Since July, the ECB increased its key interest rates by 200 basis points in total (once by 50bps and twice by 75 bps). These are the largest single rate hikes of the ECB key interest rates. In this post, we examine to what extent these changes of policy rates passed through to the money market, the first step of monetary policy transmission. Transmission has been nearly complete in the unsecured market (e.g. on €STR) but subdued in the secured market (i.e. on repo transactions).