8. Trade

Current price: 167.26 2.07(1.25%) 

2x RT 20th July


Buying back 
167.00    SPY130720C00167000    1.36    0.85    1.38    1.39    63,213    110,840



Selling bought:
169.00    SPY130720C00169000    0.47    0.34    0.47    0.48    26,252    69,853 

-1.39 + 0.47 = 0.92

2x 92$ + 2x 2$ = 186


1x RT 26 July

Buying back 
167.00    SPY130726C00167000    1.79    0.90    1.78    1.80    13,818    6,263


Selling bought:
169.00    SPY130726C00169000    0.81    0.49    0.83    0.85    3,601    5,110

-1.80 + 0.83 = 0.97

97$ + 2$ = 99$

PnL 143$ - 186$ - 99$ =  -142$


 New contracts

3x
171.00    SPY130817C00171000    1.04    Up 0.50    1.06    1.07    10,278    24,980
173.00    SPY130817C00173000    0.55    Up 0.30    0.55    0.56    10,557    33,140

1.06 - 0.56 = 0.50$

3 x (50$ -2$ ) = 144$

173.00    SPY130817C00173000    0.55    Up 0.30    0.55    0.56    10,557    33,140
175.00    SPY130817C00175000    0.28    Up 0.17    0.27    0.28    17,519    43,765

0.55 - 0.28 = 0.27

27$ - 2$ = 25$

PnL -142 + 144 + 25 =  27$


Blocked margin:       1600$ (41%)
Margin available:      1127$
PnL:                           27$

Summary:
1.st account
4x Call Credit Spread 168/170 (Expiration 20th July)
3x Call Credit Spread 171/173 (Expiration 17th August)

2.nd account
1x Call Credit Spread 173/175 (Expiration 17th August)