This PredictPedia contract asks whether Greta Thunberg will be arrested or detained by law enforcement within a set window. The provider rules say the market resolves "Yes" if a qualifying arrest or detention happens between market creation and the listed end date, 11:59 PM ET, and "No" otherwise [1]. The listed end time is 2027-01-01T04:59:00Z, which corresponds to that 11:59 PM ET deadline on December 31, 2026 [1]. That date is a contract closing time. It is not an announced event or a scheduled legal proceeding. The rules are broad about what counts as detention. Being taken into physical custody by any type of law enforcement authority qualifies, as does voluntarily surrendering in response to an arrest warrant, being formally booked, being handcuffed by a state authority and taken to a police station, surrendering at a police station or courthouse with an attorney, and being placed under house arrest or electronic monitoring [1]. Temporary holding at a detention facility while a judge decides whether to grant a detention warrant also qualifies, as long as the person is held by law enforcement in an official capacity during that time [1]. Several scenarios are excluded. An arrest warrant that is issued but not executed does not count. Being questioned or interviewed without arrest does not count. Being named in an indictment without an arrest does not count [1]. These exclusions matter because a warrant or legal filing alone would not resolve the contract to "Yes" under the stated rules [1]. The primary resolution source is official information from the arresting government and law enforcement. The rules also allow a consensus of credible reporting to be used [1]. The market therefore depends on how the resolution criteria are applied to whatever official or reported information exists before the closing time. The price shown for this contract is a snapshot from a single provider event. It reflects one observed trading state and is not an executable quote or a verified probability that an arrest will occur.

Historical Context

Background sources describe Thunberg as a Swedish activist who gained global attention in 2018, at age 15, after starting a solo school strike outside the Swedish parliament. That protest inspired the worldwide Fridays for Future movement [2]. These sources do not describe any arrest, detention, or legal proceeding involving her, so the contract's underlying question is not explained by the supplied background material.

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