Money Math

Intraday Breakout Riddle

There was a famous futures trader on the NYMEX when I was there named Mark Fisher. I leased office space…

2 years ago

Insights From Fortune’s Formula

I’m about 60% through William Poundstone’s Fortune's Formula: The Untold Story of the Scientific Betting System That Beat the Casinos…

2 years ago

A Visual Appreciation For Black-Scholes Delta

I was messing with the Black-Scholes equation (as one does for fun) and happened on another way to visually understand…

2 years ago

Thinking In N not T

On Sunday’s Risk Depends On The Resolution, I wrote: The history of the US stock market is a small sample size.…

2 years ago

Risk Depends On The Resolution

I am disappointed with investing section of my last post Plane With Zits. Let’s remediate the problem with it and see…

2 years ago

Bridge of Asses

I added Money Angle for Masochists to the letter this year. The alliterative phrase is going to stay but only because I…

3 years ago

A Simple Demonstration of Return Vs Volatility

Arithmetic returns Expected return for a bet is the simple probability-weighted average of outcomes. If there is a 50% chance…

3 years ago

What I Learned About TIPs

I tried to buy some Treasury Inflation-Protected securities (TIPs bonds) last week. I failed. But I learned a lot about…

3 years ago

Outline of the Risk-Neutral Probability lessons

I published a new lesson. It's a big post with 5 embdedded sub-posts and exercises for the reader. It ties…

3 years ago

You Think You’re Trading Vol….But Are You Even?

Option amateurs underappreciate the role of funding in pricing derivatives. Professional options traders need to be obsessed with funding costs…

3 years ago