Sarah Whitfield

About the author

Sarah Whitfield is Markets Editor at PolyGram with a focus on political prediction markets. She has tracked election forecasting since the 2020 US presidential cycle and specialises in benchmarking Polymarket-implied probability against polling aggregators and election-model outputs.

Sarah's beat covers US presidential and congressional contracts, UK parliamentary markets, and major EU election cycles. She analyses how market prices move on debate performance, endorsements, and breaking campaign developments — and where prediction markets lead or lag traditional polling.

Before PolyGram, Sarah covered Westminster politics for a UK national daily. She holds an MA in International Relations.

Areas of expertise

Recent articles by Sarah Whitfield