This PredictPedia contract asks whether China will establish an aerial or naval blockade of Taiwan by December 31, 2026, 11:59 PM ET [1]. Under the stated rules, the market resolves Yes if China announces such a blockade, or if one is de facto established. A qualifying blockade must prevent normal entry or exit of foreign commercial traffic to or from Taiwan's main ports or airports, through the threat or use of force, for at least 24 hours [1]. It must also cover part or all of the main island of Taiwan [1]. The rules give three ways a blockade can qualify. It can be formally declared and enforced. It can be de facto, meaning a wide consensus of credible reporting establishes that China is blocking a significant portion of foreign commercial traffic, whether or not Beijing issues a statement [1]. Or it can take the form of China-issued navigation or airspace prohibitions over the main island's approach lanes that are actively enforced so that most foreign commercial access is denied [1]. The rules state that the resolution source will be a broad consensus of credible reporting [1]. The rules also exclude several activities. Military exercises or drills do not count unless they actively stop third-country ships or aircraft or materially deny access [1]. Economic or coercive measures such as sanctions, customs delays, fishing bans, or cyber and GPS jamming do not count without physical interdiction or enforced closure [1]. Weather or accident closures, and voluntary rerouting by operators without Chinese enforcement, do not count either [1]. Incidents limited to outlying islets, and the seizure or inspection of a single vessel or aircraft on its own, are also excluded [1]. The listed end time for the contract is January 1, 2027, at 04:59 UTC [1]. That date is part of the contract's structure and does not indicate that any event is scheduled to occur on that date.

Historical Context

The Wikipedia article on the Fourth Taiwan Strait Crisis describes an ongoing conflict between the People's Republic of China and Taiwan, officially the Republic of China, in which the PRC conducted several large-scale military exercises that encircled Taiwan [3]. According to that article, the PRC began maneuvers on August 2, 2022, and launched its first major drill from August 4 to 11, 2022, which included live-fire drills, air sorties, naval deployments, and ballistic missile launches [3]. The article describes this as China's biggest escalation in the region since the Third Taiwan Strait Crisis in 1996 [3]. This history illustrates the kind of large-scale drill that the contract's rules say does not, by itself, qualify as a blockade [1][3].

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