Supply Swamping Demand
Volume Spread Analysis glossary · Effort vs Result & Spread/Close Analysis
Definition
An extreme version of Supply Overcoming Demand: very high volume on an up-bar followed by an immediate market failure, showing that the supply has not merely overcome demand but overwhelmed it. The pattern is often the signal that triggers panic, and a swift, sharp decline typically follows. When combined with weakness already in the background, it is one of the most aggressive short signals in the catalogue.
Supply Swamping Demand in plain English
This is the extreme version of sellers beating buyers. You see a bar where the price rises on huge volume — a massive crowd trading — but then the market instantly stalls and rolls over instead of continuing up. That tells you the flood of selling didn't just edge out the buyers, it completely drowned them; the big players used all that eager buying as cover to dump their shares. It often sparks outright panic and a fast, steep drop, and when the chart was already looking weak beforehand, it's one of the strongest 'get out or bet against it' signals in the whole toolkit.
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