TOTAL VOLUME:
$67.1b
24H VOL:
$301,578,131
24H TRANSACTIONS:
640,309,855
OPEN INTEREST:
$1,376,179,535
624,669
Markets across
13,794
events
MATCHED EVENTS:
1,207
PLATFORM COVERAGE:
4
Polymarket:
49%
VS.
Kalshi:
51%
Intro
This market tracks which golfer will win the 2026 PGA Tour RBC Canadian Open. Across Kalshi and Polymarket, the aggregated consensus shows Bud Cauley at 99.1% to claim the title, with Matt Fitzpatrick at 0.9%. Resolution will be determined by official PGA Tour records. Watch for the tournament conclusion on June 14, 2026, when the winner will be officially confirmed and markets will settle.
PredictionHero - Resolution Divergence Alerts (RDA)
Divergence Detected
Issue:
Polymarket provides explicit tie-breaking rules (alphabetical by last name), a hard resolution deadline (June 20, 2026, 8:00 PM ET), and an 'Any Other Player' catch-all market. Kalshi lists 146 named players but omits these procedural details and does not address unlisted winners.Hero Tip:
On Kalshi, assume all named-player markets resolve No if an unlisted player wins, but this is not guaranteed. On Polymarket, the 'Any Other Player' market (question 101) explicitly captures unlisted winners. If the final field includes players not listed on either platform, Polymarket's structure is more robust. Set a calendar reminder for June 20, 2026, 8:00 PM ET on Polymarket to avoid surprise 'Other' resolution.Critical Divergence Points:
Kalshi:
146 individual player markets, each binary (Yes if player wins). No explicit handling of unlisted winners, tie-breaking procedure, or resolution deadline. Implicitly assumes one of the 146 named players will win.Polymarket:
80+ named player markets plus 'Any Other Player' catch-all. Explicit tie-breaking: 'If multiple winners are announced then this market will resolve to the player whose listed last name comes first alphabetically.' Hard deadline: 'If no winner is announced by June 20, 2026 at 8:00PM ET this market will resolve to "Other".' Primary source: PGA Tour official website.
Polymarket
This market will resolve according to the listed player who wins the 2026 RBC Canadian Open tournament. If a listed player is eliminated from contention for the RBC Canadian Open tournament based on the official rules of the tournament, the relevant market will immediately resolve to "No". If an unlisted player wins the RBC Canadian Open tournament this market will resolve to "Other". In the event of a tie, this market will resolve according to the official winner as determined by PGA Tour official tournament rules. If multiple winners are announced then this market will resolve to the player whose listed last name comes first alphabetically. If no winner is announced by June 20, 2026 at 8:00PM ET this market will resolve to "Other". The primary resolution source will be the official results published by the PGA Tour website (https://www.pgatour.com/).
Kalshi
The RBC Canadian Open resolves based on which eligible golfer achieves the lowest score and wins the tournament. If a golfer forfeits, withdraws, or does not participate prior to teeing off, Tournament Winner markets resolve to No. For other market types (Finishing Position, Make the Cut, Head-to-Head, and 3-Ball), non-participating golfers' contracts resolve to Fair Market Value rather than automatic losses, reflecting the adjusted competitive landscape.
Frequently asked questions
Prediction markets like Kalshi and Polymarket often diverge from traditional sportsbooks because they operate on different mechanisms. Prediction markets rely on peer-to-peer trading and real-time price discovery, while sportsbooks set fixed odds and manage liability. Prediction market prices can reflect sharper, more granular consensus when liquidity is high, but sportsbooks may offer tighter spreads or promotional value. Comparing both sources helps identify mispriced opportunities and understand whether the broader betting public or professional traders hold stronger conviction on specific RBC Canadian Open outcomes.
Kalshi and Polymarket can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Each platform attracts different trader demographics, liquidity pools, and fee structures, causing temporary price gaps. Kalshi and Polymarket may also list slightly different outcome wordings or contract specifications for the same event. Regulatory constraints, withdrawal policies, and user interface design influence how quickly prices converge. Arbitrage traders exploit these spreads, but friction costs and platform-specific risks prevent perfect alignment. Monitoring both venues reveals which platform's participants hold stronger conviction and where value may exist relative to consensus.
Player injuries, withdrawals, or form changes in the weeks leading up to the tournament will shift odds significantly. Recent PGA Tour results, major championship performances, and course-fit analysis drive trader positioning. Weather forecasts and course condition updates closer to the event can favor certain playing styles. Betting syndicates or sharp money moving into a particular contender often triggers rapid repricing across Kalshi and Polymarket. Media narratives around favorites, comeback stories, or international player momentum also influence market sentiment and trading volume.
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