The below table details TBA assets, liabilities, and the respective related payables and receivables as of December 31, 2018: | | | | | | (In thousands) | | As of December 31, 2018 | Assets: | | | TBA securities, at fair value (Current principal: $460,037) | | $ | 474,860 |
| Receivable for securities sold relating to unsettled TBA sales | | 766,574 |
| Liabilities: | | | TBA securities sold short, at fair value (Current principal: -$753,697) | | $ | (772,964 | ) | Payable for securities purchased relating to unsettled TBA purchases | | (473,386 | ) | Net short TBA securities, at fair value | | (298,104 | ) |
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