Another one added to the bottom of the list, changing the totals:
September 8, selling the Sept11th expiration:
Short 25.50 calls at 1.71, long 27 calls at 1.26, credit of 0.45
Max profit is 0.45 or $45 per block, max loss is 1.05 or $105 per block, closed for max profit
September 10th, selling the Sept18th expiration:
Short 23.50 calls at 1.92, long 25 calls at 1.55, credit of 0.37
Max profit is 0.37 or $37 per block, max loss is 1.13 or $113 per block, closed for max profit
September 11th, selling the Sept25th expiration:
Short 22 calls at 2.386, long 23 calls at 2.138, credit of 0.248
Max profit is 0.248 or $24.80 per block, max loss is 0.752 or $75.20 per block, closed for max profit
September 18th, selling the Oct2nd expiration:
Short 20 calls at 2.164, long 21 calls at 1.914, credit of 0.25
Max profit is 0.25 or $25 per block, max loss is 0.75 or $75 per block, closed for max loss
September 22, selling the Oct2nd expiration:
Short 25 calls at 0.884, long 26.50 calls at 0.732, credit of 0.152
Max profit is 0.152 or $15 per block, max loss is 1.348 or $134.80 per block, closed for max profit
September 25, selling the Oct9th expiration:
Short 24 calls at 1.45, long 25.50 calls at 1.21, credit of 0.24
Max profit is 0.24 or $24 per block, max loss is 1.26 or $126 per block, closed for max profit
October 5, selling the Oct16th expiration:
Short 22.50 calls at 0.90, long 24 calls at 0.68, credit of 0.22
Max profit is 0.22 or $22 per block, max loss is 1.28 or $128 per block, closed for max profit
October 16, selling the Oct23rd expiration:
Short 18 calls at 0.48, long 19.50 calls at 0.31, credit of 0.17
Max profit is 0.17 or $17 per block, max loss is 1.33 or $133 per block, closed for max profit
Adding these together, my goal was to make $209.80 per block, and I risked losing $890 per block.
All
of the spreads were identical in quantity. I lost on one and won on
all the others, so my actual gain/loss netted together was a gain of
$109.80 per block.