What should the sum of "Yes" and "No" prices and percents be for a CME Event Contract?

Yes, positions can be exited before the event occurs. However, the ability to sell a contract depends on market liquidity and available prices at the time…

What is an event contract?

An event contract is a standardized, exchange-listed contract that lets you take a Yes/No position on the outcome of a specific, measurable event. For example, you can trade on whether a particular asset's price will be above a certain level at a set time. Each contract settles at a fixed value if the event happens ("Yes") and at zero if it does not ("No"). You can trade event contracts on Interactive Brokers through the Prediction Markets platform…

The sum of the “yes” and “no” price for ForecastEx Forecast contract does not equal $1 because the sum excludes the spread provided to market makers for providing liquidity.

The sum of the “yes” and “no” percentages for ForecastEx Forecast contract does not equal 100% because the sum excludes the spread provided to market makers for providing liquidity…

The maximum risk on a long position in a CME Event contract will be the amount of money the market participant pays as the premium for that event contract…