Rolled $SPX Jul 21 7520 puts out to Jul 22 7500 puts @ 3.80 credit
Rolled $SPX Jul 21 7500 puts out to Jul 22 7480 puts @ 6.85 credit
Rolled $SPX Jul 21 7480 puts out to Jul 22 7470 puts @ 6.20 credit

Rolled $SPX Jul 21 7420 puts out to Jul 24 7440 puts @ 15.45 credit