A trade idea:
trade ditm call credit spreads for both SPY and SDS
eg:
Current price of SPY: 216.41
call credit spread sep 16 options (60 d to expiration)
sell 200 -1 (86 delta)
buy 207 +1 (76 delta)
$617 credit, max gain $629, max loss $79
current price of SDS: 16.67
call credit spread sep 16 options (60 dte)
sell 15 -2 (89 delta)
buy 16 +2 (71 delta)
$139 credit, max gain $152, max loss $48
what do you think? Paper trading looks promising.