National Bank Open: Marta Kostyuk vs Iga Swiatek

According to the latest prediction market data for the query “National Bank Open: Marta Kostyuk vs Iga Swiatek”, traders have formed a strong consensus.

Currently, National Bank Open: Marta Kostyuk vs Iga Swiatek Set 1 Winner is dominating the market with an overwhelming 8,050% chance of winning. National Bank Open: Marta Kostyuk vs Iga Swiatek follows in second place at 6,650%, while National Bank Open: Marta Kostyuk vs Iga Swiatek Match O/U 21.5 sits in third with 5,350%. The betting volume for this specific market has already reached $263.3K, reflecting intense industry interest.

To better assess where each potential outcome stands, the market can be segmented into three distinct trading tiers based on implied probability and contract pricing:

🥇 Tier 1: The Dominant Leader

• National Bank Open: Marta Kostyuk vs Iga Swiatek Set 1 Winner (8,050%): Currently commanding the highest probability, National Bank Open: Marta Kostyuk vs Iga Swiatek Set 1 Winner is heavily favored by the order book. Traders looking to back this outcome face a “Buy Yes” contract price of 8,050¢, signaling a high degree of market conviction. This contract alone has generated $5.4K in volume.

🥈 Tier 2: The Primary Challengers

• National Bank Open: Marta Kostyuk vs Iga Swiatek (6,650%): Positioned as the most viable alternative, National Bank Open: Marta Kostyuk vs Iga Swiatek maintains a 6,650% chance of resolving true. Its “Buy Yes” shares currently trade at 6,650¢.
• National Bank Open: Marta Kostyuk vs Iga Swiatek Match O/U 21.5 (5,350%): Sitting in third place with a 5,350% probability, the market shows measured skepticism toward National Bank Open: Marta Kostyuk vs Iga Swiatek Match O/U 21.5, treating it as an outside wildcard unless momentum shifts.

🥉 Tier 3: The Long-Tail Options (Combining for ~0%)

Beyond the top three choices, a wide field of macro variables and long-shot outcomes are being tracked. While their individual probabilities hover low, they represent crucial hedges for speculative traders:

• Alternative Options: This includes National Bank Open: Marta Kostyuk vs Iga Swiatek Set 2 Winner (5,100%), Completed Match (5,000%), and National Bank Open: Marta Kostyuk vs Iga Swiatek Set 1 O/U 8.5 (5,000%).
• Speculative Volume: Despite low statistical likelihood, certain long-tail contracts like National Bank Open: Marta Kostyuk vs Iga Swiatek Set 2 O/U 8.5 are still attracting notable interest.

This market refers to the tennis match between Marta Kostyuk and Iga Swiatek in the National Bank Open, originally scheduled for August 9, 2026 at 10:00AM ET.

This market will resolve to 'Marta Kostyuk' if Marta Kostyuk advances against Iga Swiatek.

This market will resolve to 'Iga Swiatek' if Iga Swiatek advances against Marta Kostyuk.

If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.

If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.

If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.

The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.