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National Bank Open: Lois Boisson vs Antonia Ruzic

"National Bank Open: Lois Boisson vs Antonia Ruzic" on Polymarket, Kalshi and Is Kalshi Legit — what traders need to know about platform choice, KYC and tax law.

National Bank Open: Lois Boisson vs Antonia Ruzic Set 1 Winner 89% National Bank Open: Lois Boisson vs Antonia Ruzic 73% Completed Match 50% National Bank Open: Lois Boisson vs Antonia Ruzic Set 2 O/U 8.5 50% Volume: $131K Liquidity: $71K Closes: 9 Aug 2026
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National Bank Open: Lois Boisson vs Antonia Ruzic

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Is Kalshi Legit) Pick
polygram.ink (preferred broker)
89% 11% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle See live odds →
Polymarket (direct)
polymarket.com
89% 11% 0% Geo-blocked in US/UK/EU USDC, on-chain See live odds →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD See live odds →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR See live odds →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) See live odds →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
National Bank Open: Lois Boisson vs Antonia Ruzic Set 1 Winner89%
National Bank Open: Lois Boisson vs Antonia Ruzic73%
Completed Match50%
National Bank Open: Lois Boisson vs Antonia Ruzic Set 2 O/U 8.550%
National Bank Open: Lois Boisson vs Antonia Ruzic Total Sets: O/U 2.550%
National Bank Open: Lois Boisson vs Antonia Ruzic Match O/U 21.550%
National Bank Open: Lois Boisson vs Antonia Ruzic Set 1 O/U 8.550%
National Bank Open: Lois Boisson vs Antonia Ruzic Set 2 O/U 9.550%
National Bank Open: Lois Boisson vs Antonia Ruzic Match O/U 22.550%
National Bank Open: Lois Boisson vs Antonia Ruzic Set 1 O/U 9.550%
National Bank Open: Lois Boisson vs Antonia Ruzic Set 2 O/U 10.550%
National Bank Open: Lois Boisson vs Antonia Ruzic Set Handicap +/-1.550%
National Bank Open: Lois Boisson vs Antonia Ruzic Match O/U 23.550%
National Bank Open: Lois Boisson vs Antonia Ruzic Set 1 O/U 10.550%
National Bank Open: Lois Boisson vs Antonia Ruzic Set 2 Winner41%
National Bank Open: Lois Boisson vs Antonia Ruzic Set Handicap +/-1.541%

Market context

Lois Boisson meets Antonia Ružić in the first round of the National Bank Open in Toronto, a WTA hard-court event at Sobeys Stadium. The live pricing for this market implies Boisson is being treated as the more likely winner, with a current crowd-implied probability of 73%, even though the pre-match data are not especially one-sided. Boisson is ranked around No. 292, while Ružić is around No. 55, and the pair have no prior head-to-head record, so the market is leaning more on ranking and recent tour-level form than on direct history.[3][4][9][12]

That framing matters under German GlüStV and US CFTC-style access constraints: a market on a named tennis match is straightforward as a sporting event, but participation can still be limited by jurisdiction and account checks. For users who can access it, “no-KYC up to $1,500” means a smaller-volume position can often be opened without full identity verification, but it does not remove geo-restrictions, withdrawal controls, or platform compliance reviews. With a 7-day settlement window from the scheduled date, the market should also be read against the event timetable: if the match is postponed beyond that window, cancelled, or left unresolved, settlement may default to 50-50 rather than a side win.

For traders, the key catalysts are straightforward: official order of play updates, any delay on the Toronto schedule, and whether the match is completed in full. Both players were listed for 2 August in Toronto, but the market can still move if the draw is reshuffled, the court assignment changes, or the match is interrupted by weather or scheduling congestion. Ružić’s better ranking and Boisson’s lower current level create a clear basis for volatility if one player starts strongly, yet the decisive factor for settlement is still whether a winner advances, not in-match scoreline noise.[4][7][10][14]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of National Bank Open: Lois Boisson vs Antonia Ruzic reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.

Resolution & payout

On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.

FAQ

Is Polymarket legal in my country?
Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Is Kalshi Legit has a different geo footprint.
How are winnings taxed?
Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
Can I trade anonymously?
Pseudonymously, yes — up to the KYC threshold. Is Kalshi Legit stores an email address and wallet addresses rather than a legal name. Over $1,500 lifetime volume triggers KYC, after which identity is no longer anonymous.
What happens during a tax audit?
You're responsible for documenting your trades. Is Kalshi Legit exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
Is there a withdrawal cap?
No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
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Related Topics

Tennis Prediction Markets