Risk and Edge
Weighting An Options Pair Trade
Theta vs vega weighting
Latest
Options Theory
Why Put-Call Parity Is Such A Deep Insight
The essence of understanding that calls and puts are actually the same
Options and Volatility
"Do you even trade bro?"
When are you an investor vs a trader?
How Markets Work
When it's normal to have no idea what your returns are
The lingua franca of asset management regardless of strategy is returns.
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
Risk and Edge
When it's normal to have no idea what your returns are
On thinking of performance in pure dollars
Options and Volatility
“Renting A Straddle”
When event pricing hides extremely cheap trading day volatility
How Markets Work
When Car Leases Offer Options For Less Than Zero
Back out the option premium from a car lease
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