thetaOwl

TAC

TransAlta CorporationClose $12.38EOD only
Max Pain
$13.00
Next expiry Aug 21, 2026
Expected Move
±$0.73
5.9% from close
Price Gap
+0.62
Distance to max pain
IV Rank
100
High premium
P/C OI
0.17
Slightly call-heavy
Consensus
No reports available
Published snapshot: Aug 19, 2026 close
End-of-day snapshot

This page reflects TAC options positioning from the latest published market-close snapshot. Intraday price and contract changes are not displayed.

Published Snapshot
Aug 19, 2026 close
Max Pain — TAC
Data as of market close Aug 19, 2026

Nearest listed expiration 2026-08-21 shows max pain at $13.00 (0.62 above spot). Use this page to evaluate pin-risk zones, strike pressure, and open-interest concentration before selecting trade structure.

Max Pain Strike
$13.00
Nearest expiry
Expected Move
±$0.73
±5.9%
Days to Expiry
2
Calendar days
Total Call OI
11,220
Nearest expiry
Total Put OI
2,192
Nearest expiry
P/C OI Ratio
0.20
Put-heavy
Spot Price
$12.38
Published close
Consensus
-
Open report for full read

Max Pain by Expiration

Pain by Strike

Drill into expiration
Selected: 2026-08-21
ExpirationMax Pain StrikeLast Updated
2026-06-18$12.006/18/2026, 11:31:33 PM
2026-07-17$13.007/17/2026, 11:35:50 PM
2026-08-21NextUpdated$13.008/19/2026, 11:36:45 PM
2026-09-18$11.008/19/2026, 11:36:45 PM
2026-11-20$11.008/19/2026, 11:36:45 PM
2026-12-18$12.008/19/2026, 11:36:45 PM
2027-03-19$11.008/19/2026, 11:36:45 PM
Selected expiration: 2026-08-21 at max pain $13.00.
TAC pain by strike for 2026-08-21 expiration
StrikeCall PainPut PainTotal Pain
3018639001863900
520014257001425900
72400987500989900
83600768500772100
94900549600554500
106200330700336900
118700221500230200
1211400112300123700
1316800840025200
1492900480097700
152462001900248100
168607001600862300
17149880013001500100
18223350011002234600
2037609007003761600
2146978005004698300
2256397003005640000
25849390008493900
3013408900013408900
3518325400018325400
How to Read Max Pain
Compare pin-risk and strike-pressure across expirations from the latest published close.
What max pain measures

Max pain is the strike where option holders would collectively lose the most at expiration, based on open interest across the listed chain.

How traders use it

It is most useful as a possible pinning zone, especially when spot is already trading near a crowded strike into expiration.

What can break it

Strong directional flows, news, or fast spot moves can overwhelm any pinning tendency, so max pain should support a thesis rather than drive it alone.

The closer you are to expiration, the more useful this becomes as context and the less useful it is as a standalone prediction.