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The ECB's first supplementary longer-term refinancing operation (LTRO) with a six-month maturity was announced March 2008. Previously the longest tender offered was three months. It announced two 3-month and one 6-month full allotment of Long Term Refinancing Operations (LTROs). The first tender was settled 3 April, and was more than four times oversubscribed. The €25 billion auction drew bids amounting to €103.1 billion, from 177 banks. Another six-month tender was allotted on 9 July, again to the amount of €25 billion. The first 12-month LTRO in June 2009 had close to 1100 bidders.

What is an LTRO?
longer-term refinancing operation