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 discusses why money market funds may place cash in the Federal Reserve’s overnight reverse repo facility even when its rate is near zero. One explanation is a shortage of Treasury bills: reduced bill issuance alongside demand for liquid…
The document examines a bond yield-to-horizon calculation for a bond held until maturity. It contrasts a spreadsheet’s quoted 7.83% result with a calculation based on the ratio of horizon value to purchase price, and discusses reinvestment and compounding…
The document raises a fixed-income modeling question about the one-factor Vasicek short-rate model. It asks why adding a negative risk premium to the short rate might prevent inverse yield curves when changing from a risk-neutral measure to a real-world…
The document addresses how to discount monthly cash flows when the stated annual rate is 10%. Its central distinction is between converting a rate to match a compounding period and discounting payments that arrive at different dates. For an effective annual…
The document explains why a callable bond generally has a higher yield to maturity than a comparable noncallable bond. Its price can be viewed as the value of the noncallable bond minus the value of the issuer’s embedded call option. Since that option has…
The document describes pricing a plain vanilla interest rate swap from a discount curve in QuantLib and simulating short-rate paths with the one-factor Hull–White model. It includes a detailed setup for fixed and floating legs, historical index fixings, a…
The document explains how a Vasicek short-rate model changes under a risk-neutral measure and asks which parameters can be estimated from observed bond yields. It rewrites the adjusted drift using risk-neutral parameters, then relates yields to affine bond…
The document explains that collateralized debt obligations varied in complexity, but their payment structures can be analyzed by reading the governing deal documents. These contracts define cash-flow waterfalls tied to ratings triggers, collateral levels,…
The document distinguishes security identifiers such as ISIN, CUSIP, and SEDOL from company identifiers. A company may have multiple securities, each with its own identifier, and identifiers can change after reorganizations or other corporate actions. It…
The document outlines ways to investigate persistent losses at a trading desk that sells structured bonds with embedded options and hedges them in the market. It first asks whether the products and hedges were intended to earn zero net P&L. If the desk…
The document asks for papers or books on pricing debt instruments that allow prepayment. The author has found general material on callable bonds but wants references explaining whether a prepayment option can be modeled as a call feature or as an option such…
The document questions a proposed two-period expected-loss calculation based on a credit-rating transition matrix. It describes composing transition matrices across two periods and then combining selected transition probabilities with changes in default…
The document asks how to value the first floating coupon of a fixed-to-floating interest rate swap when its SOFR observation has a ten-day lookback and the coupon period has begun, but its fixing is still in the future. The specific question is how to…
The document compares the payoff of a year-on-year inflation swaplet, based on the ratio of two CPI levels, with a total return swaplet based on an asset price ratio. Although the payoffs have a similar form, their models need not produce the same convexity…
The discussion compares two ways to value the P&L of a foreign exchange forward: tracking the change in the forward rate, and valuing the future currency cash flows with discount factors and converting them at spot. The response says these methods agree when…
The document considers how to model sovereign yield spreads for Germany, France, and Spain using unemployment and public debt. It raises choices about stationarity, whether to use absolute economic indicators or differences between countries, and how to…
The document presents stochastic-calculus exercises involving a Hull–White short-rate process, a default-free zero-coupon bond, and a dollar–yen exchange rate. One task asks for the dynamics of a Japanese investor’s bond value after converting it into yen,…
The document explains how a US investor can hold a euro-denominated German bond while hedging the currency exposure. The investor exchanges dollars for euros at spot, buys the bond, and sells euros forward to lock in the dollar value of the maturity…
The document addresses whether a project’s discount rate should be set by its financing source. It argues that debt financing, equity financing, or a blend of the two does not by itself determine the rate: the rate should reflect the risk of the project’s…
The document asks how to calculate a 10-day, 99% relative normal VaR for a short GBP zero-coupon bond when its value is measured in euros. The central issue is that the position’s euro-denominated profit and loss reflects both changes in the bond’s price and…
The document asks how to estimate the variance of returns on a risky fixed income investment when the default-free yield and the yield shortfall attributed to defaults are known. Its central recommendation is to obtain historical loss yields or specify a…
The document asks which market instruments can help construct the short end of the SOFR curve, given the questioner’s impression that swaps are unavailable below a one-year maturity. The response points to trading in one-month and three-month SOFR futures.…
The document raises a question about simulating future interest-rate forward curves under a T-forward measure. It contrasts centering a simulated rate at its expectation under the measure associated with time t with using the forward rate observed at the…
The document asks how to interpret the Merton structural credit model when the probability of default is 50%. Under the stated setup, this corresponds to d2 being zero, but it does not imply that d1 is also zero. The relationship between the two quantities…