Oracle providers used

Polymarket's assessment for RD-F-048 — scored yellow on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Two oracle providers: (1) UMA Optimistic Oracle v2 at 0xCB1822859cEF82Cd2Eb4E6276C7916e692995130 (Polygon) — truth-attestation oracle for binary market outcome resolution via UMA CTF Adapter 0x6A9D222616C90FcA5754cd1333cFD9b7fb6a4F74. (2) Chainlink Data Streams (September 2025) — price-feed oracle for price-based short-duration markets (BTC, ETH). 9 Chainlink feeds in data cache are ecosystem feeds not directly called by Polymarket contracts. No price oracle for pUSD collateral (1:1 USDC fixed).

Sources #

Etherscan
Polymarket: UmaCtf Adapter 2 — Verified SourcePolygonscan UMA CTF Adapter v2 source coderetrieved 2026-04-29
Docs
Resolution — Polymarket DocumentationPolymarket resolution documentationretrieved 2026-04-29
URL
Polymarket Partners with Chainlink to Enhance Accuracy of Prediction Market ResolutionsChainlink partnership announcement September 2025retrieved 2026-04-29

Methodology #

List all oracle providers used (Chainlink, Pyth, Redstone, Uniswap-TWAP, in-house, etc.) per asset/market pair in the protocol.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol polymarket factor RD-F-048 score yellow collected_at 2026-04-29 16:25:39