Market Yield on U.S. Treasury Securities at 5-Year Constant Maturity, Quoted on an Investment Basis, Inflation-Indexed

FII5inflationFree tier

Series IDFII5
UnitsPercent
FrequencyMonthly
Categoryinflation
Latest observation2026-09-01
HistoryPoint-in-time: every value as first published plus each revision, so backtests see only what was known on the day

Latest reading

The latest Market Yield on U.S. Treasury Securities at 5-Year Constant Maturity, Quoted on an Investment Basis, Inflation-Indexed observation, for 2026-09-01, is 2.44 Percent, up from 2.12 for 2026-08-01. It has not been revised since it was first published. 0.0% of observations in this history were revised after first release.

Latest observation2026-09-01
Latest value2.44 Percent
Previous2.12 (2026-08-01)
Change0.32 (+15.1%)
First published value2.44
Last release2026-10-01
Vintages stored274
Observations285

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df = yf.Client().macro("FII5")
df.tail()

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