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National Bank Open: Nicolas Mejia vs Martin Landaluce

"National Bank Open: Nicolas Mejia vs Martin Landaluce" on Polymarket, Kalshi and Is Kalshi Legal in California — what traders need to know about platform choice, KYC and tax law.

National Bank Open: Nicolas Mejia vs Martin Landaluce Set 2 O/U 8.5 100% National Bank Open: Nicolas Mejia vs Martin Landaluce Set 1 O/U 8.5 100% National Bank Open: Nicolas Mejia vs Martin Landaluce Set 2 Winner 100% National Bank Open: Nicolas Mejia vs Martin Landaluce Set 2 O/U 9.5 100% Volume: $155K Liquidity: $245K Closes: 9 Aug 2026
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National Bank Open: Nicolas Mejia vs Martin Landaluce

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Is Kalshi Legal in California) Pick
polygram.ink (preferred broker)
100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Go to the live market →
Polymarket (direct)
polymarket.com
100% 0% 0% Geo-blocked in US/UK/EU USDC, on-chain Go to the live market →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Go to the live market →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Go to the live market →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Go to the live market →

Outcome probabilities

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

OutcomeProbability
National Bank Open: Nicolas Mejia vs Martin Landaluce Set 2 O/U 8.5100%
National Bank Open: Nicolas Mejia vs Martin Landaluce Set 1 O/U 8.5100%
National Bank Open: Nicolas Mejia vs Martin Landaluce Set 2 Winner100%
National Bank Open: Nicolas Mejia vs Martin Landaluce Set 2 O/U 9.5100%
National Bank Open: Nicolas Mejia vs Martin Landaluce Set 1 O/U 9.5100%
National Bank Open: Nicolas Mejia vs Martin Landaluce Match O/U 21.599%
National Bank Open: Nicolas Mejia vs Martin Landaluce Total Sets: O/U 2.593%
National Bank Open: Nicolas Mejia vs Martin Landaluce Match O/U 22.588%
National Bank Open: Nicolas Mejia vs Martin Landaluce Match O/U 23.588%
National Bank Open: Nicolas Mejia vs Martin Landaluce65%
Completed Match50%
National Bank Open: Nicolas Mejia vs Martin Landaluce Set Handicap +/-1.53%
National Bank Open: Nicolas Mejia vs Martin Landaluce Set Handicap +/-1.53%
National Bank Open: Nicolas Mejia vs Martin Landaluce Set 1 Winner0%
National Bank Open: Nicolas Mejia vs Martin Landaluce Set 2 O/U 10.50%
National Bank Open: Nicolas Mejia vs Martin Landaluce Set 1 O/U 10.50%

Market context

Nicolas Mejia and Martin Landaluce are due to meet in the National Bank Open first round, with the market currently pricing a Mejia win at 23% and a Landaluce advance implied as the favourite outcome. There is no head-to-head history, so pricing is being driven more by ranking, surface profile and recent form than by any direct matchup record.[2][10][11]

The main historical read-through is that Landaluce carries the stronger ATP profile: tennis.com lists him at No. 63 to Mejia’s No. 131, while Flashscore notes Mejia is making his first-ever Masters main-draw appearance and still has a 0-3 record in main-draw hard-court matches at tour level.[11][2] Landaluce has also logged a 14-11 record against players outside the top 100 this season, which is one reason a sub-25% Mejia price can still make sense in a hard-court Masters setting even without prior meetings.[2] For regulatory context, whether the contract is accessible can depend on the venue: German-facing users may run into GlüStV restrictions if the platform is treated as gambling rather than a permitted financial product, while US users face a separate CFTC reach question if the market is offered as an event contract into US jurisdiction. If the venue advertises “no-KYC up to $1,500”, that usually means small withdrawals or open exposure can be used without full identity checks, but it is not the same as unrestricted access and may still be limited by geography, compliance review and funding rails.

For traders, the key catalysts are whether the scheduled match actually starts on time, whether the draw order changes, and any late injury, withdrawal or weather-related delay that pushes the fixture outside the market’s settlement window. The National Bank Open draw pages and live match listings already show the pairing as a Round 1 contest, but ATP event scheduling in Montreal can move depending on court allocation and prior matches, so the practical trigger is confirmation from official order-of-play updates and live score feeds.[10][11][16] Because the market resolves to 50-50 if the match is not played, ends tied, or is delayed more than seven days without a winner, administrative delays matter almost as much as on-court performance.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of National Bank Open: Nicolas Mejia vs Martin Landaluce 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 Legal in California has a different geo footprint.
Do I need to KYC for Is Kalshi Legal in California?
Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
What happens during a tax audit?
You're responsible for documenting your trades. Is Kalshi Legal in California exports a full transaction history (CSV/PDF) for tax reporting. In an audit you'll need to present these documents.
Are prediction markets gambling?
Legally unclear in most jurisdictions. Some interpretations classify them as wagering (gambling regulation applies), others as derivatives (financial regulation applies). There's no global precedent specifically for on-chain prediction markets.
What if regulation changes?
If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Kalshi Legal in California would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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Related Topics

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