Price Alert

TransAlta Corporation (TAC)

NYSE: TAC · Real-Time Price · USD

14.48

0.78 (5.69%)

At close: Oct 03, 2025, 3:59 PM

14.40

-0.55%

After-hours: Oct 03, 2025, 07:23 PM EDT

TAC Option Overview

Overview for all option chains of TAC. As of October 05, 2025, TAC options have an IV of 163.17% and an IV rank of 91.52%. The volume is 11,598 contracts, which is 949.88% of average daily volume of 1,221 contracts. The volume put-call ratio is 1.25, indicating a neutral sentiment in the market.

Implied Volatility

Implied Volatility (30d)

163.17%

IV Rank

91.52%

Historical Volatility

28.27%

IV Low

30.93% on Nov 15, 2024

IV High

175.42% on Oct 03, 2025

Open Interest (OI)

Today's Open Interest

26,211

Put-Call Ratio

0.14

Put Open Interest

3,207

Call Open Interest

23,004

Open Interest Avg (30-day)

20,035

Today vs Open Interest Avg (30-day)

130.83%

Option Volume

Today's Volume

11,598

Put-Call Ratio

1.25

Put Volume

6,434

Call Volume

5,164

Volume Avg (30-day)

1,221

Today vs Volume Avg (30-day)

949.88%

Option Chain Statistics

This table provides a comprehensive overview of all TAC options grouped by their expiration dates.

Expiration	Call Vol	Put Vol	P/C Vol	Call OI	Put OI	P/C OI	Implied Volatility	Max Pain
Oct 17, 2025	2,516	5	0	343	753	2.2	163.17%	13
Nov 21, 2025	2,543	6,421	2.52	18,181	2,253	0.12	93.38%	12
Dec 19, 2025	68	2	0.03	4,101	24	0.01	93.12%	8
Jan 16, 2026	0	0	0	3	0	0	27.35%	97.5
Mar 20, 2026	37	6	0.16	376	177	0.47	65.97%	12