There are quite a few of those, my favourite: https://polymarket.com/event/will-jesus-christ-return-before...

If you put all your money on no, you get 4% if you win, and if Jesus comes back and you lose, money won't matter.

>you get 4% if you win,

This locks up your money in the meantime, right? If so, considering the fed funds rate is 3.64% (and you can probably get higher rates on stablecoins), a huge chunk of those "winnings" is going to be eaten up by the opportunity cost of the money.