Original Issue Discount (OID) Explained: Rules, Math, and Taxes
Learn how Original Issue Discount (OID) works, how the IRS de minimis threshold is calculated, and how phantom tax rules apply to discounted debt securities.
fixed income basics
Bond Duration and Convexity Explained
Duration measures a bond’s price move per 1% yield change; convexity is the correction that matters when rates move a lot. The math, with examples.
Bond Duration Explained: Why a 1% Rate Move Wrecks Long Bonds
Duration is the single number that explains why a 30-year Treasury can lose roughly 16% in a year when yields rise 1%. Here is how it works, with current data.
Bond Duration & Convexity: Why Long Bonds Move Most
What is bond duration? A plain-English guide with the rule of thumb, the formula, and a worked example using current Treasury yields.