N² - n: why shorting is mathematically cursed
why it's more fun to go long
Kris Abdelmessih
not all averages are created equal
bridging middle school math to investing math
From Text ➡️ Dashboards
vibe code a silver dashboard
vega's finishing move
how vega kills
trading as a sudoku puzzle
sense-making from market prices
How Markets Work
a market-making project you can do today
market making exercise
Options and Volatility
approximating gamma in your head
mental math on gamma
Options and Volatility
oil options and the raw gamma paradox
gamma and calendar spreads
Risk and Edge
Example of “measurement not prediction” in the wild
Contradictions
Options and Volatility
the moontower bridge
an opinionated way to marry options to investing
How Markets Work
links between options and event prediction markets
The odds surface across marketplaces
Options and Volatility
sticky vs floating strike
modeling vol surfaces
Options and Volatility
embedding spot-vol correlation in option deltas
skew delta
How Markets Work
how taxes can influence option trades
taxes and options
How Markets Work
asian options
average price options
levered silver flows
computing rebalance quantities