TransAlta Corporation (TAC)
NYSE: TAC
· Real-Time Price · USD
12.34
-0.16 (-1.28%)
At close: Aug 15, 2025, 3:59 PM
12.33
-0.05%
After-hours: Aug 15, 2025, 05:29 PM EDT
TAC Open Interest Chart
Open interest breakdown by expiration date for TAC
options contracts. Displaying data for 5
active expiration dates with future expiry.
Total open interest across all expiries is
30,832
contracts, with 23,774
call contracts and
7,058 put contracts. The
overall put-call open interest ratio is
0.30, indicating a
bullish
bias in positioning. Options expire from
Sep 19, 2025
to
Mar 20, 2026.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Sep 19, 2025 | 10,928 | 6,646 | 0.61 |
| Nov 21, 2025 | 10,947 | 223 | 0.02 |
| Dec 19, 2025 | 1,811 | 15 | 0.01 |
| Jan 16, 2026 | 3 | 0 | 0.00 |
| Mar 20, 2026 | 85 | 174 | 2.05 |