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2001issue C061

Constructing broadening and complex bottoms

Teach broadening bottoms, complex head-and-shoulders bottoms, and two-pivot bottoms as one construction habit: count the structure, lock the breakout line, and let a return through that line cancel the idea.

  • After a decline, a broadening bottom is a widening, roughly symmetrical triangle of successively higher highs and lower lows, the inverted counterpart of a broadening top.
  • The usual swing count is three successively lower lows paired with two successively higher highs. The layout is complete only when price breaks above the prior higher high and does not trade back below it.
  • A complex head-and-shoulders bottom, most often one head with two shoulders on each side, completes on a neckline break and fails if price breaks back below that line.
  • Editorial view: lock the breakout line before entry, whether that line is a prior higher high, a neckline, or the stated break of a two-pivot structure, and treat a return through it as failure.
Entries in this reading3 entries

Bottoms as construction

Editorial view: a bottom is a construction problem, not a silhouette to recognize. Count the expanding swings or the extra shoulders, lock the breakout line before entry, and treat a return through that line as the hypothesis failing.

In that editorial frame, a broadening bottom, a complex head-and-shoulders bottom, and a two-pivot bottom are parallel drills. Each layout is unfinished until a stated line is cleared and held.

Counting a broadening bottom

After a decline, a broadening bottom is built as the inverted counterpart of a broadening top: a widening, roughly symmetrical triangle of successively higher highs and lower lows.

The usual swing count is three successively lower lows paired with two successively higher highs.

The formation is treated as complete when price breaks above the prior higher high, often on the third advance inside the structure, and then does not trade back below that high.

The broadening bottom is presented as even less common than the already uncommon broadening top. That scarcity is linked to more volatile public swings at crowded peaks than at the cautious, selective end of a decline.

Complex bottoms and the neckline

Complex bottoms are a miscellaneous set of irregular reversal layouts that appear after a downtrend, precede an attempted advance, and mirror complex tops.

Inside that set, a complex head-and-shoulders bottom built from extra heads, extra shoulders, or both is described as the most frequent and most symmetrical member. The one-head, two-shoulders-per-side version is presented as more common than the multiple-head version.

Typical construction places the shoulders near a common level under a nearly flat neckline, though shoulders may sit at slightly different prices and the neckline may slope.

The pattern is defined as complete on a break above the neckline that begins a new advance. Price may later retest that line and hold it as support, while a break back below the neckline is defined as failure.

The complex bottom is described as lacking a regularly repeating volume sequence that would aid construction or confirmation.

Lock the line before entry

Editorial view: the same habit covers a two-pivot bottom. A repeated low becomes a trade hypothesis only after a stated break and a stated failure level.

For a broadening bottom, lock the prior higher high before entry and treat a later trade back below that high as failure. For a complex head-and-shoulders bottom, lock the neckline and treat a break back below it as failure. Do not redraw the silhouette to keep the idea alive.

Educational research material, not investment advice. Historical source context does not establish present-day performance.
15 of 37 in the Head and shoulders track
20011-7 pp.Next on Head and shouldersConstructing a slanted head-and-shoulders when the chart is tiltedA head-and-shoulders is three failed advances after an uptrend and stays unfinished until price breaks the neckline.
All readings on this track · 37 readings
  1. 1982Head and shoulders as a three-path completion test
  2. 1984Stock low clusters as a cycle baseline
  3. 1985Four-phase construction of the head-and-shoulders reversal
  4. 1989Volume-confirmed reversal patterns, stops, and measured objectives
  5. 1991The journal as one checklist for taken and skipped trades
  6. 1991Head and shoulders as a direction hypothesis
  7. 1991Candlestick body and shadow construction with three-Buddha peaks
  8. 1992A three-count drill that binds candlesticks, head and shoulders, and entry rules
  9. 1997Constructing bump and run reversal channels
  10. 1998Testing reversal formations in bond futures
  11. 1999Construction first: extra shoulders, the neckline, and the diamond test
  12. 1999Dead-cat bounce, rollover, and failed reversals
  13. 1999Evaluating time gaps in bond reversal patterns
  14. 2000Constructing head and shoulders and double reversal patterns
  15. 2001Constructing broadening and complex bottoms
  16. 2001Constructing a slanted head-and-shoulders when the chart is tilted
  17. 2002Head and shoulders with dominant-cycle timing
  18. 2002Trendline breaks, right shoulders, and trailing stops
  19. 2003Confirmation tests for bearish top patterns
  20. 2003Commodity top hypotheses on a dollar rebound
  21. 2003A head-and-shoulders test during a bear rally
  22. 2004Pattern breakouts need a primary-trend filter
  23. 2004Reading candlestick closes on trendline and neckline tests
  24. 2004Candle diagnosis needs Western targets and stops
  25. 2004Head-and-shoulders neckline construction
  26. 2005A familiar chart condition is a hypothesis, not a completed decision
  27. 2005A 50-day ceiling and a rising-floor stalemate
  28. 2006A complete trading plan from philosophy to checklist
  29. 2006Thin-market head and shoulders with two averages and MACD confirmation
  30. 2010Head and shoulders as a playback-tested setup
  31. 2011Turning a head-and-shoulders outline into a breakout hypothesis
  32. 2011Volume-confirmed head and shoulders on AIG and Citigroup in 2007
  33. 2013Constructing head-and-shoulders milestone points
  34. 2013Head-and-shoulders geometry versus the filter stack
  35. 2013Algorithmic head-and-shoulders construction
  36. 2018International relative strength as a double-top case study
  37. 2019Structure invalidation before comfort-stops
All 64 readings tagged Head and shoulders
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