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DERIVATIVE INSTRUMENTS (Tables)
3 Months Ended
Mar. 31, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Summarizes Fair Value Information about Derivative Assets Liabilities
The following table summarizes fair value information about the Company’s derivative assets and liabilities at March 31, 2024 and December 31, 2023:
Derivatives InstrumentsMarch 31, 2024December 31, 2023
Assets(dollars in thousands)
Interest rate swaps$46,796 $26,344 
Interest rate swaptions136,514 105,883 
TBA derivatives7,220 20,689 
Futures contracts (1)
8,636 — 
Purchase commitments4,633 9,641 
Total derivative assets$203,799 $162,557 
Liabilities 
Interest rate swaps$20,931 $83,051 
TBA derivatives10,703 39,070 
Futures contracts (2)
69,565 179,835 
Purchase commitments1,943 339 
Total derivative liabilities$103,142 $302,295 
(1) As of March 31, 2024, includes $1.3 million of SOFR futures options.
(2) As of March 31, 2024, includes $26.8 million of SOFR futures options.
Summary of Certain Characteristics of Derivatives
The following tables summarize certain characteristics of the Company’s interest rate swaps at March 31, 2024 and December 31, 2023:
March 31, 2024
Maturity
Current Notional (1)(2)
Weighted Average Pay RateWeighted Average Receive Rate
Weighted Average Years to Maturity (3)
(dollars in thousands)
0 - 3 years
$18,093,229 3.53 %5.21 %1.46
3 - 6 years
14,383,021 3.34 %5.31 %5.05
6 - 10 years
20,733,537 2.81 %5.29 %8.27
Greater than 10 years
1,887,484 3.41 %5.21 %23.38
Total / Weighted average$55,097,271 3.20 %5.26 %5.72
December 31, 2023
Maturity
Current Notional (1)(2)
Weighted Average
Pay Rate
Weighted Average Receive Rate
Weighted Average Years to Maturity (3)
(dollars in thousands)
0 - 3 years
$21,397,358 3.17 %5.26 %1.23
3 - 6 years
12,461,799 3.09 %5.37 %4.75
6 - 10 years
22,949,150 2.85 %5.34 %8.02
Greater than 10 years
2,021,247 3.53 %5.27 %22.71
Total / Weighted average$58,829,554 3.04 %5.31 %5.36
(1) As of March 31, 2024, 7% and 93% of the Company’s interest rate swaps were linked to the Federal funds rate and the SOFR, respectively. As of December 31, 2023, 6% and 94% of the Company’s interest rate swaps were linked to the Federal funds rate and the SOFR, respectively.
(2) As of March 31, 2024, notional amount includes $1.2 billion of forward starting pay fixed swaps. There were no forward starting swaps at December 31, 2023.
(3) The weighted average years to maturity of payer interest rate swaps is offset by the weighted average years to maturity of receiver interest rate swaps. As such, the net weighted average years to maturity for each maturity bucket may fall outside of the range listed.

The following tables summarize certain characteristics of the Company’s swaptions at March 31, 2024 and December 31, 2023:
March 31, 2024
Current Underlying NotionalWeighted Average Underlying Fixed RateWeighted Average Underlying Floating RateWeighted Average Underlying Years to MaturityWeighted Average Months to Expiration
(dollars in thousands)
Long pay$1,250,0002.21%SOFR7.445.18
Long receive$500,0001.65%SOFR10.050.50
December 31, 2023
Current Underlying NotionalWeighted Average Underlying Fixed RateWeighted Average Underlying Floating RateWeighted Average Underlying Years to MaturityWeighted Average Months to Expiration
(dollars in thousands)
Long pay$1,250,0002.21%SOFR7.698.21
Long receive$500,0001.65%SOFR10.303.53
The following tables summarize certain characteristics of the Company’s TBA derivatives at March 31, 2024 and December 31, 2023:
March 31, 2024
Purchase and sale contracts for derivative TBAsNotionalImplied Cost BasisImplied Market ValueNet Carrying Value
(dollars in thousands)
Purchase contracts$2,956,000 $3,001,301 $3,001,179 $(122)
Sale contracts(1,993,400)(1,864,513)(1,867,874)(3,361)
Net TBA derivatives$962,600 $1,136,788 $1,133,305 $(3,483)
December 31, 2023
Purchase and sale contracts for derivative TBAsNotionalImplied Cost BasisImplied Market ValueNet Carrying Value
(dollars in thousands)
Purchase contracts$988,000 $920,626 $915,790 $(4,836)
Sale contracts(1,491,000)(1,475,847)(1,489,392)(13,545)
Net TBA derivatives$(503,000)$(555,221)$(573,602)$(18,381)
The following tables summarize certain characteristics of the Company’s futures derivatives at March 31, 2024 and December 31, 2023: 
March 31, 2024
 Notional - Long
Positions
Notional - Short
Positions
Weighted Average
Years to Maturity
 (dollars in thousands)
U.S. Treasury futures - 2 year
$ $(1,981,400)1.93
U.S. Treasury futures - 5 year
1,070,000  4.40
U.S. Treasury futures - 10 year and greater
 (3,029,000)12.77
Total$1,070,000 $(5,010,400)7.77
December 31, 2023
 Notional - Long
Positions
Notional - Short
Positions
Weighted Average
Years to Maturity
 (dollars in thousands)
U.S. Treasury futures - 2 year
$— $(5,001,400)1.97
U.S. Treasury futures - 10 year and greater
— (1,733,600)14.26
Total$— $(6,735,000)5.13
Offsetting of Derivative Assets and Liabilities
The following tables present information about derivative assets and liabilities that are subject to such provisions and can be offset in the Company’s Consolidated Statements of Financial Condition at March 31, 2024 and December 31, 2023, respectively.
March 31, 2024
 Amounts Eligible for Offset 
 Gross AmountsFinancial InstrumentsCash CollateralNet Amounts
Assets(dollars in thousands)
Interest rate swaps, at fair value$46,796 $(6,692)$(32,931)$7,173 
Interest rate swaptions, at fair value136,514 (58,725)(77,140)649 
TBA derivatives, at fair value7,220 (5,943) 1,277 
Futures contracts, at fair value (1)
8,636 (8,636)  
Purchase commitments4,633   4,633 
Liabilities 
Interest rate swaps, at fair value$20,931 $(16,950)$ $3,981 
TBA derivatives, at fair value10,703 (10,628) 75 
Futures contracts, at fair value (2)
69,565 (8,636)(60,929) 
Purchase commitments1,943   1,943 
(1) As of March 31, 2024, includes $1.3 million of SOFR futures options.
(2) As of March 31, 2024, includes $26.8 million of SOFR futures options.
December 31, 2023
 Amounts Eligible for Offset 
 Gross AmountsFinancial InstrumentsCash CollateralNet Amounts
Assets(dollars in thousands)
Interest rate swaps, at fair value$26,344 $(21,505)$— $4,839 
Interest rate swaptions, at fair value105,883 (45,930)(57,320)2,633 
TBA derivatives, at fair value20,689 (13,282)— 7,407 
Purchase commitments9,641 — — 9,641 
Liabilities 
Interest rate swaps, at fair value$83,051 $(72,844)$— $10,207 
TBA derivatives, at fair value39,070 (34,525)— 4,545 
Futures contracts, at fair value179,835 — (179,835)— 
Purchase commitments339 — — 339 
Schedule of Derivative Instruments in Statement of Operations and Comprehensive Income Loss
The effect of interest rate swaps in the Consolidated Statements of Comprehensive Income (Loss) is as follows:
Location on Consolidated Statements of Comprehensive Income (Loss)
 
Net Interest Component of Interest Rate Swaps (1)
Realized Gains (Losses) on Termination of Interest Rate Swaps (1)
Unrealized Gains (Losses) on Interest Rate Swaps (1)
For the three months ended(dollars in thousands)
March 31, 2024$330,149 $(21,237)$900,902 
March 31, 2023$385,706 $(145,819)$(956,272)
(1) Included in Net gains (losses) on derivatives in the Consolidated Statements of Comprehensive Income (Loss).
The effect of other derivative contracts in the Company’s Consolidated Statements of Comprehensive Income (Loss) is as follows:
Three Months Ended March 31, 2024
Derivative InstrumentsRealized Gain (Loss)Unrealized Gain (Loss)Amount of Gain/(Loss) Recognized in Net Gains (Losses) on Derivatives
(dollars in thousands)
Net TBA derivatives$(8,615)$14,898 $6,283 
Net interest rate swaptions 30,631 30,631 
Futures (1)
(8,680)145,709 137,029 
Purchase commitments (6,613)(6,613)
Total
$167,330 
(1) For the three months ended March 31, 2024, includes $1.2 million of unrealized gain and $0.0 million of realized gain related to SOFR futures options.
Three Months Ended March 31, 2023
Derivative InstrumentsRealized Gain (Loss)Unrealized Gain (Loss)Amount of Gain/(Loss) Recognized in Net Gains (Losses) on Derivatives
(dollars in thousands)
Net TBA derivatives$(153,849)$215,360 $61,511 
Net interest rate swaptions2,323 (45,999)(43,676)
Futures118,332 (314,878)(196,546)
Purchase commitments— 865 865 
Credit derivatives(1,312)(5,209)(6,521)
Total$(184,367)