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The Standard Portfolio Analysis of Risk (SPAN) is a methodology developed by the CME and used by many clearinghouses and exchanges around the world to calculate the Performance Bond (i.e., margin requirement) on futures and options on futures which the clearinghouse collects from the carrying FCM and the FCM, in turn, from the client…

As of January 1, 2026, Bulgaria adopted the EUR as the country's currency and the Bulgarian Lev (BGN) is no longer in circulation.

IBKR no longer accepts BGN deposits. Please use EUR or other supported currencies for deposits…

As of January 1, 2023, IBKR is required to withhold 10% of the gross proceeds from the sale of MLPs by non-US clients. A client can review the withholding tax on their Activity Statement under the Transaction Fees section.

Additional Information…

Interactive Brokers Group, Inc., through its consolidated subsidiaries, employed 3,230+ individuals as of January 2026…