Dota 2: InterActive Philippines vs Mentality Monster (BO3) - The International Southeast Asia Closed Qualifier Playoffs

Platform comparison

Active sub-markets

Market context

Polymarket’s YES shares on this Dota 2 best-of-three are trading at **0%**, so the contract is effectively pricing an InterActive Philippines win as unreachable unless the market reprices on fresh information before settlement. On Polymarket, the position is held in **USDC** on **Polygon**, and the contract resolves through the usual conditional-token mechanism, so the only thing that matters now is whether the match is played to a winner within the settlement window.

The historical read-through is not encouraging for Mentality Monster, because the clearest comparable recent meeting in this pairing also leaned towards InterActive Philippines: Strafe’s user poll on a June series gave InterActive Philippines **79%** of votes versus **21%** for Mentality Monster.[1] More broadly, the event is a lower-bracket playoff in the Southeast Asia closed qualifier for The International, where elimination formats tend to compress variance, but they still reward the side with the cleaner map pool and draft discipline.[2][3]

The main trader catalysts are operational rather than abstract: any bracket update, start-time change, or late-series delay can matter more than pre-match opinion, because the market only resolves if the scheduled match produces a winner inside the deadline. Current listings place the series on 21 June at **05:00 UTC** or **08:00** local time, with Kalshi’s own comparable map market also anchored to the original 1:00 AM EDT slot.[2][4][5] In practice, watch for tournament admin announcements and live-score feeds, because qualifier schedules can shift when preceding matches overrun or technical pauses push a series outside the settlement window.[2][4]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Dota 2: InterActive Philippines vs Mentality Monster (BO3) - The International Southeast Asia Closed Qualifier Playoffs on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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 Kalshi 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 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 UK?

Zero. Kalshi 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.