For the purpose of this market, a “mass shooting” is defined as an event involving the intentional use of firearms to harm multiple individuals, leading to at least 20 victims who are killed in the incident. The count of fatalities will exclude the shooter(s) involved in the attack.

The event must be confirmed by credible news sources and official law enforcement reports, specifying the number of fatalities.

• Yes: A mass shooting with more than 20 fatalities (excluding the perpetrator(s)) will occur in the US/US territories in 2024.

• No: No mass shooting with more than 20 fatalities (excluding the perpetrator(s)) will occur in the US/US territories in 2024.

Please note that incidents occurring as part of organized crime, gang conflicts, or terrorist attacks are included as long as they meet the specified criteria for fatalities.