Position Sizing and the Divide-by-20 Rule
Position sizing is the only control in trading that works regardless of whether you are right. Everything else depends on the market cooperating in some way — sizing does not.
Every StaxInvesting article covering position sizing automation · 3 posts.
3 articles
Position sizing is the only control in trading that works regardless of whether you are right. Everything else depends on the market cooperating in some way — sizing does not.
A low VIX ahead of a binary event does not mean the event is low-risk: it means options are pricing a small move against a catalyst that can produce a large one. How sizing, defined-risk structures, and loss limits bound that gap, and the honest limit of each.
A scheduled macro print widens the distribution of intraday outcomes, and risk settings tuned for an average day behave differently inside it. A mechanism-by-mechanism look at bounding automated exposure on a high-variance session â and the honest limit of each control.