I'm kinda with you. I've been averaging into FNGU in my ROTH on an embarrassingly small scale. Completely different product, but still a leveraged ETF. Average entry is 34.15. Sort of an oops, but not really. It's more of just a fun experiment using a little algebra with very small size relative to the account.
How to catch a falling knife trade - https://duckduckgo.com/?q=How+to+catch+a+falling+knife+trade&t=h_&ia=web
Gaining 15% is catching falling knife? Where is the knife? I can use the gains to buy quite a few knife.... I'll be happy to catch those 15% knife.