TransAlta Corporation TAC options

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12.98 USD
-0.23 -1.74%
Bid
12.98 × 1,400
Ask
13.01 × 1,300

Extended hours 12.98 0.00%

As of Oct 30, 2026

TAC option chain
CallsStrikePuts
BidAskLast% ChgVolumeOpen intImpl volBidAskLast% ChgVolumeOpen intImpl vol
4.40 6.30 5.00 0.00% 1 154 200.8%8.00 0.00 0.00 0.05 0.00% 20 0 50.0%
3.40 4.60 4.50 0.00% 2 2 80.5%9.00 0.00 0.00 0.60 0.00% — 0 50.0%
2.95 3.10 3.20 0.00% 20 640 70.3%10.00 0.00 0.25 0.05 0.00% 3 20 90.2%
1.70 2.45 1.67 0.00% 2 74 59.4%11.00 0.05 0.15 0.15 0.00% 1 248 60.2%
0.85 1.60 0.92 0.00% 2 59 52.7%12.00 0.15 0.70 0.21 0.00% 2 59 70.7%
0.50 0.80 0.55 -23.61% 5 793 54.5%13.00 0.50 0.80 0.59 0.00% 2 112 52.7%
0.15 0.35 0.31 0.00% 3 341 50.4%14.00 1.15 1.55 1.54 -39.13% 1 0 58.0%
0.05 0.15 0.10 -9.09% 1 3,730 52.3%15.00 1.75 2.50 2.32 0.00% 3 607 53.1%
0.00 0.10 0.05 0.00% 1 60 57.4%16.00 — — — — — — —
0.00 0.05 0.05 0.00% 16 1,940 61.7%17.00 4.70 5.90 4.96 0.00% 40 75 206.8%

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