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- 30 to 40 Percent of All US Equity Volume Is Hidden.
30 to 40 Percent of All US Equity Volume Is Hidden.
This Is How One Trader Reads It.

Institutions build positions before price moves.
Between 30 and 40 percent of US equity volume trades in dark pools every day. That means capital is accumulating in stocks right now, quietly, in ways that do not show up on your chart.
By the time the move is visible, the accumulation is already done. You are buying what they already own.
Jeff Bierman spent 38 years figuring out how to see it before the chart shows it.
He calls the third component the Fuel Line. Not where money is right now. The trend of money over time. Is capital building in this stock quietly or draining out?
Because a gorgeous setup with the wrong fuel line goes nowhere. He has seen it happen. The smoke pattern forms, the heat gauge locks in, and then he checks the fuel line and the money is leaving. That setup dies every time.
In February 2026, Jeff was watching Sprouts Farmers Market.
The stock was going sideways. No news, not on any hot list, the kind of name most traders would scroll right past. But the fuel line was showing accumulation.

Capital building quietly while price sat still. The surface said nothing. The fuel line said something was being loaded.
Three of the four criteria confirmed. He entered at $67.50. Four days later the stock hit $75.50.
Eight dollars a share on a name that generated zero headlines the entire time.
He presented it publicly for the first time this week, including SFM, the full four-criteria system, and what the fuel line looks like when it is loading versus when it is draining.
To your success,
Don Kaufman