FTNT· Fortinet
Open interest · contracts by strike
Spot
153.6
Max Pain
148
Call OI
10,430
Put OI
11,267
P/C ratio
1.08
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 148
Spot 153.6
175
170
167.5
165
2,421
162.5
160
1,495
157.5
3,770
Call OI
155
526
152.5
404
150
695
149
148
3,012
Max pain
147
610
146
145
483
144
143
142
141
140
6,012
Put OI
139
138
137
136
135
134
133
132
131
Open interest by strike with the max-pain level marked, per expiry — heuristics over CBOE delayed chains, same strike band as the GEX profile.