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- Trade Date (35): effective date of the sink payment
- Settlement Date (37): payment date of the sink payment
- Units (40): absolute value of the change in par
- For example, if a sink payment were bringing a position from 1,000,000 to 980,000, the close should be booked with Units = 20,000
- Price (45): same as the open price
- Closing at the open price (cost) ensures no price-based gain/loss is realized on the sink payment (you will still see realized gain/loss based on movement in the ILB index ratio)
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