Bid-to-Cover Ratio
A ratio that compares the number of bids received in a Treasury security auction to the number of bids accepted.
Investopedia Commentary
A ratio above 2.0 indicates a successful auction comprised of aggressive bids. A low ratio is an indication of a disappointing auction, marked by a wide bid-ask spread.
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See also: Auction Market, Bid, Bid-Ask Spread, U.S. Treasury
bid-to-cover ratio