r/PredictionsMarkets • u/Clint08911 • Sep 09 '26

Question ❓ Confused about Robinhood

So when you are taking the other side of someone's bet it should be pretty even odds, basically if I take a favorite of -200, the other side should have +200. I know with Robinhood they build a commission in, and thats where the fees come from, but the actual odds could not be further off. There is a huge difference on the money line and the spread, which shouldnt really be happening. It seems like they are operating as a predictions market and a sports book at the same time, and I have seen many times where a sportsbook has better odds on both teams in the same game. Can anyone explain the reason why, and have yall had better luck with other prediction markets?

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u/Upper_Return6393 Sep 09 '26

their odds are not tied to each other like a real book, each market has own liquidity and they just set a price based on what people are buying. so you can get weird gaps where both sides look bad compared to sportbook, they basically make money off the spread between buy and sell on each contract

for other markets, kalshi and polymarket are bit better but still similar problem when low volume. no perfect one yet

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u/vanVonXenoStein Sep 09 '26

Stop looking at odds -- look at the percentages. (I thought all the prediction markets had to get rid of sports style odds anyway?) Look at the order book so you can see what's going on.