Do the Intraday Margin Deficits (IMD) and 90-day restriction requirements follow my account when I transfer to IBKR from another broker?

No, an open Intraday Margin Deficit (IMD) will not restrict an account from being transferred to another broker if the account is in end of day margin compliance. IBKR will not restrict the transfer…

No, excess funds in another account cannot automatically be applied to satisfy an Intraday Margin Deficit (IMD). If there is excess in another account, the customer must transfer those excess funds to the account with the IMD in order to satisfy it…

No, an account subject to the 90 calendar day restriction as a result of failing to satisfy an Intraday Margin Deficit (IMD) cannot receive credit for a pending deposit…

IBKR's margin compliance policy does not allow for transfers or other deposits if there is a margin violation/deficit in the account.  In the case of a margin violation/deficit, the account in deficit is immediately subject to liquidation. Automated liquidations are accomplished with market orders, and any/all positions in the account can be liquidated. There are cases where, due to specific market conditions, a deficit is better addressed via a manual liquidation…