Truflation reports 2.33% inflation vs BLS 3.4%, widening Fed policy gap

Editorial illustration: Two large, unlabeled circular gauges, one teal and one brass, point in different directions behind a wire basket containing bread, milk and red apples.

In brief

  • Truflation's TruCPI-US index: 2.33% annualized, nearly 1 percentage point below BLS's 3.4% for August 2026
  • Methodology gap: BLS uses 80,000 survey points; Truflation aggregates 13–35 million daily transaction data points
  • Truflation releases 41 days ahead of BLS with 0.955 historical correlation to official figures
  • 2.33% aligns with Fed's 2% target; 3.4% suggests divergent interest rate policy paths

Methodology Drives the Gap

The two readings measure the same economy but employ fundamentally different approaches. The BLS constructs its CPI from roughly 80,000 survey data points, then applies seasonal adjustments and imputation techniques to fill gaps in the data. Truflation aggregates between 13 and 35 million data points daily from over 30 commercial providers, capturing actual transaction prices rather than surveyed estimates. Its weighting system is dynamic, shifting as real spending patterns shift, and seasonal adjustments are not applied.

This isn't academic hair-splitting. A 2.33% rate sits essentially at the Federal Reserve's 2% target, suggesting inflation is under control. A 3.4% rate is not, implying the Fed should hold rates higher for longer. The policy implications are stark.

Track Record and Credibility

Truflation was founded by Stefan Rust, whose stated mission is providing independent, verifiable inflation data outside the government measurement apparatus. The platform formally launched in December 2021 after winning a challenge issued by investor and Bitcoin advocate Balaji Srinivasan.

The platform's historical performance lends it credibility. Historically, Truflation's readings have arrived roughly 41 days ahead of comparable BLS figures, with a correlation of 0.955 between the two series over time. When Truflation has made direct forecasts for official BLS releases, its average accuracy has landed within 0.09 percentage points of the final number.

That correlation—0.955—suggests Truflation isn't measuring something fundamentally different. It's measuring the same thing earlier, which matters when Treasury yields and inflation swaps are priced off the official number.

Expansion and Institutional Adoption

The company raised $6M in early 2024 and has since expanded beyond its flagship US index to offer broader macroeconomic indicators and an API for institutional data access. Ark Invest's Cathie Wood is among the notable figures who have engaged with the Truflation platform.

Truflation also introduced the Truflation Stream Network, which delivers its inflation figures on-chain for smart contract developers and DeFi protocols. This move bridges traditional macroeconomic data with decentralized finance, allowing protocols to anchor contracts and derivatives to real-time inflation readings.

The divergence between Truflation and BLS figures will likely intensify scrutiny on both methodologies. If the gap widens or persists, policymakers, investors, and markets may need to reckon with the possibility that official inflation is overstated—or that real-time data is capturing price movements the government's lagged surveys miss.