The Treasury curve in 2018

The zero curve on each of 249 trading days, at the two, ten and thirty year points.

1.50%2.00%2.50%3.00%3.50%4.00%Jan 2, 2018Dec 31, 2018Jan 2, 20182Y zero rate1.933%10Y zero rate2.527%30Y zero rate2.807%Jan 10, 20182Y zero rate1.982%10Y zero rate2.592%30Y zero rate2.909%Jan 19, 20182Y zero rate2.078%10Y zero rate2.691%30Y zero rate2.906%Jan 29, 20182Y zero rate2.133%10Y zero rate2.736%30Y zero rate2.934%Feb 6, 20182Y zero rate2.142%10Y zero rate2.831%30Y zero rate3.062%Feb 14, 20182Y zero rate2.244%10Y zero rate2.963%30Y zero rate3.195%Feb 23, 20182Y zero rate2.264%10Y zero rate2.929%30Y zero rate3.173%Mar 5, 20182Y zero rate2.258%10Y zero rate2.909%30Y zero rate3.230%Mar 13, 20182Y zero rate2.266%10Y zero rate2.854%30Y zero rate3.172%Mar 21, 20182Y zero rate2.321%10Y zero rate2.903%30Y zero rate3.198%Mar 29, 20182Y zero rate2.288%10Y zero rate2.775%30Y zero rate2.964%Apr 9, 20182Y zero rate2.311%10Y zero rate2.812%30Y zero rate3.005%Apr 17, 20182Y zero rate2.414%10Y zero rate2.815%30Y zero rate3.009%Apr 25, 20182Y zero rate2.495%10Y zero rate3.046%30Y zero rate3.206%May 3, 20182Y zero rate2.496%10Y zero rate2.960%30Y zero rate3.102%May 11, 20182Y zero rate2.555%10Y zero rate2.981%30Y zero rate3.091%May 21, 20182Y zero rate2.586%10Y zero rate3.071%30Y zero rate3.198%May 30, 20182Y zero rate2.423%10Y zero rate2.861%30Y zero rate3.006%Jun 7, 20182Y zero rate2.509%10Y zero rate2.945%30Y zero rate3.067%Jun 15, 20182Y zero rate2.566%10Y zero rate2.935%30Y zero rate3.032%Jun 25, 20182Y zero rate2.543%10Y zero rate2.875%30Y zero rate3.021%Jul 3, 20182Y zero rate2.540%10Y zero rate2.840%30Y zero rate2.952%Jul 12, 20182Y zero rate2.588%10Y zero rate2.842%30Y zero rate2.951%Jul 20, 20182Y zero rate2.597%10Y zero rate2.893%30Y zero rate3.033%Jul 30, 20182Y zero rate2.661%10Y zero rate2.979%30Y zero rate3.117%Aug 7, 20182Y zero rate2.663%10Y zero rate2.962%30Y zero rate3.146%Aug 15, 20182Y zero rate2.611%10Y zero rate2.858%30Y zero rate3.039%Aug 23, 20182Y zero rate2.598%10Y zero rate2.810%30Y zero rate2.979%Aug 31, 20182Y zero rate2.623%10Y zero rate2.856%30Y zero rate3.034%Sep 11, 20182Y zero rate2.741%10Y zero rate2.968%30Y zero rate3.137%Sep 19, 20182Y zero rate2.805%10Y zero rate3.068%30Y zero rate3.241%Sep 27, 20182Y zero rate2.817%10Y zero rate3.048%30Y zero rate3.197%Oct 5, 20182Y zero rate2.887%10Y zero rate3.230%30Y zero rate3.421%Oct 16, 20182Y zero rate2.863%10Y zero rate3.148%30Y zero rate3.344%Oct 24, 20182Y zero rate2.816%10Y zero rate3.096%30Y zero rate3.367%Nov 1, 20182Y zero rate2.844%10Y zero rate3.138%30Y zero rate3.424%Nov 9, 20182Y zero rate2.927%10Y zero rate3.185%30Y zero rate3.431%Nov 20, 20182Y zero rate2.799%10Y zero rate3.060%30Y zero rate3.356%Nov 29, 20182Y zero rate2.807%10Y zero rate3.035%30Y zero rate3.381%Dec 10, 20182Y zero rate2.731%10Y zero rate2.841%30Y zero rate3.176%Dec 18, 20182Y zero rate2.652%10Y zero rate2.833%30Y zero rate3.094%Dec 27, 20182Y zero rate2.570%10Y zero rate2.787%30Y zero rate3.077%Dec 31, 20182Y zero rate2.504%10Y zero rate2.716%30Y zero rate3.052%
2Y zero rate10Y zero rate30Y zero rate
Zero rate first, last, low and high for each charted tenor across 2018.
TenorFirstLastChangeLowHigh
2Y1.933%2.504%+57.2 bp1.933%Jan 2, 20182.964%Nov 8, 2018
10Y2.527%2.716%+18.9 bp2.484%Jan 4, 20183.230%Nov 8, 2018
30Y2.807%3.052%+24.4 bp2.785%Jan 3, 20183.502%Nov 2, 2018

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.

Month by month

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.