Counter-Strike: TYLOO vs Legacy (BO3) - IEM Cologne Major Stage 2

Platform comparison

Active sub-markets

Market context

TYLOO, a Chinese Counter-Strike organisation, face Legacy in a best-of-three Round 5 match at the IEM Cologne Major Stage 2 on 9 June 2025. The match determines progression through the tournament's second stage, with the winner advancing and the loser facing elimination or a lower bracket. TYLOO have competed in multiple Valve-sponsored Majors since 2016, whilst Legacy's Major participation history is considerably more limited, making this a significant opportunity for the Brazilian-based squad.

The 0% implied probability across prediction markets reflects Legacy's substantial underdog status. Comparable Major stage matches between established Asian organisations and emerging teams from less-represented regions have historically settled with the favoured team winning 75–85% of the time, though upsets do occur in best-of-three formats where map selection and preparation can shift outcomes. Legacy's previous Major appearances show inconsistent results against top-20 ranked opposition, whereas TYLOO maintain regular qualification to international events. However, the settlement window extends to 7 days beyond the scheduled date; delays or technical issues affecting match completion would trigger a 50-50 resolution, a clause that differs across platforms—Polymarket and Kalshi both enforce this rule, whilst some Betfair and Smarkets books may offer alternative settlement terms.

Traders should monitor ESL's official schedule for any postponements, as IEM events occasionally face delays due to technical or logistical factors. Team roster changes or visa complications affecting either squad would be announced through ESL channels or team social media in the 48 hours before play. Current odds structures vary significantly: Polymarket displays decimal odds (100.0 for Legacy), Kalshi uses yes/no contracts, and Betfair's lay odds on Legacy would reflect the inverse probability. Fee structures—Polymarket's 2% settlement fee, Kalshi's flat commission, and Betfair's commission on winnings—will affect net returns across platforms for positions held through resolution.

Methodology

We read Counter-Strike: TYLOO vs Legacy (BO3) - IEM Cologne Major Stage 2 from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.

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 Polymarket Alternative, 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.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Polymarket Alternative?

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

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.