Recently BMO InvestorLine updated its HISA offerings with a daily interest savings account fund of its own called AAT770. (It also offers AAT780 for US dollar transactions.) This is a no-load purchase. It’s also CDIC insured.As of October 3, 2017, it is paying 0.95% and the minimum holding of this investment is $1 000. As of February 20, 2014  April 12, 2013 it is paying 1.25%  1.27% per year.  UPDATE: On March 18, 2017 AAT770 is paying 0.75%. The minimum holding of this investment is $5000, considerably less than the minimum $25,000 holding for other HISAs. Of course, BMO could have just started paying interest on cash balances over $5000 as it used to do in the past and saved investors a hassle. Presumably they expect many investors to overlook this possibility and save themselves some money. Luckily, an observant investor noticed it and advised me which led to me writing the post Investing in the AAT770 Daily Interest Savings Account for InvestorLine RRSP and TFSA Accounts.

UPDATE: As of November 2013, AAT770 is only paying 1.25% per year. Grrrr.
UPDATE: As of January 2015, AAT770 is only paying 1.20% per year.
UPDATE: On March 18, 2017, AAT770 is paying 0.75%.
UPDATE: On October 3, 2017, AAT770 is paying 0.95% per year.
Here’s how to invest in AAT770:

Sign in to your BMO InvestorLine account.

1. From the drop-down menu, select within which account you wish to purchase the high interest savings account fund.
   For example, I selected my LIRA.

How to Buy Units of AAT770 the BMO High Interest Savings Account Fund

1. From the Trading tab, select Fixed Income.
   1. Under the Inventory Search section, click on the High Interest Savings link.
   2. Click on the BMO CAD High Interest Savings Account link.

   OR

   1. From the Inventory Search menu, select GICs.
   2. Click on the Search button.
   3. Click on the link: Looking for an alternative for the cash in your portfolio?
   4. Review the list (especially in case InvestorLine comes up with a better offer!).
   5. As of April 11, 2013, the best The only Canadian dollar choice is the AAT770 BMO CASD High Interest Savings Account, so click on that named link.

The Mutual Fund Order Entry screen opens.

1. Check that the Action is Buy. If not, select it from the drop-down list.
2. Confirm that the Fund Symbol is AAT770.
3. If desired, click on the Recent Closing Price button.
   This should show a value of 1.00 and state that the fund is No Load.
4. In the field Amount in Dollars, type in the amount you want to invest in Canadian dollars.
   For this test, I typed 5523.
   (I actually tested it first entering 550 as the Amount in Dollars.
   It came back with the error message:
   Your order was not processed. There is a problem with your order:
   Quantity entered does not meet minimum purchase levels.)
5. Select where the interest should be paid: to
   • your cash account, or
   • reinvested in more units of the fund,

   by clicking on the radio button beside Cash or Reinvest.

6. Type your telephone number in the Contact Phone # field.
7. Click on the Review Order button.

The Mutual Fund Order Review screen opens.

1. Read through the Mutual Fund Order Review screen to be sure you know what you are buying and the terms.
2. If everything looks ok, type your password in the field labeled:
   Please enter your password in order to submit your order.
3. Click on the Submit Order button.
4. Highlight the information about your order on the Mutual Fund Order Confirmation and paste it into a document.
5. Save it for reference until the order is successfully filled.

If you want, click on the Trading menu and select Order Status.
You should see a description of your recent transaction.

Be Aware It Will Take Time for the Transaction to be Reported Properly
Today, the first business day after I placed my order:

• my cash balance is too high.
  It states I still have the cash that I spent yesterday buying the HISA fund.
  Be careful you don’t spend the same cash twice!
• my Holdings does not include the HISA fund yet
• if I check my Order Status, however, by clicking on the Trading tab and selecting Order Status, it shows my purchase order as Filled.

I expect to check tomorrow and find that both my Holdings and my Cash balance have been updated.

Related Reading

• How to Buy a GIC within a BMO InvestorLine Account
• Investing in the AAT770 Daily High Interest Savings Account Fund, HISA, for BMO InvestorLine RRSP, TFSA and Other Accounts

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Do you occasionally need to park cash in a HISA fund in your brokerage account? Has it ever caused an unexpected problem or delay? Please share your experiences with a comment.