The “grammar” of trading with SIG’s Todd Simkin
Learning trading with SIG's Todd Simkin
Learn Probability
Probability resources
Options trading as a widget factory
Edge Functions: the hurdle for a trader's unit economics
Weighting An Options Pair Trade
Theta vs vega weighting
Why Put-Call Parity Is Such A Deep Insight
The essence of understanding that calls and puts are actually the same
"Do you even trade bro?"
When are you an investor vs a trader?
Narrating An Option Trade
Stepping thru my GME roll
Breakpoints
Gridpoints on the vol surface
“Renting A Straddle”
When event pricing hides extremely cheap trading day volatility
When Car Leases Offer Options For Less Than Zero
Back out the option premium from a car lease
A birdie asked how to model a 1-day option
Thoughts about pricing 0DTEs that respect how volatility unfolds
Socratic Puzzles To Build Your Financial Intuition
Puzzles to build fundamental trading logic
If you annualize volatility with 252 days can you use that number in a 365-day option model?
Why all implied volatilities are "wrong"
A Visual Primer For Understanding Options
A visual mapping of the greeks
A Visual Appreciation For Black-Scholes Delta
Seeing delta from a new angle
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