11. Trade

Current price: 169.50 0.33(0.20%) => Call credit spread 174/176

174.00    SPY130817C00174000    0.32    Down 0.13    0.30    0.32    13,173    44,430
176.00    SPY130817C00176000    0.12    Down 0.09    0.11    0.12    54,104    67,720

 0.30 - 0.12 = 0.18$

18-2= 16$

-155$ + 16$ = -139$

Blocked margin:       2200$ (56%)
Margin available:      1700$
PnL:                      -139$  (- 3.56%) 

A account
4x Call Credit Spread 171/173 (Expiration 17th August)
1x Call Credit Spread 174/176 (Expiration 17th August) 
1x Call Credit Spread 175/177 (Expiration 17th August)
2x Put Credit Spread 160/158 (Expiration 17th August)


B account
5x Call Credit Spread 173/175 (Expiration 17th August)
1x Put Credit Spread 162/160 (Expiration 17th August)