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

Platform comparison

Active sub-markets

Market context

InterActive Philippines meet Mentality Monster in a best-of-three lower-bracket playoff at the Southeast Asia closed qualifier for The International, with the match listed for 21 June and already live on several scoreboards and exchange-style markets. Kalshi is pricing InterActive Philippines at **35%** to win, which implies Mentality Monster are the side the market favours; Polymarket-style markets quote the same event as an implied probability rather than a decimal price, so a 0% YES print here reads more like a stalled or thin order book than a genuine consensus that InterActive Philippines cannot win[1][2][4].

For historical context, the cleanest comparable is the earlier head-to-head listing between these teams in the region, which was also treated as a best-of-three and suggests the market is not dealing with a one-off map fluke but a repeat competitive pairing[5]. The broader qualifier environment also matters: TI regional qualifier content on official video channels shows this is part of a concentrated June 19–23 window, so a single schedule change can move settlement risk quickly if a series is delayed, rescheduled or voided[3][6]. On a platform basis, Betfair and Smarkets typically express this sort of market in decimal odds with visible exchange liquidity, while Kalshi and Polymarket express probability directly; fees, market access and KYC are the main practical differences, with Kalshi generally US-centred and exchange-style platforms relying more on jurisdiction and verification rules[1][4].

The key catalysts are straightforward: whether the series starts on time, whether the bracket proceeds as posted, and whether any official feed confirms a winner before the seven-day cutoff embedded in the market rules. The market description says a cancellation, tie, or delay beyond seven days without a winner causes no resolution, so traders are mainly watching organiser updates, bracket progression and scoreboard verification rather than team news alone.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Dota 2: InterActive Philippines vs Mentality Monster (BO3) - The International Southeast Asia Closed Qualifier Playoffs 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 Polymarket Alternative, 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 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.

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, Polymarket Alternative triggers a quick verification flow that finishes in 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.