ERIE· Erie Indemnity
Open interest · contracts by strike
Spot
239.8
Max Pain
220
Call OI
407
Put OI
8
P/C ratio
0.02
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 220
Spot 239.8
270
260
16
250
240
230
220
363
Call OI
210
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.