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Moontower Blog
Our thinking on options, trading, investing.
What Equity Option Traders Can Learn From Commodity Options
Lessons of markets that rhyme
Scatterplot Gallery
A tour of SPY skew in pictures
When it's normal to have no idea what your returns are
On thinking of performance in pure dollars
“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
Using Options Better
A smattering of practical option tips
Mermaids, Fireflies, and the Bid-Ask Spread
On ETF and option market-making
Life Settlement Arbitrage
A guest post showing how “markets find a way”
Know Nothing Sizing
Vol is more stable than returns
Growth rate = 70% * (doublings/years)
If you can count doublings then you can easily dazzle your friends with how fast you estimate a growth rate for any number of years.
Socratic Puzzles To Build Your Financial Intuition
Puzzles to build fundamental trading logic
What Drives The Stock Market
Fundamentals [still] matter
Index Investing: The Nature of the Proposition
What we can learn from historical performance
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