Options Theory
Socratic Puzzles To Build Your Financial Intuition
Puzzles to build fundamental trading logic
Latest
How Markets Work
What Drives The Stock Market
Fundamentals [still] matter
How Markets Work
Index Investing: The Nature of the Proposition
What we can learn from historical performance
How Markets Work
Inflation Replicator
Notes on my personal investing and hedging inflation
Options and Volatility
If you annualize volatility with 252 days can you use that number in a 365-day option model?
Why all implied volatilities are "wrong"
Risk and Edge
Trade or Tighten’
A common trading game for trainees
Options Theory
A Visual Primer For Understanding Options
A visual mapping of the greeks
How Markets Work
Career Advice For Quants
Link to a collection of career resources
Risk and Edge
Kelly Math Weirdness
The danger of Kelly criterion when the bet is skewed
How Markets Work
Nah…you just ain’t seein’ the ball
What people confess when they say markets don't make sense
Risk and Edge
My grandma is $24.05 bid, stop embarrassing yourself
On competition and more on bet sizing
How Markets Work
Getting Comfortable With Log Charts
Visualizing compounding for various rates of return
Risk and Edge
Getting Paid To Flip Million Dollar Coins
How much would you bet on a favorable coin?
Risk and Edge
Thinking In N not T
Sample sizes are not the same over equal time intervals
How Markets Work
Lessons From Ed Thorp’s Interview With Tim Ferriss
What we can learn from Ed Thorp
Options Theory
A Visual Appreciation For Black-Scholes Delta
Seeing delta from a new angle