At the time of the episode (11 Dec 2021), the latest published CPI data showed U.S. all‑items CPI‑U up 6.8% year‑over‑year in November 2021.(bls.gov) Sacks said this "looks like it's headed to 7%" on a year‑over‑year basis.

The next CPI release showed that for December 2021, the 12‑month percent change in the all‑items CPI‑U was 7.0%, i.e., exactly 7% year‑over‑year inflation.(bls.gov) This data was released on 12 Jan 2022, just one month after the podcast.

Since headline U.S. CPI YoY did in fact reach approximately 7% very soon after the prediction, the forecast was borne out by subsequent data.