buy +3 May 14, 2018 2745 calls at $0.13
sell -3 May 14, 2018 2740 calls at $0.48
- net credit (max profit): $0.35 x 300 = $105
- delta for short (2740) call: 13
- margin: $1500
- expiration: 1:00 pm, PT
Monday, 5/14/2018 (12:32:10 pm, PT)
buy back all short (2740) calls at $0.05 to remove the risk
let long (2745) calls expire worthless
PROFIT: $90.00
Return on capital: 6% (in almost 3 hours)
