credit / rates affecting interest expense
“March 31, 2025 Due to Change in Average Total Increase / (Decrease) Borrowing / Swap Balance Borrowing / Swap Rate Investment securities repurchase agreement and other debt interest expense $ 44 $ 172 $ (128) TBA dollar roll income - implied interest expense 8 32 (24) Interest rate swap periodic income/cost 111 (182) 293 Total change in economic interest expense $ 163 $ 22 $ 141 Our average mortgage borrowings, inclusive of TBAs, increased 27% for the three months ended March 31, 2026, consistent with the increase to our average investment portfolio.”
AGNC 10-Q