Free prediction markets with no money, compared
Six platforms let you forecast real events with nothing at stake: Metaculus, Manifold, Good Judgment Open, Fatebook, Almanis and insiderz. All six give you a dated, scored record. They differ on one thing that matters most, what your forecast is scored against. Only one of them scores you against the live market price. The table below has the columns, checked on 4 September 2026.
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