FAST· Fastenal
Open interest · contracts by strike
Spot
48
Max Pain
45
Call OI
6,659
Put OI
1,038
P/C ratio
0.16
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 45
Spot 48
55
52.5
50
3,235
Call OI
47.5
229
958
45
396
2,188
Max pain
42.5
413
147
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.