CPI Forecasts Cluster at Upper Bound, Raising Surprise Risk

The distribution of forecasts for Wednesday's US CPI print matters more than the headline range. Most estimates cluster near the upper bound of the consensus, traders said, meaning a print inside the range but on the low side could still jolt markets.

Core CPI month-over-month is the only data point that will drive the reaction. The consensus calls for 0.2%. New York Fed President John Williams said he would consider rate hikes if monthly core inflation, using the PCE measure, runs above 0.2% in the second half of the year. Fed Governor Christopher Waller made it clear he won't wait that long. Wednesday's report will be enough for him to vote for a July hike if the data beats forecasts, he said. Waller has been a reliable leading indicator since 2021.

A beat would push the implied probability of a July hike above 50%, traders said. The Fed would then be forced to follow through to avoid a dovish surprise. That would likely trigger another risk-off wave, with the US-Iran crisis already running in the background. A print in line or below expectations would pull those odds lower and could spark a short-term risk-on move, though the rally might be muted given the geopolitical backdrop.