The US Dollar / Swiss Franc (USD/CHF) market is a short-horizon contract asking whether the USD/CHF exchange rate will finish higher or lower on a single trading day, October 28, 2026. The contract is built around one price comparison rather than a view on the broader currency pair, so its outcome depends on a specific published price at a specific time. The Swiss franc is the currency of Switzerland and Liechtenstein. It is also legal tender in the Italian exclave of Campione d'Italia, which is surrounded by Swiss territory [2]. The Swiss National Bank issues the banknotes, and the federal mint Swissmint issues the coins [2]. Switzerland has a highly developed free-market economy and ranks among the wealthiest countries in the world by GDP per capita [3]. This background describes the currency and its setting but does not explain how USD/CHF moves on any given day. The resolution rules are specific. The market resolves to "Up" if the reference price for USD/CHF on October 28, 2026 is higher than the reference price for the most recent prior reference day. It resolves to "Down" if the reference price is lower. If the two reference prices are exactly equal, the market resolves 50-50 [1]. Each reference price is the Close value of the Pyth 1-minute candle timestamped 4:59 PM Eastern Time, covering 4:59:00 to 4:59:59 PM ET on that date. Prices are used as Pyth publishes them, without rounding [1]. A reference day is any day on which the applicable trading session for USD/CHF, under the trading-hours schedule listed on Pyth, includes 4:59 PM ET. Weekend sessions without a 4:59 PM ET close are skipped, and a market holiday moves the reference to the next most recent prior reference day [1]. The rules include fallbacks. If no valid Pyth Close exists for the 4:59 PM ET candle on a relevant day, the last valid Pyth price published before 5:00 PM ET on that date is used instead. If no valid price is published on the prior reference day because of an outage or data failure, the next most recent prior day with a valid price is used. If no valid price is published at all on October 28, 2026, or if that date is not a trading day under the Pyth schedule, the market resolves 50-50 [1]. The designated resolution source is Pyth's USD/CHF data page, with historical 1-minute candles accessible by adding a Unix timestamp in seconds using the "t=" parameter [1]. The listed end time for the market is 2026-10-28T21:00:00.000Z [1].

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