What is the Excess Funds Sweep settings and how does it work?
Your IBKR Universal Account may be eligible to trade securities, commodities/futures, and cryptocurrency products. Based on eligibility and trading permissions, a Universal Account comprises up to three underlying accounts or account segments: a securities account governed by rules of the US Securities and Exchange Commission (SEC), a futures account governed by rules of the US Commodity Futures Trading Commission (CFTC), and a Cryptocurrency account. As part of our Universal Account service, you have authorized us to automatically transfer funds as necessary between your securities account and your futures account in order to satisfy margin requirements in either account. …