May 2016

The zero curve on each of 21 trading days this month.

0.50%1.00%1.50%2.00%2.50%3.00%May 2, 2016May 31, 2016May 2, 20162Y zero rate0.797%10Y zero rate1.944%30Y zero rate2.962%May 3, 20162Y zero rate0.763%10Y zero rate1.864%30Y zero rate2.885%May 4, 20162Y zero rate0.743%10Y zero rate1.852%30Y zero rate2.892%May 5, 20162Y zero rate0.720%10Y zero rate1.812%30Y zero rate2.849%May 6, 20162Y zero rate0.742%10Y zero rate1.843%30Y zero rate2.875%May 9, 20162Y zero rate0.719%10Y zero rate1.820%30Y zero rate2.870%May 10, 20162Y zero rate0.730%10Y zero rate1.819%30Y zero rate2.863%May 11, 20162Y zero rate0.733%10Y zero rate1.799%30Y zero rate2.832%May 12, 20162Y zero rate0.767%10Y zero rate1.818%30Y zero rate2.828%May 13, 20162Y zero rate0.760%10Y zero rate1.774%30Y zero rate2.785%May 16, 20162Y zero rate0.789%10Y zero rate1.821%30Y zero rate2.826%May 17, 20162Y zero rate0.823%10Y zero rate1.823%30Y zero rate2.813%May 18, 20162Y zero rate0.904%10Y zero rate1.937%30Y zero rate2.890%May 19, 20162Y zero rate0.892%10Y zero rate1.917%30Y zero rate2.863%May 20, 20162Y zero rate0.895%10Y zero rate1.910%30Y zero rate2.853%May 23, 20162Y zero rate0.901%10Y zero rate1.902%30Y zero rate2.855%May 24, 20162Y zero rate0.921%10Y zero rate1.931%30Y zero rate2.871%May 25, 20162Y zero rate0.919%10Y zero rate1.939%30Y zero rate2.901%May 26, 20162Y zero rate0.888%10Y zero rate1.900%30Y zero rate2.868%May 27, 20162Y zero rate0.918%10Y zero rate1.921%30Y zero rate2.887%May 31, 20162Y zero rate0.888%10Y zero rate1.913%30Y zero rate2.890%
2Y zero rate10Y zero rate30Y zero rate
Zero rate first, last, low and high for each charted tenor across May 2016.
TenorFirstLastChangeLowHigh
2Y0.797%0.888%+9.2 bp0.719%May 9, 20160.921%May 24, 2016
10Y1.944%1.913%-3.1 bp1.774%May 13, 20161.944%May 2, 2016
30Y2.962%2.890%-7.2 bp2.785%May 13, 20162.962%May 2, 2016

Rates are percent; the change column is basis points. A rise in yield is a fall in price, so the colours here describe the rate rather than a bondholder's return.

Every trading day

Zero rate at 2, 10 and 30 years for every fitted trading day in May 2016.
Date2 year10 year30 year
May 2, 20160.797%1.944%2.962%
May 3, 20160.763%1.864%2.885%
May 4, 20160.743%1.852%2.892%
May 5, 20160.720%1.812%2.849%
May 6, 20160.742%1.843%2.875%
May 9, 20160.719%1.820%2.870%
May 10, 20160.730%1.819%2.863%
May 11, 20160.733%1.799%2.832%
May 12, 20160.767%1.818%2.828%
May 13, 20160.760%1.774%2.785%
May 16, 20160.789%1.821%2.826%
May 17, 20160.823%1.823%2.813%
May 18, 20160.904%1.937%2.890%
May 19, 20160.892%1.917%2.863%
May 20, 20160.895%1.910%2.853%
May 23, 20160.901%1.902%2.855%
May 24, 20160.921%1.931%2.871%
May 25, 20160.919%1.939%2.901%
May 26, 20160.888%1.900%2.868%
May 27, 20160.918%1.921%2.887%
May 31, 20160.888%1.913%2.890%

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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Curves are fitted from public Treasury data and carry fit error; figures are not a record of trading, and an index cannot be invested in directly. No claim of compliance with the IOSCO Principles for Financial Benchmarks is made or implied. Not investment advice, not an offer, and not a recommendation to buy or sell any security.