Is my ISA account eligible to earn interest?

Several factors influence the interest rate and earnings on your cash balance at Interactive Brokers (IBKR):

1. Net Asset Value (NAV):
   • Accounts with a NAV of $100,000 or more receive the full eligible interest rate…

You will earn interest at IBKR's published rates based on your total settled cash balances, regardless of where your cash is held.  

Interest on Insured Bank Deposit Sweep Program balances will accrue daily from the day funds are deposited into a program bank through the business day preceding the date of withdrawal from that bank. Interest will be credited monthly. The specific program bank assigned to your account does not impact the interest rate you receive…

Interactive Brokers may deposit cash to cover margin requirements for positions held in Hong Kong Futures Exchange (HKFE) or Hong Kong Stock Exchange (SEHK) contracts. The interest earned on that cash may be less than what is earned on other investments. To account for this difference, Interactive Brokers computes a Margin Financing Charge. This is a monthly charge in HKD that accrues on overnight HKFE and SEHK margin balances. To the extent that an account holds sufficient HKD cash to cover the margin balance, the charge is computed using a rate equal to the difference between the HKD credit interest rate and the rate that Interactive Brokers earns on margin deposits. The remaining margin balance, if any, is charged at a rate equal to the difference between the standard HKD benchmark rate and the rate that Interactive Brokers earns on margin deposits…

The Net Asset Value (NAV) of your IBKR account directly affects the interest rate you receive on cash balances. Here is how it works:

1. Full Interest Rate Threshold:
   • Accounts with a NAV of USD 100,000 (or equivalent in other currencies) or more receive interest at the full eligible rate…