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 a bank can issue debt that counts toward regulatory capital despite still being a liability. It clarifies that “Basel-compliant bond” is imprecise: the example bonds are described as qualifying for Tier 2 capital under regulatory…
The document explains that dealers use repurchase agreements to finance Treasury inventories and to support reverse-repo lending to clients. In a repo, a dealer receives cash against securities, while a reverse repo provides cash to a client against…
The document considers whether a high-coupon bond’s elevated price and Z-spread signal mispricing. It presents two ways to make comparisons across bonds with different coupons. Where principal and coupon strips are actively priced, a Treasury note’s price…
The document identifies Federal Reserve purchases of mortgage-backed securities as one component of quantitative easing and asks where to find the amounts bought or sold. The accepted response points to the Federal Reserve Bank of New York’s System Open…
The response explains how to obtain the function A(t,T) in the one-factor Hull–White interest-rate model. Starting from the differential equation governing A, it divides by A to express the equation in logarithmic form. Integrating between the current time…
This example explains how to infer unobserved spot rates from coupon-bond prices when market inputs exist only at selected maturities. The setup assumes continuously compounded spot rates, known rates at earlier coupon dates, and a known price for a…
The discussion outlines a practical way to build a SOFR discount curve using term SOFR fixings for shorter maturities and fixed-versus-SOFR swaps for the longer end. It describes the swap legs as annual fixed payments on an Actual/360 basis and overnight…
The document presents a question about converting a hypothetical spot curve into par rates across short and long tenors. It describes a short-tenor formula using the discount factor for that maturity and a day-count adjustment, then a longer-tenor formula…
This document asks which interest rate belongs in a Black–Scholes option valuation, distinguishing a bank funding rate from a short rate associated with the underlying stock. The answers describe the theoretical input as a risk-free rate matched to the…
The document explains how to estimate P&L for a position long a government bond and paying fixed on an interest rate swap. It starts with each leg’s DV01 and its yield change: multiplying them gives the bond and swap P&Ls, which sum to the trade’s total. A…
The document works through a derivation for the protection leg of a credit default swap. The payment at default is the notional amount multiplied by one minus the recovery rate, discounted from the valuation date to the default time, and counted only if…
The discussion examines whether an unexpected rise in inflation should prompt investors to reduce a conventional stock-and-bond allocation. Its central point is that 60/40 is not inherently optimal: portfolio weights depend on investor objectives, risk…
The document explains how to think about exposure for an interest rate swap whose mark-to-market is settled and whose fixed rate is reset to the prevailing rate for the remaining term. At the reset, the swap’s value is zero because the new fixed rate…
The exchange considers whether derivatives with floating LIBOR payments would remain valid if the benchmark were found to have been manipulated. Its central point is that contractual wording matters: some agreements may identify a published screen value,…
The document examines how to hedge a government bond portfolio against interest-rate changes with Treasury futures. It sets out a portfolio’s market value and modified duration, the deliverable bond’s duration, contract value, and a six-month rate, then…
The document presents a pricing reconciliation problem: a user compares a clean euro upfront amount from a market converter with a value produced by QuantLib’s ISDA CDS engine. The reported values differ slightly. The accompanying Python example builds a…
The document resolves a confusion about the time-zero value of a LIBOR rate for a future accrual period. It defines the simple rate to maturity through the price of a zero-coupon bond, then compares two ways of valuing the future-period loan. The proposed…
The document asks how to choose Euler simulation time steps for forward rates under the terminal measure. A step size based on the last fixing date lands exactly on that date, but may not align with earlier fixings. The question is whether to align steps to…
The document derives the bond-pricing coefficient for a short-rate process with linear drift and square-root-affine variance. It starts from the Riccati ordinary differential equation for the coefficient B, rescales B to obtain another Riccati equation, and…
The answer describes a Monte Carlo approach to value-at-risk for a bond portfolio. It recommends modeling historical yield changes through principal components, which represent curve movements such as level, slope, and curvature. Using these factors rather…
The document analyzes a simulation in which a long-term zero-coupon bond’s remaining-life discount rate follows a driftless Gaussian process with a fixed mean. Bond price is modeled as the exponential of the negative remaining maturity times that rate.…
The answer explains that segregated margin calls relate to regulatory requirements for initial margin held in a segregated account. The amount to post is described as the positive excess of calculated initial margin over a regulatory threshold: if the…
The discussion reviews a paper claiming that changes in futures open interest predict returns in related asset classes, including commodities, Treasuries, and equities. One response reports that an advisory analysis found predictive evidence after…
This discussion asks how to choose a risk-free rate when evaluating a strategy with weekly returns over a year. It considers using the one-year rate at the start of the sample, averaging weekly rates, or subtracting each week’s rate from the corresponding…