National Bank Open: Emerson Jones vs Lanlana Tararudee

Platform comparison

Market context

Polymarket is pricing Emerson Jones at **33%** on a USDC contract settled on Polygon, so the market is treating Lanlana Tararudee as the clear favourite while still leaving meaningful room for an upset or a schedule-driven 50-50 outcome. The underlying event is a first-round National Bank Open women’s match in Toronto, and the exchange-style setup matters: on-chain holders of the conditional tokens are effectively betting on who advances, with the contract also capable of falling back to 50-50 if the match is not played, ends tied, or drifts beyond the market’s delay rules.

Comparable pre-match pricing points in the same direction. Offshore books have Tararudee around the low-to-mid 1.4s in decimal terms, while Jones has been shown near 2.5 to 2.9, which translates to an implied win rate broadly in line with a sub-40% Jones price and a Tararudee edge. That gap is consistent with an underdog contract rather than a coin-flip, so the current 33% is not out of step with the broader market, though it can still move sharply if the match is delayed, rescheduled or affected by withdrawals. [1][2]

For traders, the main catalysts are simple: official order-of-play updates, any late injury or retirement news, and whether the fixture actually starts before the settlement window becomes relevant. Tennis markets can reprice quickly if a match is moved on to another court, pushed back by rain or revised by tournament scheduling, because a postponement without a winner can change the payout logic as much as the result itself. The match has already been listed across live score and betting feeds for 2 August, so any discrepancy between the published schedule and the tournament’s actual running order is the kind of detail that matters here. [3][4][9][11]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews National Bank Open: Emerson Jones vs Lanlana Tararudee 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 PolyGram, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

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 PolyGram. 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'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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.