Long/Short Ratio: A Contrarian Signal That Sometimes Works
The long/short ratio shows how the crowd is positioned. Its usefulness lies at the extremes, not in the middle.
What the ratio measures
It compares the number of accounts holding long positions to those holding shorts on a given venue.
Extremes matter, the middle does not
A 50/50 split tells you nothing. A 75/25 split tells you the market is lopsided and vulnerable to a squeeze.
Accounts versus size
Many small long accounts can be outweighed by a few large shorts. Account-based ratios and position-weighted ratios can disagree — check which you are reading.
Use it as context, not a trigger
Crowded positioning can stay crowded for weeks. It is a risk gauge, not a timing tool.
Risk, defined properly
Risk is not volatility, though the two are constantly conflated. Volatility is how much a price moves. Risk is the probability of a permanent loss of capital — of the reason you owned something ceasing to be true. An asset can be extremely volatile and low-risk for a patient holder, or barely move and be extremely risky if it is quietly failing.
The practical difference: volatility is survived with position sizing, risk is avoided with research. Sizing a position so that a 60% drawdown is uncomfortable rather than ruinous handles volatility. Nothing about sizing protects you from owning something whose thesis has broken.
Which is why both jobs need doing. Size for the volatility, research for the risk, and set an alert at the level where the thesis would be in question — so the review is triggered by the market rather than by whether you happened to be paying attention that week.
Never miss a move in the markets you follow
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Frequently asked questions
Does this apply to stocks and commodities too?
The method does; the numbers do not. Levels, sizing and deciding in advance work identically across asset classes, but thresholds must be recalibrated — equities gap around earnings and only move during market hours, commodities trend more slowly, and currency pairs move a fraction of what crypto does, so a 1% move there is significant.
Set an alert for this: crypto price alerts, or every market and alert type. Choosing an app? How the alert apps compare, from their own pricing pages.
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