Calculate the hedge stake needed for an even payout across both outcomes.
Hedge Stake = (original stake × original decimal odds) / hedge decimal odds
Net if original wins = original payout - original stake - hedge stake
Net if hedge wins = hedge payout - original stake - hedge stake
A $100 original bet at +150 and a hedge at +120 require about $113.64 on the hedge for an equal modeled net of about $36.36.
Use the result as a decision aid and keep the assumptions visible.
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