N² - n: why shorting is mathematically cursed

why it's more fun to go long

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

a market-making project you can do today

market making exercise

approximating gamma in your head

mental math on gamma

oil options and the raw gamma paradox

gamma and calendar spreads

Example of “measurement not prediction” in the wild

Contradictions

the moontower bridge

an opinionated way to marry options to investing

links between options and event prediction markets

The odds surface across marketplaces

sticky vs floating strike

modeling vol surfaces