A floating-rate note resets quarterly against the 13-week bill, so it has no yield to maturity: the cashflow schedule a yield would describe does not exist. What it has instead is a spread, the margin a buyer earns over that reference rate, and a sensitivity to that spread rather than to the level of rates.
Discount margin
2.2 bp
Spread at auction
8.4 bp
Index rate
0.506%
Spread duration
0.003 yr
Spread DV01
0.0000
Clean price
100.000
Accrued
0.146
Dirty price
100.146
Rate duration
0.0000 yr
Rate duration is almost zero, and that is the instrument rather than a missing number: because the coupon resets, the price barely moves when the level of rates moves. Spread duration is the one that matters here. It says how much the price moves if the market demands a wider margin.
Its current margin is -0.14 standard deviations from its own typical margin.
Discount margin, 499 observations
Price history
500 trading days to Jan 30, 2017
The most recent 20 trading days of prices for 912828H60.
Date
Bid
Offer
Close
Jan 30, 2017
–
100.000
100.000
Jan 27, 2017
–
100.000
100.000
Jan 26, 2017
–
100.001
100.001
Jan 25, 2017
–
100.001
100.001
Jan 24, 2017
–
100.001
100.001
Jan 23, 2017
–
100.001
100.001
Jan 20, 2017
–
100.002
100.002
Jan 19, 2017
–
100.002
100.002
Jan 18, 2017
–
100.002
100.002
Jan 17, 2017
–
100.003
100.003
Jan 13, 2017
–
100.004
100.003
Jan 12, 2017
–
100.004
100.003
Jan 11, 2017
–
100.006
100.005
Jan 10, 2017
–
100.007
100.007
Jan 9, 2017
–
100.007
100.007
Jan 6, 2017
–
100.007
100.007
Jan 5, 2017
–
100.008
100.008
Jan 4, 2017
–
100.009
100.008
Jan 3, 2017
–
100.009
100.009
Dec 30, 2016
–
100.009
100.009
Prices are per 100 of face, from Treasury's own end-of-day file. A dash in the bid or offer column means none was posted that day.
3 auctions
A CUSIP can be auctioned more than once: Treasury reopens an existing security rather than issuing a new one, so the same bond is sold again at whatever yield the market then wants.
Index levels before September 30, 2026 are back-tested. They were computed after the fact by applying the rules to historical data, which benefits from hindsight in the choice of rules, and an index cannot be invested in directly. Methodology v1.0 takes effect at that rebalance, when levels begin to be struck on the day; the rulebook is identical either way, and the version is published on every row.
A fitted curve is a fit, not a quote. Daily error averages 3.8 basis points across the history and reaches about 20 on the worst days, in December 2008, when the market was genuinely hard to fit one smooth curve to. Every curve page publishes its own fit error rather than burying it.
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