Kansas City Royals vs. Chicago White Sox

Platform comparison

Active sub-markets

Market context

The Chicago White Sox defeated the Kansas City Royals 22–1 in their MLB game on 26 June 2026 at Rate Field, a result that renders the current 0% implied probability for a Royals win entirely consistent with the outcome already settled[1][2]. This game, scheduled for 7:40pm ET, has already been played, meaning the market’s resolution is fixed on the White Sox victory, not a future contest[2][6].

Historically, such lopsided scores—like the White Sox’s 10-run third inning where seven batters scored with two outs—signal a complete collapse in the opposing team’s defence and pitching, making any reversal of form implausible in the immediate aftermath[3][1]. Comparable cases in MLB show that teams losing by 21 runs rarely recover within the same series, reinforcing why the market correctly assigns zero chance to a Royals win[1].

Traders should monitor official MLB final statistics and any postponement notices, though no delay is expected given the game has concluded[4][7]. Recent coverage confirms the White Sox’s dominance, with Miguel Vargas’ sixth-inning home run cementing their lead[5]. On platforms like Polymarket versus Kalshi, divergence arises in decimal odds versus implied probability displays and fee structures, but all books align here: the outcome is settled, and the 0% probability reflects the definitive 22–1 result[1][6].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Kansas City Royals vs. Chicago White Sox specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to Kalshi Alternative UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

FAQ

Where can I trade this market with the lowest fees?

On Kalshi Alternative UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Kalshi Alternative UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What does it cost to trade on Kalshi Alternative UK?

Zero. Kalshi Alternative UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.