⚠ GOVERNMENT DATA NOTE: CPI and M2 are official Federal Reserve / BLS figures. These carry reduced weighting (25% combined) due to well-documented methodological changes since 1990 — including substitution adjustments, hedonic quality corrections, and changes to M2 definition. Market-priced assets (gold, silver, bitcoin, DXY, real estate) comprise 75% of the CDI.
Alpha Vantage · Market Price
Gold XAU/USD
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Alpha Vantage · Market Price
Silver XAG/USD
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CoinGecko · Market Price
Bitcoin BTC/USD
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Frankfurter FX · Computed
DXY Dollar Index
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FRED CSUSHPINSA · Monthly
Case-Shiller HPI
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FRED CPIAUCSL · Monthly ⚠
CPI Inflation YoY
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FRED M2SL · Weekly ⚠
M2 Money Supply
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CDI Engine · Composite
Purchasing Power Lost vs 2000
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Gold + Silver + BTC basket estimate
Gold — XAU/USD
USD per Troy Oz · Alpha Vantage · Daily · CDI Weight 20%
Market · 20%
NO DATA
Silver — XAG/USD
USD per Troy Oz · Alpha Vantage · Daily · CDI Weight 15%
Market · 15%
NO DATA
Bitcoin — BTC/USD
USD · CoinGecko · Daily · CDI Weight 15%
Market · 15%
NO DATA
DXY Dollar Index
USD vs EUR/JPY/GBP/CAD/SEK/CHF basket · Frankfurter FX · Daily · CDI Weight 15%
Market · 15%
NO DATA
Case-Shiller Home Price Index
US National · FRED CSUSHPINSA · Monthly · CDI Weight 10%
Market · 10%
NO DATA
CPI Inflation YoY %
BLS / FRED · Monthly · Reduced CDI Weight 13% · Official data only
Gov · 13%
NO DATA
M2 Money Supply
Trillions USD · FRED M2SL · Weekly · Reduced CDI Weight 12% · Official data — methodology shifts 2021–22
Gov · 12%
NO DATA
Composite Debasement Index — Full History (2000 → Live)
Gold, silver, bitcoin, real estate, and currency markets are priced by millions of voluntary transactions globally. They cannot be adjusted by committee.
Official CPI has undergone three major methodology changes since 1983 — including hedonics, geometric substitution, and owners' equivalent rent — that critics argue systematically suppress the reported rate.
M2 was temporarily discontinued in 2021. Its current definition differs from prior decades.
The CDI gives these signals 75% weight while retaining government data as a reference signal at 25%.