PTC· PTC Inc.
Open interest · contracts by strike
Spot
113.6
Max Pain
115
Call OI
843
Put OI
177
P/C ratio
0.21
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 115
Spot 113.6
130
125
205
120
557
Call OI
115
75
63
Put OI
110
105
23
100
25
Open interest by strike with the max-pain level marked, per expiry — heuristics over CBOE delayed chains, same strike band as the GEX profile.