Home / Catalog / FRED (St. Louis Fed)

Overview

10-Year Treasury Constant Maturity Minus 2-Year Treasury Constant Maturity

Starting with the update on June 21, 2019, the Treasury bond data used in calculating interest rate spreads is obtained directly from the U.S. Treasury Department (https://www.treasury.gov/resource-center/data-chart-center/interest-rates/Pages/TextView.aspx?data=yield). Series is calculated as the spread between 10-Year Treasury Constant Maturity (BC_10YEAR) and 2-Year Treasury Constant Maturity (BC_2YEAR). Both underlying series are published at the U.S. Treasury Department (https://www.treasu…

Source: FRED (St. Louis Fed)
Category: economy
Tags: treasuryspreadfred
Rows: 13,124
Date range: 1976-06-01 – 2026-09-18 (date)
Last refresh: 2026-09-21T00:20:34+00:00 (cadence: weekly)
Quality score: 99.4 / 100

commercial use OK freshness: fresh

Data preview

Showing rows 1–100 of 13,124 · page 1 of 132

date	value
1976-06-01	0.68
1976-06-02	0.71
1976-06-03	0.7
1976-06-04	0.77
1976-06-07	0.79
1976-06-08	0.79
1976-06-09	0.82
1976-06-10	0.86
1976-06-11	0.83
1976-06-14	0.83
1976-06-15	0.83
1976-06-16	0.81
1976-06-17	0.79
1976-06-18	0.82
1976-06-21	0.85
1976-06-22	0.8
1976-06-23	0.8
1976-06-24	0.82
1976-06-25	0.81
1976-06-28	0.84
1976-06-29	0.84
1976-06-30	0.84
1976-07-01	0.86
1976-07-02	0.85
1976-07-05	—
1976-07-06	0.86
1976-07-07	0.85
1976-07-08	0.9
1976-07-09	1.01
1976-07-12	1.04
1976-07-13	1.03
1976-07-14	1.03
1976-07-15	1.05
1976-07-16	0.98
1976-07-19	0.97
1976-07-20	0.96
1976-07-21	0.96
1976-07-22	0.95
1976-07-23	0.94
1976-07-26	1.01
1976-07-27	1.09
1976-07-28	1.06
1976-07-29	1.1
1976-07-30	1.12
1976-08-02	1.1
1976-08-03	1.1
1976-08-04	1.08
1976-08-05	1.08
1976-08-06	1.13
1976-08-09	1.16
1976-08-10	1.16
1976-08-11	1.16
1976-08-12	1.17
1976-08-13	1.18
1976-08-16	1.17
1976-08-17	1.18
1976-08-18	1.17
1976-08-19	1.15
1976-08-20	1.08
1976-08-23	1.11
1976-08-24	1.12
1976-08-25	1.16
1976-08-26	1.14
1976-08-27	1.12
1976-08-30	1.14
1976-08-31	1.16
1976-09-01	1.14
1976-09-02	1.13
1976-09-03	1.13
1976-09-06	—
1976-09-07	1.18
1976-09-08	1.2
1976-09-09	1.17
1976-09-10	1.18
1976-09-13	1.17
1976-09-14	1.15
1976-09-15	1.17
1976-09-16	1.19
1976-09-17	1.23
1976-09-20	1.18
1976-09-21	1.21
1976-09-22	1.17
1976-09-23	1.19
1976-09-24	1.14
1976-09-27	1.19
1976-09-28	1.2
1976-09-29	1.2
1976-09-30	1.22
1976-10-01	1.25
1976-10-04	1.27
1976-10-05	1.28
1976-10-06	1.33
1976-10-07	1.34
1976-10-08	1.51
1976-10-11	—
1976-10-12	1.55
1976-10-13	1.53
1976-10-14	1.53
1976-10-15	1.56
1976-10-18	1.54

Download latest snapshot: CSV JSON Parquet

Fields

Name	Type	Description	Unit / format	Nullable	Example values
`date`	date	Not documented by source	Not documented by source	No	1976-06-01, 1976-06-02, 1976-06-03
`value`	double	Not documented by source	Not documented by source	Yes	0.68, 0.71, 0.7

“Not documented by source” means the provider publishes no per-field documentation — descriptions are never invented.

Snapshots

Snapshot	Timestamp	Rows	Size	Quality	Download
`20260921T002034Z-2bfaf3659472`	2026-09-21T00:20:34+00:00	13,124	91.8 KB	99.4	CSV JSON Parquet

Snapshots are immutable — the content hash is recorded for every version.

Source & license

Provider: FRED (St. Louis Fed)
Federal Reserve Economic Data (FRED) is maintained by the Federal Reserve Bank of St. Louis and publishes hundreds of thousands of U.S. and international economic time series from public and private sources.
Provider site: https://fred.stlouisfed.org
Source data URL: https://fred.stlouisfed.org/series/T10Y2Y
License: OK for commercial use. Attribution is required when you use this data.
Commercial use: Yes
Attribution required: Federal Reserve Bank of St. Louis (FRED)
Terms: https://fred.stlouisfed.org/legal
Refresh cadence: weekly
Provenance: Ingested by the FRED (St. Louis Fed) connector (v1.0.0) from https://fred.stlouisfed.org/series/T10Y2Y; latest snapshot 20260921T002034Z-2bfaf3659472 (sha256 2bfaf3659472…)