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German government bond yield, 30-year maturity

German government bond yield, 30-year maturity stood at 3.9% in Sep 2026, according to Deutsche Bundesbank. It is one of the indicators in the Interest rates (monthly) table (Value · Monthly), with a complete series running from Jan 2000 to Sep 2026. The complete series with an interactive chart, free to download.

Source: Deutsche BundesbankLast updated: Curated by Bui Thanh Phuc
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This indicator in the Interest rates (monthly) table

Indicator09-202608-202607-202606-202605-202604-202603-202602-202601-202612-2025
Government yield curve: month-end estimates
Residual maturity of 30.0 years, monthly data3.93.783.633.43.493.583.463.313.453.41
Residual maturity of 1.0 years, monthly data3.042.762.662.462.452.592.51222.02

Understanding german government bond yield, 30-year maturity

Acting as the maximum standard horizon for the modeled sovereign term structure, this final metric isolates the annualized borrowing cost projected across the 30-year span. The yield is synthetically derived from the pricing of all eligible long-dated federal obligations, utilizing a parametric equation to determine a continuous zero-coupon equivalent. This completely separates the calculation from the varying coupon distributions of physical bonds. As the anchor point at the far right of the conventional curve, it encapsulates the longest-term collective market consensus on future economic stability and currency purchasing power.

The most effective way to analyze this series is through period-on-period comparison, which instantly highlights shifting long-term risk appetites. Because these are point-in-time valuations recorded on the last trading day of the month, they provide a standardized basis for evaluating ultra-long portfolio performance. Unencumbered by seasonal production or consumption cycles, the data is entirely unadjusted. One major pitfall is equating this theoretical model output directly with the yield of the most recently issued benchmark bond, as the latter carries specific liquidity premiums and coupon structures not present in the smoothed zero-coupon curve. Furthermore, structural scarcity in ultra-long sovereign debt can cause unique localized distortions in the model's farthest reaches.

Frequently asked questions

Why does the modeled curve typically stop at this exact maturity?
Beyond this threshold, the scarcity of consistently traded sovereign securities makes mathematical interpolation and extrapolation increasingly unreliable.
Is it safe to compare this theoretical yield directly to corporate bond rates?
Any comparison must account for the lack of credit risk here, alongside the liquidity differences between modeled government rates and actual corporate debt.
Does the zero-coupon nature mean no interest is paid?
It is a mathematical construct assuming all return is delivered at maturity, differing from physical long bonds which pay regular periodic coupons.

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