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Valuation
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Mar. 31, 2012
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| Valuation [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Valuation | 3. Valuation The following is a description of the valuation methodologies used for the Company's financial instruments. Level 1 valuation methodologies include the observation of quoted prices (unadjusted) for identical assets or liabilities in active markets, often received from widely recognized data providers. Level 2 valuation methodologies include the observation of (i) quoted prices for similar assets or liabilities in active markets, (ii) inputs other than quoted prices that are observable for the asset or liability (for example, interest rates and yield curves) in active markets and (iii) quoted prices for identical or similar assets or liabilities in markets that are not active. Level 3 valuation methodologies include (i) the use of proprietary models that require the use of a significant amount of judgment and the application of various assumptions including, but not limited to, prepayment and default rate assumptions and (ii) the solicitation of valuations from third parties (typically, broker-dealers). Third-party valuation providers often utilize proprietary models that are highly subjective and also require the use of a significant amount of judgment and the application of various assumptions including, but not limited to, prepayment and default rate assumptions. The Manager utilizes such information to assign a good faith valuation (the estimated price that would be received to sell an asset or paid to transfer a liability in an orderly transaction at the valuation date) to such financial instruments. The Manager has been able to obtain third-party valuations on the vast majority of the Company's financial instruments and expects to continue to solicit third-party valuations on substantially all of the Company's financial instruments in the future to the extent practical.
The Manager uses its judgment based on its own models, the assessments of its portfolio managers and third-party valuations it obtains, to determine and assign fair values to the Company's Level 3 financial instruments. Because of the inherent uncertainty of valuation, estimated values may differ significantly from the values that would have been used had a ready market for the financial instruments existed and the differences could be material to the consolidated financial statements. The table below reflects the value of the Company's Level 1, Level 2 and Level 3 financial instruments at March 31, 2012:
Investments under the Agency residential mortgage-backed securities Level 3 category are investments in Agency interest only RMBS securities. There were no transfers of financial instruments between Level 1, Level 2 or Level 3 during the three month period ended March 31, 2012.
The following table identifies the significant unobservable inputs that affect the valuation of the Company's Level 3 assets and liabilities as of March 31, 2012:
Collateral prepayments, losses, recoveries and scheduled amortization are projected over the remaining life of the collateral and expressed as a percentage of the collateral's current principal balance. The Company uses a LIBOR Option Adjusted Spread ("OAS") valuation methodology to value its Agency interest only RMBS assets. In the LIBOR OAS methodology, cash flows are projected using Ellington's models over multiple interest rate scenarios, and these projected cash flows are then discounted using the LIBOR rates implied by each interest rate scenario. The LIBOR OAS of an asset is then computed as the unique constant yield spread that, when added to all LIBOR rates in each interest rate scenario generated by the model, will equate (a) the expected present value of the projected asset cash flows over all model scenarios to (b) the actual current market price of the asset. LIBOR OAS is therefore model-dependent. Generally speaking, LIBOR OAS measures the additional yield spread over LIBOR that an asset provides at its current market price after taking into account any interest rate options embedded in the asset. Material changes in any of the inputs above in isolation could result in a significant change to reported fair value measurements. Additionally, fair value measurements are impacted by the interrelationships of these inputs. For example, a higher expectation of collateral prepayments will generally result in a lower expectation of collateral losses. Conversely, higher losses will generally result in lower prepayments. Because the Company's credit default swaps on asset-backed security holdings represent credit default swap contracts whereby the Company has purchased credit protection, such default swaps on asset-backed securities generally have the directionally opposite sensitivity to prepayments, losses and recoveries as compared to the Company's long securities holdings. Prepayments do not represent a significant input for the Company's commercial mortgage-backed securities and commercial mortgage loans. Losses and recoveries do not represent a significant input for the Company's Agency RMBS interest only securities, given the guarantee of the issuing government agency or government-sponsored enterprise. The Company's reverse repurchase agreements are carried at cost, which approximates fair value. These liabilities are classified as Level 2 liabilities based on the adequacy of the collateral and their short term nature.
The table below reflects the value of the Company's Level 1, Level 2 and Level 3 financial instruments at December 31, 2011:
Investments under the U.S. Treasury and Agency residential mortgage-backed securities Level 3 category are investments in Agency interest only RMBS securities. There were no transfers of financial instruments between Level 1, Level 2 or Level 3 during the year ended December 31, 2011.
The tables below include a roll-forward of the Company's financial instruments for the three month periods ended March 31, 2012 and 2011, respectively (including the change in fair value), for financial instruments classified by the Company within Level 3 of the valuation hierarchy. Level 3—Fair Value Measurement Using Significant Unobservable Inputs: Three Month Period Ended March 31, 2012
All amounts of net realized and change in net unrealized gain (loss) in the table above are reflected in the accompanying Consolidated Statement of Operations. The table above incorporates changes in net unrealized gain (loss) for both Level 3 financial instruments held by the Company at March 31, 2012, as well as Level 3 financial instruments disposed of by the Company during the three month period ended March 31, 2012. For Level 3 financial instruments held by the Company at March 31, 2012, change in net unrealized gain (loss) of $12.7 million, $(4.5) million and $0.01 million, for the three month period ended March 31, 2012 relate to investments, financial derivative-assets and securitized debt, respectively.
Level 3—Fair Value Measurement Using Significant Unobservable Inputs: Three Month Period Ended March 31, 2011
All amounts of net realized and change in net unrealized gain (loss) in the table above are reflected in the accompanying Consolidated Statement of Operations. The table above incorporates changes in net unrealized gain (loss) for both Level 3 financial instruments held by the Company at March 31, 2011, as well as Level 3 financial instruments disposed of by the Company during the three month period ended March 31, 2011. For Level 3 financial instruments held by the Company at March 31, 2011, change in net unrealized gain (loss) of $(1.5) million and $(3.4) million for the three month period ended March 31, 2011 relate to investments and financial derivative-assets, respectively. |
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