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Retina uses 2 providers for yield data, in order of preference.

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Pendle

Pendle is the source for everything related to PT, YT, and Pendle pools:
  • PT redemption date (used as the maturity in the Maturity Ladder)
  • Pool APY
  • Pool stats

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DeFiLlama

DeFiLlama is the fallback for pools that do not report APY directly to Retina via the protocol’s own API or Zerion. When a position has no protocol-reported APY, Retina queries DeFiLlama for the pool and uses that number. See Position model for the full APY resolution order.