210

After-hours

May 13, 2026 4:10:30 PM EDT

12.73USD0.000%(0.00)48,308

OverviewOptionsHistoricalExchange VolumeShortsMore

TAC Volume May 13, 2026

[NF]

Exchange	Day%	Volume	30D%
NYSE	25.35	146,455	18.60
Off Exchange¹	23.66	136,683	44.98
IEX	14.43	83,369	7.16
Nasdaq GSM	13.25	76,549	10.16
NYSE Arca	10.90	62,986	7.79
Cboe BZX	5.32	30,720	3.52
Cboe EDGX	3.15	18,179	3.28
Cboe BYX	1.16	6,715	1.07
MEMX	1.00	5,760	1.06
NYSE National	0.61	3,523	0.62
MIAX Pearl	0.34	1,987	0.58
Nasdaq BX	0.30	1,728	0.30
Cboe EDGA	0.28	1,631	0.60
NYSE American	0.17	966	0.11
Nasdaq PHLX	0.08	440	0.06
CHX	0.02	100	0.05
24X National	0.00	0	0.06
LTSE	0.00	0	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.

TAC Nutrition Facts

0.47 servings per container

Serving size

1.23M

Calories

577.79K

% Day

% Avg

NYSE 146K

25.35%

18.60%

Off Exchange¹ 137K

23.66%

44.98%

IEX 83K

14.43%

7.16%

Nasdaq GSM 77K

13.25%

10.16%

NYSE Arca 63K

10.90%

7.79%

Cboe BZX 31K

5.32%

3.52%

Cboe EDGX 18K

3.15%

3.28%

Cboe BYX 7K

1.16%

1.07%

MEMX 6K

1.00%

1.06%

NYSE National 4K

0.61%

0.62%

MIAX Pearl 2K

0.34%

0.58%

Nasdaq BX 2K

0.30%

Cboe EDGA 2K

0.28%

0.60%

NYSE American 966

0.17%

0.11%

Nasdaq PHLX 440

0.08%

0.06%

CHX 100

0.02%

0.05%

24X National 0

0.00%

0.06%

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 136,683, which is 23.66% of today's total volume.
Today's Lit volume is 441,108, which is 76.34%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.98%.
The average Lit volume has been 55.02%.

TAC Volume by Exchange

NYSE

Off Exchange

IEX

Nasdaq GSM

NYSE Arca

Cboe BZX

Cboe EDGX

Cboe BYX

MEMX

NYSE National

MIAX Pearl