National Bank Open: Elise Mertens vs Naomi Osaka

According to the latest prediction market data for the query “National Bank Open: Elise Mertens vs Naomi Osaka”, traders have formed a strong consensus.

Currently, National Bank Open: Elise Mertens vs Naomi Osaka Set Handicap +/-1.5 is dominating the market with an overwhelming 9,955% chance of winning. National Bank Open: Elise Mertens vs Naomi Osaka Match O/U 21.5 follows in second place at 5%. The betting volume for this specific market has already reached $454.3K, 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: Elise Mertens vs Naomi Osaka Set Handicap +/-1.5 (9,955%): Currently commanding the highest probability, National Bank Open: Elise Mertens vs Naomi Osaka Set Handicap +/-1.5 is heavily favored by the order book. Traders looking to back this outcome face a “Buy Yes” contract price of 9,955¢, signaling a high degree of market conviction. This contract alone has generated $37.5K in volume.

🥈 Tier 2: The Primary Challengers

• National Bank Open: Elise Mertens vs Naomi Osaka Match O/U 21.5 (5%): Positioned as the most viable alternative, National Bank Open: Elise Mertens vs Naomi Osaka Match O/U 21.5 maintains a 5% chance of resolving true. Its “Buy Yes” shares currently trade at 5¢.

This market refers to the tennis match between Elise Mertens and Naomi Osaka in the National Bank Open, originally scheduled for August 8, 2026 at 10:00AM ET.

This market will resolve to 'Elise Mertens' if Elise Mertens advances against Naomi Osaka.

This market will resolve to 'Naomi Osaka' if Naomi Osaka advances against Elise Mertens.

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.