Heart of Midlothian FC vs. Sport Lisboa e Benfica

Platform comparison

Market context

Heart of Midlothian host Benfica in the second leg of a Europa League qualifying tie at Tynecastle Park, with the aggregate score already shaped by Benfica’s first-leg win in Lisbon. Early pricing at **8% YES** reads as a long-shot upset line rather than a balanced match view, so programmatic traders will usually treat it as a price that only moves materially on team-news shocks, rotation, or an unexpected shift in tie state. [2][7][15]

Comparable cases point to the same framing: Benfica were strong favourites in the first leg, and market-implied prices elsewhere reflected that gap, with Benfica heavily favoured over Hearts and Hearts priced as a very unlikely winner. Benfica’s home leg ended in a one-sided result, and their attacking output in that game reinforced the view that the Portuguese side can create separation quickly if they field a first-choice side. For a tooling-first approach, that means modelling the market around aggregate situation, venue, and expected rotation rather than just headline club reputation. [6][13][15][16]

The main catalysts to watch are official squad releases, late injury news, and any indication that Benfica prioritise league minutes over full-strength Europa League selection. Timing matters because the market resolves on the match outcome at the listed settlement window, so automated workflows should monitor confirmed line-ups, substitution patterns, and whether Hearts need to chase the tie aggressively from kick-off. Fixture databases currently place the return leg at Tynecastle on 13 August 2026, while recent live coverage confirms the tie has already taken place in Lisbon, which makes the second-leg context especially important for any conditional-order logic. [7][14][17][20]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Heart of Midlothian FC vs. Sport Lisboa e Benfica across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi Fees, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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 Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.