Benchmarks · Scopes Calibration Index
The Scopes Calibration Index
The Scopes Desk
How well each prediction market's prices have actually been calibrated against outcomes, by venue, by desk and by horizon, measured under rules published in advance from a timestamped record. Published monthly by Scopes Reference Data, LLC. The Scopes Fair Value is not scored by the index.
Methodologyv0.9 consultation draft, published October 1, 2026 (v1.0 effective October 24, 2026)
First valuesNovember 5, 2026
SeriesBy venue, by desk, composite
Read the methodology · Licensing and use
The methodology is in a public consultation draft (v0.9); the specification is being finalized for v1.0, effective October 24, 2026, with first values published November 5, 2026. The index scores venue prices only; it does not score the Scopes Fair Value. Research and information only, not investment advice.