Counter-Strike: 1WIN vs Butterfly (BO3) - NODWIN Clutch Series Playoffs

Platform comparison

Market context

1WIN face Butterfly in a best-of-three Counter-Strike playoff match in the NODWIN Clutch Series, a single-elimination stage where the first team to take two maps advances. In a prediction market like this, a **YES** share pays out if the named outcome happens — here, that means 1WIN win the match — while a **NO** share pays out if Butterfly win. A current crowd-implied probability of 50% suggests the market is treating the match as broadly balanced, with no clear favourite priced in at the moment. [5][7][9]

The most useful comparison is the teams’ recent head-to-head form. Butterfly beat 1WIN 2-1 in a BO3 on 30 July, which shows the matchup has already been competitive rather than one-sided. At the same time, market and odds data from that earlier meeting still leaned towards 1WIN beforehand, so the result also warns against reading too much into pre-match favourite status alone. More generally, NODWIN Clutch Series playoff matches are all BO3s, so a single map swing can matter a great deal, especially when the sides are close in quality. [4][8][7]

For traders, the main catalysts are simple: confirmation that the semifinal starts on schedule, any roster or substitution news, and whether the bracket still lines up with the listed playoff slot. The event page shows the playoffs running from 3–6 August with BO3s, while live listings around this match show Butterfly and 1WIN queued for the NODWIN playoff stage, so schedule changes would be the first thing to move sentiment. If the game is delayed, abandoned, or not completed in the window, the market rules say it can resolve 50-50 rather than to either side. [3][5][7]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Counter-Strike: 1WIN vs Butterfly (BO3) - NODWIN Clutch Series Playoffs across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Market UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

UK Frequently Asked Questions

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 Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.