Dota 2: Grind Back vs Carstensz (BO3) - The International Southeast Asia Closed Qualifier Playoffs

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Market context

Grind Back’s lower-bracket meeting with Carstensz has already resolved on the server: the latest match listings show Grind Back winning **2-0** on 21 June, which is why the market is pinned at **100% YES** for Grind Back rather than reflecting live uncertainty.[1][2] In practical terms, the only remaining risk for settlement is a data or format issue — for example, if the result were overturned, the series were judged incomplete under market rules, or the event record changed before the settlement window closes.[1][2]

The recent form line explains why this matchup was not a pure coin flip even before the result. Grind Back had taken three of their last five matches, while Carstensz arrived with a stronger recent win rate and had also beaten Grind Back **2-1** in an earlier June meeting, so pre-match crowd opinion was split despite the later outcome.[1][7] That kind of prior head-to-head volatility is typical in SEA qualifier brackets, where team strength can swing quickly across a short run of BO3s and a single series often depends on draft execution as much as raw form.[1][7]

For today’s outlook, the main catalyst is not a fresh schedule update but confirmation that no administrative change appears before the settlement cut-off. The market description sets a fallback to **50-50** if the match were cancelled, tied, or left without a winner beyond seven days from the scheduled date, so traders are watching for any late bracket correction, scoreline amendment, or official tournament note that could affect completion status.[1][5] Because the listed result is already final across match trackers, the probability should stay anchored unless the event organisers or results providers revise the record.[1][2]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Dota 2: Grind Back vs Carstensz (BO3) - The International Southeast Asia Closed Qualifier Playoffs across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Prediction Today — the application we operate, where you trade directly against 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.

FAQ

Where can I trade this market with the lowest fees?

On Prediction Today, 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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Prediction Today triggers a quick verification flow that finishes in minutes.