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TAC
TransAlta Corporation
stock NYSE

At Close
Jun 30, 2025 3:59:56 PM EDT
10.79USD+0.935%(+0.10)778,957
0.00Bid   0.00Ask   0.00Spread
Pre-market
Jun 27, 2025 8:00:30 AM EDT
10.50USD-1.776%(-0.19)0
After-hours
Jun 30, 2025 4:00:30 PM EDT
10.79USD0.000%(0.00)2,413
OverviewOption ChainMax PainOption ChainPrice & VolumeDividendsHistoricalExchange VolumeDark Pool LevelsDark Pool PrintsExchangesShort VolumeShort Interest - DailyShort InterestBorrow Fee (CTB)Failure to Deliver (FTD)ShortsTrendsNewsMore
Jul 18, 2025Aug 15, 2025Sep 19, 2025Nov 21, 2025Dec 19, 2025

ITM/OTM for Dec 19, 2025View All Dates
Calls ITMCalls OTMPuts ITMPuts OTM
147495015


TAC Dec 19, 2025 Exp. - Volume by Strike
Puts
Calls

TAC Dec 19, 2025 Exp. - Open Interest by Strike

Puts
Calls

TAC Dec 19, 2025 Exp. - Max Pain @ $7.00

Puts
Calls


TAC Dec 19, 2025 Exp. - Option Chain
In the Money (ITM)
Calls
StrikePriceChangeVolOILastContract Name
20 C00%0TAC251219C00020000
17 C00%0TAC251219C00017000
16 C0.100%3305-28TAC251219C00016000
15 C00%0TAC251219C00015000
14 C00%0TAC251219C00014000
13 C0.800%12512506-12TAC251219C00013000
12 C0.950.00%404106-26TAC251219C00012000
11 C1.21+0.83%132606-26TAC251219C00011000
10 C1.070%101005-29TAC251219C00010000
9 C2.83+40.80%41906-20TAC251219C00009000
8 C2.25+31.58%3011606-02TAC251219C00008000
7 C2.050%2205-07TAC251219C00007000
6 C00%0TAC251219C00006000
5 C00%0TAC251219C00005000
4 C5.180%2005-21TAC251219C00004000
3 C00%0TAC251219C00003000
2 C00%0TAC251219C00002000
1 C00%0TAC251219C00001000
Puts
StrikePriceChangeVolOILastContract Name
20 P00%0TAC251219P00020000
17 P00%0TAC251219P00017000
16 P00%0TAC251219P00016000
15 P00%0TAC251219P00015000
14 P00%0TAC251219P00014000
13 P3.47-10.10%4005-30TAC251219P00013000
12 P00%0TAC251219P00012000
11 P00%0TAC251219P00011000
10 P00%0TAC251219P00010000
9 P00%0TAC251219P00009000
8 P00%0TAC251219P00008000
7 P0.120%10506-12TAC251219P00007000
6 P0.120%101006-12TAC251219P00006000
5 P00%0TAC251219P00005000
4 P00%0TAC251219P00004000
3 P00%0TAC251219P00003000
2 P00%0TAC251219P00002000
1 P00%0TAC251219P00001000


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