MLB: Triples Leader

Platform comparison

Active sub-markets

Market context

Corbin Carroll is currently priced at 71% to lead the 2026 Major League Baseball regular season in triples, a figure that reflects his established speed and the market’s confidence in his ability to maintain that advantage over rivals like Xavier Edwards. Historically, triples leaders have often been players with elite base-running skills who also possess the contact ability to hit balls into the gaps; Carroll fits this profile, having consistently ranked among the league’s fastest runners. In comparable seasons, players with similar speed profiles have held leads of 60% or more by mid-season, suggesting that the current 71% probability is not an outlier but rather a realistic assessment of his standing.

Traders should monitor Carroll’s upcoming schedule, particularly his performance against left-handed pitching, which has occasionally been a vulnerability, and any potential injuries that could disrupt his playing time. Recent analysis from CBS Sports highlights that stat-futures markets often shift when players show unexpected hot or cold streaks, especially when underlying metrics like exit velocity or expected batting average diverge from surface results. Additionally, the divergence between platforms is notable: Polymarket displays implied probabilities like 71%, whereas Kalshi uses decimal odds and requires KYC verification, while Betfair and Smarkets operate with decimal pricing and lower fee structures for non-US users. These structural differences can create arbitrage opportunities if one platform misprices Carroll’s chances relative to the others.

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Methodology

This page compares MLB: Triples Leader specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to Polymarket Alternative, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Alternative, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket Alternative is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Polymarket Alternative?

Zero. Polymarket Alternative routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Alternative triggers a quick verification flow that finishes in minutes.