Tiny profits per trade, dozens of times a day. The two archetypes — trend-follow and pincer-hedge — their procedures, and the four walls scalping always hits.
Scalping (from "to skin thinly") is a family of methods that stack a few to a dozen-odd pips of profit, fast and in volume. Each profit is small, but repeating dozens of times a day produces monthly income. About 27 of the 98 catalogued methods fall here.
Look at a 1-minute or 5-minute chart: price moves slowly while repeating small up-and-down swings. Scalping goes after each of those small waves. It is less "calling the direction" than "statistically harvesting tiny wobbles".
Because of that, scalping has features alien to other categories: "high win rate but minuscule profit per trade", "a battle against transaction costs", "extreme psychological load". This article covers the two archetypes and the four unavoidable walls.
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