TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 12, 11:59 PM EST
Kalshi
Taylor Swift's song 'I Knew It, I Knew You' will be evaluated based on its performance on the Billboard Hot 100 chart for the week of July 18, 2026. The chart measures the most popular songs in the United States based on streaming, radio airplay, and sales data.
Resolution is determined by the official Billboard Hot 100 chart published for the week of July 18, 2026. The song's final ranking position on that specific chart date determines the outcome, with each possible ranking from #1 through #10 representing a distinct resolution criterion. Billboard's methodology for chart compilation—incorporating streaming, radio, and sales metrics—establishes the authoritative ranking used for resolution purposes.
Prediction market odds often diverge from traditional analyst forecasts because they aggregate real-time trader behavior and financial incentives rather than relying on expert opinion alone. While music industry analysts may issue chart predictions based on historical patterns and promotional spend, this market reflects live consensus from participants who have money at stake. Comparing the odds here to published forecasts from Billboard analysts or music publications can reveal where the crowd sees upside or downside risk that conventional wisdom may have missed.
On Kalshi, this market is priced through an order-book mechanism where traders submit bids and asks for shares tied to specific chart-ranking outcomes. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the probability traders assign to it; higher prices indicate stronger belief that outcome will occur. As new information surfaces—such as streaming data, radio play, or promotional announcements—traders adjust their positions, moving prices up or down to reflect shifting expectations about the song's final chart position.
This market resolves around Jul 22, 2026, once the Billboard Hot 100 chart for the week of July 18, 2026 is published and verified. The outcome is determined by the official chart ranking assigned to 'I Knew It, I Knew You' on that date, confirmed against credible public reporting from Billboard and music industry sources. Traders holding shares in the correct outcome receive their payout once the result is finalized and the market settles.
Several catalysts could shift odds significantly: major streaming milestones or playlist placements on Spotify and Apple Music, radio airplay announcements, award nominations or wins, celebrity endorsements or collaborations, and chart performance of competing releases. Social media momentum, fan engagement metrics, and any surprise promotional campaigns from Taylor Swift's label could also influence trader sentiment. Additionally, broader music industry trends—such as shifts in how Billboard calculates chart positions or changes in streaming methodology—may impact expectations about where the track ultimately ranks.