Within 14 days of Coinbase Pro enabling full trading on DAI, the APR of supplying DAI on Compound Finance will be halved. It is currently at 4.80%. – Twitter
• As of 2019 December 12 Coinbase Pro has still not enabled full trading. DAI is still in “Limit Only” mode. The Compound Finance historical interest rate API will be used to verify the interest rate level after full trading has been enabled on Coinbase Pro.