M2 is a broad US money stock measure from the H.6 release Money Stock Measures, covering dollar money held by the US public. It covers currency outside the Treasury, the Federal Reserve Banks and vaults, plus demand deposits and other liquid deposits at US depository institutions. It also covers small-denomination time deposits under USD 100,000 and retail fund balances held by households; M1 sits inside M2 as its most liquid part. It leaves out time deposits of USD 100,000 or more, institutional funds, IRA and Keogh balances, foreign currency and government deposits.