You Think You’re Trading Vol...But Are You Even?
The implied volatility you think you're trading technically depends on your actual funding costs not the ones inherited from the marketplace.
Our thinking on options, trading, investing.
The implied volatility you think you're trading technically depends on your actual funding costs not the ones inherited from the marketplace.
A case study in oblique risk
Financial Hacking is one of the best books applying intuition to common problems in trading and investing
Consistent alpha or championships?
A game inspired by mock trading
The necessity of acting with incomplete info
Qualitative discretion
The wrong price can ruin a great idea
The basics of log returns
Log returns measure how far strike prices are from the stock price as a function of time and volatility
Using SP500 returns to distinguish geometric (compounded) returns from average arithmetic returns
Trading is applying a process to a need or service the market demands
Understand the meaning of "average" when returns compounds
Developing a habit of looking past first-order consequences
Learn how to compute the the volatility between 2 expirations
Options, volatility, and risk — written by traders, delivered when we publish.