Raking the money off the far side of the table

One of my strategies lately has been selling call spreads against UVXY.  Hunting for premium at, or preferably above, the current trading price, I set up 1 - 1.5 width credit spreads, and so far, all of them have paid off in their entirety by expiring worthless (I closed none early or for less than maximum profit) except one, which was assigned to me.  That was the day the president announced being infected and the market had a major conniption.  I could have handled that one better but I ended up taking the maximum loss on it.  Here is the list of spreads:

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

Adding these together, my goal was to make $192.80 per block, and I risked losing $757 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 $92.80 per block.

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