The short end over the last 180 days: 1-month, 3-month and 1-year bill yields

Answered against 22 years of US equities and 12 years of US options data and published with the query that produced it. This result is stored as of 2026-08-22, from Where to Park Idle Cash.

Rows × columns

126 × 5

Period covered

2026-02-23 to 2026-08-20

Computed

2026-08-22

Completeness

No missing values

Source

US exchange, SIP and OPRA market data

Licence

Strasmore terms · free, no signup

Formats

JSON · CSV · the SQL below

What each column holds

Computed from Strasmore's warehouse of US exchange, SIP and OPRA market data. Equity prices are delayed; options greeks and implied volatility are end-of-day. This result is stored, not recomputed on load — it is exactly the numbers that were returned on 2026-08-22, and the query below is what returned them.

SELECT date,
       round(yield_1_month, 2) AS one_month_pct,
       round(yield_3_month, 2) AS three_month_pct,
       round(yield_1_year, 2) AS one_year_pct,
       formatDateTime(date, '%b %e, %Y') AS as_of_label
FROM global_markets.treasury_yields
WHERE date >= (SELECT max(date) FROM global_markets.treasury_yields) - 180
  AND yield_1_month IS NOT NULL
ORDER BY date