those 3x are not suppose to be long term hold/trades, but lets look at a 'what-if'
on UVXY understanding its forever decaying behavior, I did a 'what-if' with an IV of 125%+. I looked at & mapped the past reverse splits to see over time after each consolidation what that the split new price was - I found it was somewhere between $36-$39.
then took the points 'what-if' I was to sell the long 'out 12 mths' ATM call & put. Knowing the behavior similar to the ^VIX, I figured time with time on my side, a trade is possible.
using a basic option calculator the option premium worked out to approx $15 on each side.
http://www.option-price.com/
with a $36 stock price I could basically follow this down to $6 knowing that should the stock get to the $7-$8 range it would reverse split again.
on the upside (taking into account March/April 2020 market & how UVXY moved around) the stock popped, my call option was in the money ... but no sweat, because I would 'sit & wait' still have 6 or so mths for UVXY to drop back.
stock at $36 with $30 of option premium my upside protection is stock at $66 before I start to lose on this trade if the stock was above $66 on expiry.
ideally on expiry stock at ~$10, I have $30 of option premium.
$36 call strike, stock on expiry at $10, that's $26 out of my $30 premium, I won $4 on the trade.
The other trade with the stock at $36 was to sell a 12 mth out covered call at $18 strike, receive $25 option premium, downside to ~$11.
should the stock drop before expiry I would use time decay to close the position.