The Bureau of Labor Statistics is releasing inflation data for December 2022. This is will have a strong bearing on the actions the Federal Reserve decides to take at its next meeting. If inflation is worse than anticipated or stubbornly high, the FED will be forced to keep aggressively raising rates. More information on inflation, Central Banks and how they affect markets can be found here.
The CPI data will be released here: https://www.bls.gov/cpi/