MPC· Marathon Petroleum
Open interest · contracts by strike
Spot
255.7
Max Pain
240
Call OI
7,576
Put OI
2,770
P/C ratio
0.37
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 240
Spot 255.7
290
465
280
236
1,915
270
149
2,279
Call OI
260
188
826
250
244
546
240
591
716
Max pain
230
580
233
220
777
596
Put OI
Open interest by strike with the max-pain level marked, per expiry — heuristics over CBOE delayed chains, same strike band as the GEX profile.