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Home/Glossary/Resolution source

Prediction markets · Pro

Resolution source

By Omer Rapaport · Content updated 11 September 2026

What does Resolution source mean?

A resolution source is the specified authority, publication or data feed used to decide an event contract's outcome. It is part of the contract rules rather than an interchangeable news reference.

Example

A contract settles using a named agency's final release rather than an earlier media estimate.

Illustrative example; not a provider’s quoted offer.

Why it matters for prop traders

A correct prediction about a headline can still differ from the contract's precise criterion. Check revisions, timestamps, time zones and edge cases.

Sources and further reading

The following primary sources support the terminology. Provider rules describe their own products and may change.

  • Polymarket - Resolution rules and sources

Related terms

  • Market resolution
  • Event contract
  • Implied probability
← All 181 terms

Frequently asked questions

Can a correct headline prediction still fail the contract criterion?

A correct prediction about a headline can still differ from the contract's precise criterion. Check revisions, timestamps, time zones and edge cases.

Sources: Polymarket - Resolution rules and sources

What is a practical example of Resolution source?

Illustrative example: A contract settles using a named agency's final release rather than an earlier media estimate.

Sources: Polymarket - Resolution rules and sources

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