C· Citigroup
Open interest · contracts by strike
Spot
140
Max Pain
143
Call OI
17,382
Put OI
19,097
P/C ratio
1.10
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 143
Spot 140
160
157.5
178
155
1,392
152.5
365
150
569
149
1,491
148
296
147
1,028
146
440
1,391
145
2,139
3,222
Call OI
144
392
1,737
143
512
2,200
Max pain
142
2,040
1,079
141
1,828
144
140
1,040
583
139
823
138
845
137
1,578
136
1,779
135
451
170
134
1,678
133
983
132
1,339
704
131
130
463
129
128
127
126
125
124
123
122
121
120
153
119
Open interest by strike with the max-pain level marked, per expiry — heuristics over CBOE delayed chains, same strike band as the GEX profile.