{
  "_source": "U.S. Department of the Treasury — Daily Treasury Bill Rates",
  "_source_url": "https://home.treasury.gov/resource-center/data-chart-center/interest-rates/TextView?type=daily_treasury_bill_rates&field_tdr_date_value=2026",
  "_asof": "2026-07-10",
  "_retrieved": "2026-07-13",
  "_notes": "bank_discount_pct is the discount-basis rate (360-day year, discount from face). coupon_equivalent_pct is the Treasury's investment-rate basis (365-day year, return on purchase price) and is the figure comparable to an APY-quoted deposit product. Refresh cadence: weekly, or faster during sharp rate moves.",
  "tenors": [
    { "weeks": 4,  "days": 28,  "bank_discount_pct": 3.63, "coupon_equivalent_pct": 3.69 },
    { "weeks": 6,  "days": 42,  "bank_discount_pct": 3.63, "coupon_equivalent_pct": 3.69 },
    { "weeks": 8,  "days": 56,  "bank_discount_pct": 3.65, "coupon_equivalent_pct": 3.72 },
    { "weeks": 13, "days": 91,  "bank_discount_pct": 3.71, "coupon_equivalent_pct": 3.80 },
    { "weeks": 17, "days": 119, "bank_discount_pct": 3.78, "coupon_equivalent_pct": 3.88 },
    { "weeks": 26, "days": 182, "bank_discount_pct": 3.83, "coupon_equivalent_pct": 3.96 },
    { "weeks": 52, "days": 364, "bank_discount_pct": 3.89, "coupon_equivalent_pct": 4.06 }
  ]
}