logoalt Hacker News

pinkmuffinerelast Monday at 5:58 PM6 repliesview on HN

> 73% of all polymarkets do resolve to No though.

I bet the average price for a no bet across these markets is 73 cents.


Replies

llamatabootyesterday at 3:16 AM

A persistent bias in prediction markets is pricing very non likely events as slightly more likely than they are. ie; a 1% event priced at 4%, etc, because people like to bet long shots.

Whether there is enough of a predictable bias there to snag enough low return high probability bets to beat the vig and not shift the markets I have not looked into in any way,but it is a known bias with them.

The real money to be made in prediction markets is being the ones with the actual knowledge which is arguably why they are useful and why for some topics, people find them abhorrent.

show 2 replies
bargainbinlast Monday at 7:15 PM

71 cents*, the bookie gets a cut either way it goes.

show 4 replies
traderj0elast Monday at 6:01 PM

It's not. But also a lot of those stats thrown around are misleading.

show 2 replies
mrandishlast Monday at 8:04 PM

> I bet the average price for a no bet across these markets is 73 cents.

Behavioral economics has already answered the question of whether humans are, on average, perfectly rational economic actors. They are not.

To the contrary, there is substantial evidence indicating a meaningful number of humans will mis-estimate the likelihood of uncommon future events.

show 3 replies
r0flyesterday at 1:20 AM

I’ll take the “no” side of that bet ;)

kristopolouslast Monday at 6:18 PM

Why would outcomes match perceptions?

The whole premise of gambling is that they don't

show 2 replies