Source: Board of Governors of the Federal Reserve System (US)  

Release: H.6 Money Stock Measures  

Units:  Billions of Dollars, Not Seasonally Adjusted

Frequency:  Monthly

The Board of Governors consolidated this series onto the H.6 statistical release, "Money Stock Measures", after the H.3 statistical release was discontinued. For more information on the consolidated H.6 release, see the H.6 Technical Q&As posted on August 20, 2020.

The monetary base equals currency in circulation plus reserve balances.

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Source: Federal Reserve Bank of St. Louis  

Release: Spliced Oil Price

Units:  Dollars per Barrel, Not Seasonally Adjusted

Frequency:  Monthly

This series was created by the Federal Reserve Bank of St. Louis to expand the history of the monthly West Texas Intermediate oil price series in FRED. We simply combined these two FRED series: https://fred.stlouisfed.org/series/OILPRICE and https://fred.stlouisfed.org/series/MCOILWTICO. From January 1946 through July 2013, the series used is OILPRICE. From August 2013 to present, the series used is MCOILWTICO.