curveComing soon
Treasury yield curve
Today’s curve from 1 month to 30 years, how it has shifted, and what an inverted curve has meant in the past.
You’ll learn what the shape of the curve is telling you.
Fixed Income
Bonds, finally made clear.
Treasury yields, the yield curve, credit spreads and real bond math, explained in plain English. We’re building fixed income tools that used to live only on professional trading desks.
US Treasury curvecurve
Today1 year ago
What we’re building
The bond market, decoded.
Every calculation is done by tested, transparent code. AI explains what the numbers mean and what could change them.
bondComing soon
Bond calculator
Turn a price into a yield and back, with accrued interest and cash flows laid out date by date.
You’ll learn why price and yield always move in opposite directions.
riskComing soon
Duration and convexity
How much a bond or bond portfolio gains or loses when rates move, and how that changes as rates keep moving.
You’ll learn how much rate risk you are really taking.
spreadComing soon
Credit spreads
The extra yield corporate bonds pay over Treasuries, for investment grade and high yield, and what widening spreads can signal.
You’ll learn how the market prices default risk.
fedComing soon
Fed and rates watch
Federal Reserve meetings, rate decisions and what the market expects next, tied to how yields reacted.
You’ll learn how decisions in Washington reach your bonds.
modelComing soon
Yield curve bootstrapping
Build the zero-coupon curve step by step. One of the models on our Financial Modeling page.
You’ll learn how professionals price any cash flow.
Why bonds move
Four forces behind every bond price.
Interest rates
When new bonds pay more, older bonds paying less lose value.
Rates→Yields→Bond prices
Inflation
Higher inflation eats into fixed payments, so investors demand more yield.
Inflation→Yields→Long bonds
The Fed
Rate decisions and guidance move short-term yields most directly.
Fed cuts→2Y yield→Curve steepens
Credit risk
When a borrower looks riskier, investors want more yield to hold its bonds.
Default worries→Spreads→Corporate bonds
These are typical relationships shown for learning. Real bond markets react to many forces at once.