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Did you overpay on “Who will win the Ballon d'Or in 2026”?
Say what you paid, where and when. We price the same stake on the other venue’s archived book at that moment — ask, one-way taker fee included — and tell you what your ticket was really worth.
Your bet
You overpaid. A $100 stake on “Who will win the Ballon d'Or in 2026?” made $69 on Polymarket vs $63 on Kalshi if it hit — you left $5 on the table.
Polymarket was asking 58.3¢ at that moment — 171 contracts, $2 in fees. Your fill: 60¢, 166 contracts, $3 in fees on Kalshi.
priced between the Sep 24 07:30 and Sep 24 07:31 UTC snapshots
Read against the Polymarket book at Sep 24 07:31 UTC, after one-way taker fees on entry (Kalshi 7 % of price × (1 − price), rounded up to the cent; Polymarket 6 % of price × (1 − price)). A bet held to settlement pays no exit fee. Snapshots are coarse — this is what the book said, not a fill you were guaranteed.
Both sides of this market
Latest archived asks: Kalshi 60¢ · Polymarket 58.3¢. The full odds history for each side: Kalshi market page · Polymarket market page.