July 2025

The zero curve on each of 22 trading days this month.

3.75%4.00%4.25%4.50%4.75%5.00%5.25%Jul 1, 2025Jul 31, 2025Jul 1, 20252Y zero rate3.774%10Y zero rate4.323%30Y zero rate4.947%Jul 2, 20252Y zero rate3.783%10Y zero rate4.370%30Y zero rate4.987%Jul 3, 20252Y zero rate3.873%10Y zero rate4.417%30Y zero rate5.020%Jul 7, 20252Y zero rate3.887%10Y zero rate4.468%30Y zero rate5.040%Jul 8, 20252Y zero rate3.897%10Y zero rate4.485%30Y zero rate5.060%Jul 9, 20252Y zero rate3.840%10Y zero rate4.410%30Y zero rate5.030%Jul 10, 20252Y zero rate3.854%10Y zero rate4.414%30Y zero rate5.019%Jul 11, 20252Y zero rate3.881%10Y zero rate4.502%30Y zero rate5.118%Jul 14, 20252Y zero rate3.880%10Y zero rate4.506%30Y zero rate5.093%Jul 15, 20252Y zero rate3.935%10Y zero rate4.568%30Y zero rate5.124%Jul 16, 20252Y zero rate3.867%10Y zero rate4.536%30Y zero rate5.167%Jul 17, 20252Y zero rate3.901%10Y zero rate4.538%30Y zero rate5.126%Jul 18, 20252Y zero rate3.857%10Y zero rate4.506%30Y zero rate5.125%Jul 21, 20252Y zero rate3.826%10Y zero rate4.449%30Y zero rate5.098%Jul 22, 20252Y zero rate3.806%10Y zero rate4.413%30Y zero rate5.063%Jul 23, 20252Y zero rate3.865%10Y zero rate4.460%30Y zero rate5.076%Jul 24, 20252Y zero rate3.900%10Y zero rate4.480%30Y zero rate5.074%Jul 25, 20252Y zero rate3.889%10Y zero rate4.446%30Y zero rate5.040%Jul 28, 20252Y zero rate3.898%10Y zero rate4.477%30Y zero rate5.079%Jul 29, 20252Y zero rate3.852%10Y zero rate4.386%30Y zero rate5.020%Jul 30, 20252Y zero rate3.927%10Y zero rate4.426%30Y zero rate5.006%Jul 31, 20252Y zero rate3.927%10Y zero rate4.419%30Y zero rate5.002%
2Y zero rate10Y zero rate30Y zero rate
Zero rate first, last, low and high for each charted tenor across July 2025.
TenorFirstLastChangeLowHigh
2Y3.774%3.927%+15.3 bp3.774%Jul 1, 20253.935%Jul 15, 2025
10Y4.323%4.419%+9.6 bp4.323%Jul 1, 20254.568%Jul 15, 2025
30Y4.947%5.002%+5.6 bp4.947%Jul 1, 20255.167%Jul 16, 2025

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 July 2025.
Date2 year10 year30 year
Jul 1, 20253.774%4.323%4.947%
Jul 2, 20253.783%4.370%4.987%
Jul 3, 20253.873%4.417%5.020%
Jul 7, 20253.887%4.468%5.040%
Jul 8, 20253.897%4.485%5.060%
Jul 9, 20253.840%4.410%5.030%
Jul 10, 20253.854%4.414%5.019%
Jul 11, 20253.881%4.502%5.118%
Jul 14, 20253.880%4.506%5.093%
Jul 15, 20253.935%4.568%5.124%
Jul 16, 20253.867%4.536%5.167%
Jul 17, 20253.901%4.538%5.126%
Jul 18, 20253.857%4.506%5.125%
Jul 21, 20253.826%4.449%5.098%
Jul 22, 20253.806%4.413%5.063%
Jul 23, 20253.865%4.460%5.076%
Jul 24, 20253.900%4.480%5.074%
Jul 25, 20253.889%4.446%5.040%
Jul 28, 20253.898%4.477%5.079%
Jul 29, 20253.852%4.386%5.020%
Jul 30, 20253.927%4.426%5.006%
Jul 31, 20253.927%4.419%5.002%

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.