required to maintain a fhlb stock investment currently equal to the lesser of : a percentage of 0.2% ( 0.2 % ) of total bank assets ; or a dollar cap amount of $ 25 million .
additionally , the bank must maintain an activity based stock investment which is currently equal to 4.5% ( 4.5 % ) of the bank 2019s outstanding advances at the time of borrowing .
on a quarterly basis the fhlb atlanta evaluates excess activity based stock holdings for its members and makes a determination regarding quarterly redemption of any excess activity based stock positions .
the company had an investment in fhlb stock of $ 140.2 million and $ 164.4 million at december 31 , 2011 and 2010 , respectively .
the company must also maintain qualified collateral as a percent of its advances , which varies based on the collateral type , and is further adjusted by the outcome of the most recent annual collateral audit and by fhlb 2019s internal ranking of the bank 2019s creditworthiness .
these advances are secured by a pool of mortgage loans and mortgage-backed securities .
at december 31 , 2011 and 2010 , the company pledged loans with a lendable value of $ 5.0 billion and $ 5.6 billion , respectively , of the one- to four-family and home equity loans as collateral in support of both its advances and unused borrowing lines .
during the year ended december 31 , 2009 , the company paid down in advance of maturity $ 1.6 billion of its fhlb advances .
the company recorded a loss on the early extinguishment of fhlb advances of $ 50.6 million for the year ended december 31 , 2009 .
this loss is recorded in the gains ( losses ) on early extinguishment of debt line item in the consolidated statement of income ( loss ) .
the company did not have any similar transactions for the years ended december 31 , 2011 and 2010 .
other borrowings 2014etbh raised capital in the past through the formation of trusts , which sell trust preferred securities in the capital markets .
the capital securities must be redeemed in whole at the due date , which is generally 30 years after issuance .
each trust issued floating rate cumulative preferred securities ( 201ctrust preferred securities 201d ) , at par with a liquidation amount of $ 1000 per capital security .
the trusts used the proceeds from the sale of issuances to purchase floating rate junior subordinated debentures ( 201csubordinated debentures 201d ) issued by etbh , which guarantees the trust obligations and contributed proceeds from the sale of its subordinated debentures to e*trade bank in the form of a capital contribution .
the most recent issuance of trust preferred securities occurred in 2007 .
the face values of outstanding trusts at december 31 , 2011 are shown below ( dollars in thousands ) : trusts face value maturity date annual interest rate .

Trusts
Face Value
Maturity Date
Annual Interest Rate
ETBH Capital Trust II
$5,000
2031
10.25%
ETBH Capital Trust I
20,000
2031
3.75% above 6-month LIBOR
ETBH Capital Trust V, VI, VIII
51,000
2032
3.25%-3.65% above 3-month LIBOR
ETBH Capital Trust VII, IX—XII
65,000
2033
3.00%-3.30% above 3-month LIBOR
ETBH Capital Trust XIII—XVIII, XX
77,000
2034
2.45%-2.90% above 3-month LIBOR
ETBH Capital Trust XIX, XXI, XXII
60,000
2035
2.20%-2.40% above 3-month LIBOR
ETBH Capital Trust XXIII—XXIV
45,000
2036
2.10% above 3-month LIBOR
ETBH Capital Trust XXV—XXX
110,000
2037
1.90%-2.00% above 3-month LIBOR
Total
$433,000

as of december 31 , 2011 and 2010 , other borrowings also included $ 2.3 million and $ 19.3 million , respectively , of collateral pledged to the bank by its derivatives counterparties to reduce credit exposure to changes in market value .
as of december 31 , 2010 , other borrowings also included $ 0.5 million of overnight and other short-term borrowings in connection with the federal reserve bank 2019s treasury , tax and loan programs .
the company pledged $ 0.8 million of securities to secure these borrowings from the federal reserve bank as of december 31 , 2010. .

Question: Analyse this data from a financial earnings document. as of december 31 , 2010 , what was the ratio of collateral pledged to the bank by its derivatives counterparties to overnight and other short-term borrowings
Choices:
0.1
1.8
402
4.6
-4.6
Correct choice index: 3