US Open, Qualification WTA: Savannah Broadus vs Tyra Caterina Grant

Platform comparison

Market context

The US Open women’s qualifying meeting between Savannah Broadus and Tyra Caterina Grant has been priced at 0% YES by the crowd, which leaves the market treating Broadus as the clear underdog and Grant as the near-certain favourite. On ranking strength, that split is logical: Broadus has been listed around world No. 307, while Grant has been around No. 153 to No. 149 in late-August snapshots, a gap that usually matters more on hard courts in a first-round qualifying match.[1][2][4]

For comparable cases, the better read is that a 0% crowd line often reflects more than raw ranking: it can be driven by draw timing, perceived form, or simple overreaction to a known mismatch. Broadus does have value only if the market has over-penalised her, but the consensus still sits firmly with Grant unless there is late evidence that the Italian has a fitness or scheduling issue.[1][10][13]

The main catalysts are straightforward: whether the match is actually played on Court 7 as scheduled, whether the order of play changes, and whether any late withdrawal or retirement alters the settlement path. The US Open qualifying draw listed Broadus and Grant in the women’s qualifying field, and match listings had them scheduled for 24 August 2026 at 18:30 UTC, so traders will care most about official updates from the event rather than longer-run form narratives.[1][10][12]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews US Open, Qualification WTA: Savannah Broadus vs Tyra Caterina Grant 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 Who Will Win 2026, which mirrors the Polymarket order book at 0% fees.

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

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.

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 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.