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Is there a difference between framing a sports betting market to 100% or framing it to 90%? Many professional sports bettors say they do it to 90% and bet anything over their price, so if they price a bet $2 decimal (even money) at their 90% market they bet it anytime its over the price of $2. Is there any errors framing the betting market below 100% so 90% say vs 100%?
nope, no errors at all. the 90% framing translates down proportionally from the 100% to the 90% so if you calculate the even money wagering frequency setting it to $2 decimal of course and you frame it down a bit to around 90% then you should end up a winning bettor over the long term assuming things converge as expected. now framing it down below 90% i think you could run into problems with the distribution profile becoming skewed so i'd stick to + or - 10%.