Risk and Edge
Options trading as a widget factory
Edge Functions: the hurdle for a trader's unit economics
Options and Volatility
Risk and Edge
Weighting An Options Pair Trade
Theta vs vega weighting
Options and Volatility
"Do you even trade bro?"
When are you an investor vs a trader?
Options and Volatility
Ratio’d
The follow up to Breakpoints
Options and Volatility
Narrating An Option Trade
Stepping thru my GME roll
Options and Volatility
Breakpoints
Gridpoints on the vol surface
Options and Volatility
Riffing on Paywalls, Trading & Options
GME trade and more
Options and Volatility
What Equity Option Traders Can Learn From Commodity Options
Lessons of markets that rhyme
Options and Volatility
Scatterplot Gallery
A tour of SPY skew in pictures
Options and Volatility
“Renting A Straddle”
When event pricing hides extremely cheap trading day volatility
Options and Volatility
A birdie asked how to model a 1-day option
Thoughts about pricing 0DTEs that respect how volatility unfolds
Options and Volatility
Using Options Better
A smattering of practical option tips
How Markets Work
Mermaids, Fireflies, and the Bid-Ask Spread
On ETF and option market-making
Options Theory
Socratic Puzzles To Build Your Financial Intuition
Puzzles to build fundamental trading logic
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"
Options and Volatility
A Simple Demonstration of Return Vs Volatility
Volatility is a quadratic drag on returns