Risk and Edge
appreciating diversification
the basics of diversification
Kris Abdelmessih
Options and Volatility
how a high implied vol can be cheap
Volatility is not a single measure
How Markets Work
hard earned trading wisdom
insights from a practioner, quant and author Euan Sinclair
Options and Volatility
options policework
practice separating outcome from process
Positive delta puts in the wild: Avis stock (CAR)
example of puts that lost value as a short-squeezed stock fell
Options and Volatility
the bias of hedging on implied delta
deltas depend on vols
Options Theory
how to get arbed with perfect information
no-arbitrage theory can be triggering
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
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