A framework from Richard D. Wyckoff (early 1900s) that describes ranges as accumulation (before a markup) or distribution (before a markdown), with named events and phases A to E.
How traders use it: Traders use the vocabulary to describe how a range is developing and where a breakout or failure might come from.
Common mistake: Labelling events with certainty while the range is still forming. Many ranges fit both schematics until late.
Related: Wyckoff accumulation · Wyckoff distribution · Wyckoff phases A–E · Range (trading range)
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Concepts only. Education only, not financial advice. No pattern on this site has a published win rate.