Everybody loves to hate short sellers.
They’re the “villains.” These are the “pessimists.” They’re the ones “betting against America.”
But if you’re actually trying to make money instead of just sharing opinions, you should be grateful that short sellers exist.
Because when they’re wrong, they can fuel some of the biggest moves you’ll ever see.
That’s not just a theory. That’s a big part of how we think about finding opportunities in our Divergence Portfolio.
In fact, we just put on two new trades yesterday.
The Other Side of Every Trade
Every buyer needs a seller. That’s not philosophy. That’s math.
What most people fail to realize, however, is that there isn’t an equivalent amount of buyers and sellers at every price.
This is what drives ups and downs for stocks.
Short sellers are a constant source of supply. They show up and sell when others won’t. That creates liquidity. It tightens spreads. It lets you get in and out without blowing yourself up on execution.
Markets without short sellers are thinner, more fragile, and much more prone to air pockets.
You don’t want that. You want deep, liquid markets where there’s always someone on the other side.
Short sellers help make that happen.
Where the Opportunity Actually Comes From
Short sellers don’t just provide liquidity. They create opportunity.
They’re often the first ones digging into the garbage. Frauds. Broken business models. Overhyped stories that don’t deserve the price they’re trading at.
You might not like how they say it. You might not like it when they say it. But your feelings aren’t relevant to this equation.
Here’s the part people forget.
If you’re long a stock, you’re just promising to be a seller one day.
But short sellers are future buyers. At some point, every short has to be covered. That means buying stock. No exceptions.
So when positioning gets crowded and price stops going down, everything changes.
Now those same sellers become forced buyers. That’s fuel.
That’s where the biggest moves come from. Not new narratives. Not better fundamentals. Positioning was just offsides.
We see it happen all the time.
Positioning Is the Tell
This isn’t theory. We can actually measure it.
Short interest across the Russell 3000 is elevated relative to history. By most measures, median short interest as a percentage of float is near the highest levels in over a decade.
Here’s a chart from Deutsche Bank showing the new 15-year highs in median short interest:
That means a lot of bets against stocks.
And when everybody leans the same way, it doesn’t take much to tip things the other way.
Heavy short positioning. Prices going nowhere. Then the turn came. And once it did, those shorts had to cover into strength.
That’s not a coincidence. That’s mechanics.
One of the most consistent ways to make money is to find where positioning is stretched.
When short interest is extreme and price stops going down, you have a problem for the shorts.
And an opportunity for everyone else.
Here’s the part no one wants to hear.
When everyone is leaning the same way, it doesn’t take much to move price the other way.
That’s what creates those fast, violent moves. Down if they’re right. Up if they’re wrong.
That’s how markets work.
You don’t see this kind of positioning at random times. It often shows up near turning points.
People think short sellers are the enemy.
They’re not. They’re liquidity. They’re really good information. And they’re guaranteed future buyers.
They’re part of what makes a market function properly and efficiently.
When they’re wrong, they’re trapped. And that’s the opportunity.
So yeah, be grateful for short sellers. Because when they’re wrong, they don’t just admit it.
They have to buy it back from you at much higher prices!
Stay sharp,
JC Parets, CMT
Founder, TrendLabs