PFK CSKA Sofia vs. Derry City FC - More Markets

Platform comparison

Market context

The underlying real-world event is the UEFA Europa League First qualifying round match between PFC CSKA Sofia and Derry City FC, scheduled for 9 July 2026 at 18:00 UTC at the Vasil Levski National Sports Academy in Sofia, Bulgaria[1][2]. This fixture marks the first leg of a two-game tie, with the second leg to be played in Derry, Ireland[3].

Historically, CSKA Sofia and Derry have met once before in the 2009/10 UEFA Europa League, where CSKA Sofia secured a narrow 1–0 victory at home[4]. That result, combined with CSKA’s recent head-to-head record showing three wins in their last five encounters against Irish opposition, frames the current 0% crowd-implied probability as a reflection of CSKA’s home dominance rather than Derry’s outright inability to compete[9]. Programmatically, a trader would model this by weighting home advantage heavily and treating the 0% as a conditional order trigger only if pre-match lineups show unexpected absences in CSKA’s starting defence.

Key catalysts include the official UEFA line-up announcement, expected within hours of kickoff, and any late injury updates for CSKA’s midfield core[2]. Traders should monitor Derry City’s travel schedule and pre-match press conferences for fatigue indicators, as the Irish side has drawn criticism for being “one of the better teams they could have drawn against” yet faces a tough Bulgarian away fixture[7]. A recent Reddit discussion highlights that while Derry are not expected to win, their resilience could influence over/under markets if CSKA’s attack fails to convert early pressure[7]. Conditional orders should be set to activate only if the opening line-up confirms CSKA’s full-strength midfield, as any deviation would significantly alter the probability landscape.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

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.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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.

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.