What is the maximum risk on a long position in a CME Event Contract?

The maximum loss on an Event Contract is generally limited to the amount you paid for the contract, as these contracts are designed with fixed settlement outcomes (subject to fees and applicable rules)…

For CME Event Contracts, the minimum trade size for a single order is one contract. The maximum trade size for a single order is 250 contracts…

The list of Event Contracts can be viewed on the IBKR Prediction Markets webpage. …

The maximum risk on a position in a ForecastEx forecast contract will be the amount of money the market participant pays as the premium for that forecast contract…