US Debt Crosses $40 Trillion: Every $1T in 5 Months
US public debt topped $40 trillion on Aug 18, 2026, per Treasury. The last two trillion arrived in about five months each.
treasury bonds
Bond Duration and Convexity Explained (With Examples)
Bond duration and convexity in plain English: what they measure, the formulas that matter, worked examples on real Treasury yields, and the traps that catch retail investors.
T-Bills vs T-Notes vs T-Bonds: Treasury Securities 101
T-Bills, T-Notes, and T-Bonds explained: maturities, coupon math, auction schedule, and the live June 2026 yield curve, with worked examples.
30-Year Treasury Auction Clears at 4.84% as Demand Returns
Treasury sold $22B of 30-year bonds at 4.844% Thursday with a 2.43 bid-to-cover — average demand, a quiet rebound from May’s first-above-5% scare.
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 Convexity Explained: Why Duration Isn’t Enough
Duration is a tangent line; convexity is the curvature. Here is the formula, a worked 10-year Treasury example, and why MBS has negative convexity.
Bond Duration Explained: Why Yields Move Bond Prices
Bond duration measures how much a bond’s price moves when yields change. Here’s the math, a worked example, and why long Treasuries got crushed in 2026.
How Treasury Auctions Work: Bid-to-Cover and Tails
How the U.S. Treasury actually raises money: single-price auctions, competitive vs noncompetitive bids, primary dealers, and what tails reveal.
The Yield Curve: What It Is and Why Inversion Matters
Understand the yield curve, what causes inversions, and why they have preceded every U.S. recession since 1955. Includes today’s snapshot.
US Treasury’s $10T Rollover: Weak Demand and Rising Yields
The US must roll over ~$10 trillion in Treasury debt in 2026 at yields far higher than original issue. What auction data and foreign holder trends reveal.