If Ordinary is the #1 song on the Billboard Hot 100 charts for Jan 31, 2026 then the market resolves to Yes. **This market and these products have not been endorsed by Billboard. Any references to "Billboard", the "Hot 100," or any other associated marks are descriptive only, and do not indicate an endorsement of this product or any affiliation between Billboard and Kalshi.**The Billboard Hot 100 measures music consumption from a Friday to Thursday. This is released as the chart for the Saturday following Thursday (in this case, Jan 31, 2026). Clarification 7/18/23: In the past, this market has used <date> to refer to the date at the end of the tracking week (the week in which Billboard records music consumption to be eligible for the Hot 100), a Thursday. In the future, the <date> in the Rulebook and the date listed in the short market rules on the market page will refer to the date that a given Billboard chart is dated for, as the Instructions in the market rules model. This is the second Saturday following the end of the tracking week. For example, today's new market will cover music consumption ending Thursday, July 20. The chart will be released on Tuesday, July 25. it will have a <date> corresponding to Saturday, July 29, 2023.