Mid-July, the calendar tips over. The World Cup is winding down while the "winner" markets for the World Series and the NFL season run at full tilt. Welcome to futures season.

A future is a bet on a distant outcome: the champion of a tournament, a league, a season. Appealing, because a small stake can chase a big multiple. But it's also the most taxed market in sport: the more contenders there are, the more margin the broker stacks — the vig — onto every price.

The result: on a thirty-team market, the sum of implied probabilities runs well past 100%. You pay that surplus whether you win or not. Your edge has to be bigger just to break even.

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The angle. Futures are best taken with method, not with a fan's eyes. Convert every price into a probability, compare it to your own estimate, and beware the big tickets: that's where margin and emotion cost the most.

Yoseri News is an educational outlet. Nothing in this article is investment advice, nor an encouragement to bet. Always stay within your means.

Mid-July: the season when long-term markets cost you the most

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