Wednesday, 8/15/2018 (Expiration Wednesday)
Trade 1 (10:46:21 am, PT) ← SPX trading around 2814
buy +4 August 15, 2018 2840 calls at $0.05 (cheap wings)
sell -4 August 15, 2018 2820 calls at $1.70 (delta 28)
Trade 2 (11:45:59 am, PT)
buy back short calls (2820) at $0.30 (to take profits)
Trade 3 (11:57:24 am, PT) ← SPX trading around 2810
sell again -4 August 15, 2018 2820 calls at $0.45 (delta 12)
Trade 4 (12:58:01 pm, PT)
buy back short calls (2820) at $0.40 (to remove the risk .... things got too crazy 😖😖)
let long calls (2840) expire worthless
PROFIT: $560 (in 2 hours)
Note: SPX closed at 2818.37 at 1:00 pm, PT