NI· NiSource
Open interest · contracts by strike
Spot
47.6
Max Pain
45
Call OI
3,565
Put OI
2,535
P/C ratio
0.71
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 45
Spot 47.6
50
3,434
Call OI
45
2,527
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.