Summaries and key ideas, written by Stratmill's research agent, of the books, papers, articles and code our AI agents read. Each page links to its original.
5,701 documents
The document explains how to estimate the price effect of a credit-spread shock when only spread changes and bond duration or maturity are available. For a vanilla fixed-coupon bond without embedded options, it models cash flows as discounted using a…
The document surveys sources for daily open, high, low, and close observations of U.S. Treasury yields. It identifies a market data vendor’s yield bars, notes that Treasury data provides closing interpolated yields across maturities, and mentions…
The document explains a proposed interpretation of negative two-year swap spreads. The questioner connects a negative spread to an implied expectation that three-month LIBOR will run below the repo rate, which seems counterintuitive because LIBOR is…
The document explains a proposed way to represent a China seven-day repo swap whose floating leg compounds short-term rates. It treats the fixed leg like that of a standard LIBOR swap and views the floating leg as a sequence of compound-interest coupons,…
The document explains how to convert a quoted annual rate with semiannual compounding into an equivalent continuously compounded annual rate. The example treats a 10% annual quote as 5% for each six-month period. Compounding those two periods gives a…
The document addresses how to construct a benchmark yield from bonds grouped by similar risk, maturity, and duration. The investor has calculated each bond’s yield to maturity and wants a representative index from a group of bonds considered comparable to…
The document asks how to interpret bond carry for a financed position, including what yield means and how to identify the starting and ending accrued interest and bond price in a carry formula. It does not provide a formal answer or resolve those…
The document explains how Treasury yields can decline even when the Federal Reserve raises its policy rate. Bond prices and yields often move in opposite directions, which can make a rate increase seem inconsistent with a decline in yields if investors focus…
The document considers how to estimate an active bond fund’s positioning relative to its benchmark using returns on rates, credit spreads, and other sub-indices as explanatory factors. It compares subtracting factor betas estimated from separate fund and…
The document is a brief request for recommendations on how to begin building a convertible bond pricer. Its only substantive guidance is one respondent’s recommendation to start with a technical introduction to convertible securities published by Barclays.…
The document asks where to find forward swap rates, giving as an example a swap beginning in a year with a fixed leg and a floating leg tied to LIBOR. One response points to a Bloomberg market listing for a specific US dollar forward swap contract. Another…
The document explains the present value of an overnight index swap’s floating coupons, including the value of the remaining coupon strip at a fixing date. It assumes the collateral rate equals the overnight rate and writes each coupon as the product of daily…
The document derives the price dynamics of a zero-coupon bond from a stochastic model for forward rates. It defines the logarithm of the bond price as the negative integral of forward rates from the current time to maturity, then uses the given forward-rate…
The note verifies that a bond whose coupon rate equals its yield has a conversion factor of one in the stated setup. It expresses the bond’s price as the present value of its coupon payments and principal, then divides by par value. With coupon and yield…
The document addresses how to represent an overnight USD LIBOR index in QuantLib’s Python interface when a dedicated constructor is not available. Its proposed approach is to instantiate a general index class with the relevant conventions, rather than…
The document distinguishes a loan’s credit limit from exposure at default (EAD). A credit limit is the maximum credit authorized, while EAD estimates the amount of risk present when default occurs. For a working capital facility, a borrower may stop drawing…
The document discusses calibrating a one-factor Hull–White interest-rate model to at-the-money swaption prices. The initial approach jointly optimizes a constant mean-reversion parameter and volatility against diagonal swaptions, but it notes that…
The document derives a way to estimate a credit rating transition matrix from cumulative default probabilities. It assumes annual transitions follow a Markov chain and treats default as an absorbing state. The non-default transition probabilities form a…
The note addresses how to form a loss distribution for a portfolio of loans when each loan has the same probability of default and each default causes a fixed loss. It recommends modeling the default count with a binomial distribution, using the number of…
The note explains how government bond coupons relate to issuance prices and market yields. Coupons are generally chosen so a new bond is issued near par, matching the preferences of investors who want its coupon yield to be close to prevailing rates.…
The document raises questions about how to interpret the volatility term and market price of risk in a fixed income model. The author connects the negative sign on a risk-related volatility parameter with the inverse relationship between bond prices and…
The document introduces Epstein–Zin recursive utility as a way to separate risk aversion from the elasticity of intertemporal substitution (EIS), unlike time-separable power utility, which ties the two together. It gives the associated stochastic discount…
The note distinguishes two uses of historical fixing data for an interest rate swap. To value the remaining cash flows, a modeller generally needs the fixing that determines the next or current floating coupon, but does not need every earlier reset once…
The document asks whether daily total returns for a fixed-rate bond can be recovered from a historical yield series when coupon information is unavailable, as may occur with generic constant-maturity government yields. The response explains that yield does…