"There was an assasination attempt": resolves YES if there is broad media consensus in calling the event an assasination attempt on a public figure.
"Shots were fired INSIDE the White House compound": resolves YES if before market close there is reporting clearly stating that shots were fired inside the compound. Resolves NO if there is reporting clearly stating the opposite. Resolves N/A if there is no reporting of any kind about where shots were fired by market close.
"Trump mentions the ballroom when discussing the event": resolves YES if before market close and while discussing the event Trump makes any kind of reference to the ballroom. There must be video of him talking, indirect reporting wouldn't count.
Update 2026-05-23 (PST) (AI summary of creator comment): The "Shots were fired INSIDE the White House compound" sub-question can resolve YES based on Secret Service gunshots.