Topic · Quant Trading
← All topicsRegimes in Practice
21 articles · 4 checkpoints · 11 deeper reads · 6 reference notes
Every article, in reading order
plant a flag as you finish eachRead these first
Holding a position through an earnings report or a central bank decision isn't a passive default, it's an active bet on the event itself, and it should be sized like one.
The hardest part of a regime change isn't knowing markets shift, it's admitting, while it's happening, that the strategy that's worked for months has just stopped.
When realized volatility jumps, every position on the book is suddenly bigger in risk terms than it was yesterday, even though nobody traded a share.
The size you could exit at yesterday and the size you can actually exit at today are different questions, and the gap between them is exactly what shows up on the worst days.
Then the rest