So I did the math on the GM example and the .72 credit is correct not counting the commission however, I went back to the chart and by April options expiration GM was definitely below the 26 so how did they unwind this position? It remained a loser. Glad to see the roll technique but unless you rolled to lower strikes this one didn’t work out.
How did you roll for 3.50 when put was 5.00 in the money?
Your examples are a little misleading since you do not include commissions, also, rolling out to the same strike price can result in increasing your potential loss if the stock continues to fall
interesting option site