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National Bank Open: Terence Atmane vs Jakub Mensik

Regulatory snapshot for "National Bank Open: Terence Atmane vs Jakub Mensik": platform geo-block status, KYC thresholds, tax implications.

Completed Match 100% National Bank Open: Terence Atmane vs Jakub Mensik Set 1 O/U 8.5 100% National Bank Open: Terence Atmane vs Jakub Mensik Set 2 O/U 8.5 100% National Bank Open: Terence Atmane vs Jakub Mensik Match O/U 21.5 100% Volume: $748K Closes: 14 Aug 2026
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National Bank Open: Terence Atmane vs Jakub Mensik

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
Completed Match100%
National Bank Open: Terence Atmane vs Jakub Mensik Set 1 O/U 8.5100%
National Bank Open: Terence Atmane vs Jakub Mensik Set 2 O/U 8.5100%
National Bank Open: Terence Atmane vs Jakub Mensik Match O/U 21.5100%
National Bank Open: Terence Atmane vs Jakub Mensik Set 1 O/U 9.5100%
National Bank Open: Terence Atmane vs Jakub Mensik Set 2 O/U 9.5100%
National Bank Open: Terence Atmane vs Jakub Mensik Set Handicap +/-1.5100%
National Bank Open: Terence Atmane vs Jakub Mensik Set 1 O/U 10.5100%
National Bank Open: Terence Atmane vs Jakub Mensik0%
National Bank Open: Terence Atmane vs Jakub Mensik Set 1 Winner0%
National Bank Open: Terence Atmane vs Jakub Mensik Set 2 Winner0%
National Bank Open: Terence Atmane vs Jakub Mensik Total Sets: O/U 2.50%
National Bank Open: Terence Atmane vs Jakub Mensik Set Handicap +/-1.50%
National Bank Open: Terence Atmane vs Jakub Mensik Match O/U 22.50%
National Bank Open: Terence Atmane vs Jakub Mensik Match O/U 23.50%
National Bank Open: Terence Atmane vs Jakub Mensik Set 2 O/U 10.50%

Market context

The underlying event is a men’s singles match at the National Bank Open between Terence Atmane and Jakub Menšík, with the market set to resolve on who advances. Current market pricing near zero on YES implies the crowd is treating Atmane’s win path as extremely unlikely, while outside odds and previews around the scheduled August 7 start have generally made Menšík a clear favourite, often in the 60–70% range.[1][2][10][15]

For probability reading, that kind of gap is familiar in tennis markets where one player is higher ranked and the other is a live underdog: bookmakers and model previews in this match cluster around Menšík, but tennis remains volatile because retirement, injury, and short-format momentum can overturn pre-match expectations. Comparable betting pages for the fixture showed Menšík priced around 1.40–1.50 decimal, versus Atmane closer to 2.7–3.3, which is consistent with a heavy favourite rather than a lock.[3][13][15]

On the market-access side, the relevant regulatory frame is that German GlüStV rules and US CFTC reach matter mainly to where a venue can legally offer or distribute prediction products, not to the match itself; for a user, the practical question is whether the platform allows participation from the relevant jurisdiction. “No-KYC up to $1,500” means small users can usually trade without submitting identity documents until cumulative activity or withdrawal limits trigger verification, which improves frictionless access for this specific market but does not remove local regulatory screening or platform restrictions.[5] Traders should still watch for late order-of-play changes, withdrawals, and any official ATP or tournament scheduling updates, because this market’s outcome depends on the match being completed or on the settlement rule for cancellations and delays.[8][10]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This overview of National Bank Open: Terence Atmane vs Jakub Mensik 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

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.
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.
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.
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).
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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