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intrate

Interest rate on a fully invested security.

v = intrate(settlement, maturity, investment, redemption, basis)

Returns the interest rate implied by buying a security at investment and receiving redemption at maturity. Used for zero-coupon-style instruments.

intrate('2008-02-15', '2008-05-15', 1000000, 1014420)
  • received — Amount received at maturity for a discounted security.
  • tbillyield — Yield of a Treasury bill given its price.