I am certain my ignorance will be fully displayed here, so bear with me..
MU $39.33
I wanted to trade in this manner:
Sell Oct-6 39.50 put @ 0.99
Buy Oct-6 38.50 put @ 0.55
With my broker (IB) this is entered as a “Buy Combo” order, and the difference between the two values becomes your Limit price. (0.44). However, I entered this order before the open this morning (which I now realize was a mistake), and it was filled thusly:
Bought Oct-6 38.50 put @ 5.00
Sold Oct-6 39.50 put @ 4.90…