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CPI Hits 280.85, Up 2.9 Standard Deviations Above 5-Year Average
Nov 1, 2021 — Dec 1, 2021 May 18, 2026
Consumer prices reached 280.85 in December 2021, sitting 2.9 standard deviations above the 60-month average of 255.70. This represents a 9.8% jump over 12 months, with acceleration particularly sharp since mid-2021. The timing coincides with unemployment at historic lows (4.3%) and 10-year Treasury yields climbing 10.6% over 3 months to 4.47%, suggesting markets are pricing in sustained inflationary pressures. What's notable is how this inflation surge emerged alongside multiple economic indicators hitting extremes simultaneously. Is this statistical clustering coincidental or indicative of broader systemic shifts?