Marc Jakob
Senior Editor — Prediction Markets
Marc has covered prediction markets and crypto order flow since 2018. Writes for PolyGram on market structure, on-chain settlement, and regulatory developments.
View profile →About PolyGram — Editorial Team and Coverage
We benchmark Polymarket against the major competitors — Kalshi, Betfair Exchange, Smarkets, Manifold — on odds, fees, settlement and reach.
What we cover
Polymarket vs KalshiPolymarket vs Betfair ExchangeSmarkets comparisonManifold (play-money)Cross-platform arbitrageFee analysis
Editorial team
Sarah Whitfield
Markets Editor — Political Forecasting
Sarah has tracked political prediction markets and election forecasting since the 2020 US cycle. Focus: US presidential, congressional, and UK parliamentary contracts.
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James Carlton
Crypto Analyst — On-Chain Flows
James covers DeFi research and writes for PolyGram on USDC flows, the Polymarket Polygon order book, and conditional-token mechanics.
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Priya Anand
Sports Editor — Odds & Form
Priya benchmarks sports prediction-market lines against traditional sportsbooks. Specialism: Premier League, NBA, and the major European cup competitions.
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