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You change the Coupon Rate from 5% to 6%, Effective Date on 20140406, then accrue to 20140406.

Results

Eagle Accounting now calculates the period interest with 6% coupon instead of 5%, and the results of the change occur on 20140406.

In the previous example, the security accrual number for the period to date should be:

28,666.67 (1,000,000.00 * 6% / 360 * 172)

The security's traded interest was originally calculated using an incorrect rate of 5% or, 23,055.56. Eagle Accounting does not auto correct a trade with incorrect traded interest, but brings the security to the expected period to date earnings numbers when the system invokes the earnings process.

The prior period accrual to date as of 20140405 is 694.44.

Eagle Accounting calculates the accrual delta for 20140406 as follows:

28,666.67 (Expected Value)

• 23,055.56 (Interest Purchased)
  - 694.44 (Current Accrual to Date)
  to generate an accrual delta of 4,916.67