Dota 2: Nigma Galaxy vs OG (BO3) - The International Group Stage

Platform comparison

Market context

Nigma Galaxy and OG will face each other in a best-of-three Dota 2 match during The International Group Stage on 13 August 2026, with the fixture scheduled for 5:00 AM ET. The current crowd-implied probability of 100% YES suggests near-universal confidence that the match will proceed as scheduled, though this reflects only that traders expect the event to occur rather than any assessment of which team will prevail.

Historical precedent from The International tournaments shows that group-stage matches rarely cancel outright; postponements occur occasionally due to technical issues or player illness, but rescheduling typically happens within the seven-day window specified in the settlement terms. OG's track record at The International—including two championship victories in 2018 and 2019—contrasts with Nigma Galaxy's more recent roster iterations, though both organisations maintain stable sponsorship and infrastructure that reduces cancellation risk. The 100% probability reading should be interpreted as market confidence in match execution rather than an absence of competitive uncertainty.

Traders should monitor official The International schedule announcements and any roster changes announced in the week preceding 13 August, as player availability or last-minute substitutions could theoretically trigger postponement discussions. Recent Dota 2 esports coverage from sources such as Liquipedia and ESL's official channels will carry any fixture adjustments. The settlement window closing at 15:30 UTC on 13 August provides a six-hour buffer after the scheduled start time, sufficient for most technical delays but potentially tight if significant rescheduling becomes necessary.

Methodology

We track Dota 2: Nigma Galaxy vs OG (BO3) - The International Group Stage across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi vs Polymarket. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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.

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.