The index is part of the Treasury International Capital (TIC) System's monthly publication of cross-border financial flows. Inflows/outflows into U.S. securities (stocks, corporate and government bonds) and dollar deposits in the United States are taken into account.Data on net purchases of long-term securities by foreigners, investments by foreigners in dollar short-term assets, and changes in banks' own net liabilities in dollars are used to obtain the balances.Values are published in current prices, not seasonally adjusted.The data are usually published 45-47 days after the reporting period.