GWW· W. W. Grainger
Open interest · contracts by strike
Spot
1,360.4
Max Pain
1,200
Call OI
1,813
Put OI
786
P/C ratio
0.43
Open interest by strike (contracts)
Call OIPut OISpot / max pain
Max pain 1,200
Spot 1,360.4
1,560
1,540
1,520
1,500
1,480
1,460
21
1,440
66
1,420
19
1,400
65
52
1,380
86
1,360
80
158
1,340
62
1,320
27
46
1,300
31
109
1,280
20
228
1,260
58
158
1,240
77
109
1,220
25
136
1,200
179
82
Put OI
1,180
165
127
1,160
53
327
Call 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.