
July 8 , opened a new position on BIIB.
Open Interest Chart

OTM puts : nothing important . Considerable OTM calls @235
Options Volume Charts

Good options volume @220 and it’s under 1 std.
Options Max Pain Chart

Max Pain @235
Conclusion : sold 1 CSP, strike [email protected],42. Expiry July 12 . 4 days return 0.19% , AROI 17,40%