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2005issue C121

Checking trend versus range with breadth and divergence

Classify the market as a trend or a trading range before the day's trading, then test that regime-check with market-breadth and divergence. TradersWeek editorial aim: turn a fuzzy hunch into a hypothesis that can fail in real time.

  • Decide whether the market is in a trend or a trading range before starting the day's trading.
  • The middle of a trend is typically easier to identify than the beginning or the end, and past phases are clearer on a long-term chart than the next few sessions.
  • Buyer-versus-seller enthusiasm changes faster in a consolidating market than in a trending one, so a stall calls for closer attention.
  • Market-breadth and divergence can be used to examine when a trend may be ending and when a market may be consolidating or reversing.
Entries in this reading2 entries
Current trackMarket breadth120 readingsPrice-indicator divergence142 readings

A two-step pre-trade drill

A trader should decide whether the market is in a trend or a trading range before starting the day's trading. That first-chart decision is the regime-check: is price making net progress one way, even if it pauses, or is it sideways, with the dominant side able to change quickly?

TradersWeek editorial reading: treat that call as step one, then test it. Market-breadth asks whether the move still has sponsorship. Divergence asks whether price and its companion reading have stopped agreeing. The drill does not forecast the next swing. It turns a fuzzy regime hunch into a hypothesis that can fail in real time.

The middle is clearer than the edges

Past trending and consolidating phases are easier to see on a long-term chart than the market's path over the next trading days. The middle of a trend is typically easier to identify than the beginning or the end of that trend.

TradersWeek editorial reading: the hard edges are where the regime-check is most likely to be wrong. A stall can be a pause inside a trend, the start of a trading range, or the first sign that direction is giving way. That is why the second step exists.

Consolidation needs closer attention

Buyer-versus-seller enthusiasm changes faster in a consolidating market than in a trending one, so consolidation calls for closer attention. Consolidation is a stall inside or after a directional move, when the market stops extending and starts trading back and forth.

Sponsorship is which side, buyers or sellers, is more committed, and how quickly that commitment can flip. In a trading range the dominant side can change quickly. In a trend, even with pauses, net progress still runs one way.

Market-breadth during a stall

Market-breadth indicators can be applied when price is consolidating. Market-breadth is a participation reading that shows how widely the market is joining or refusing the price move. It is used here as a signal rather than a forecast.

TradersWeek editorial reading: if the regime-check says trend, breadth tests whether that direction still has sponsorship. If the regime-check says trading range, breadth tests whether one side is starting to commit more widely, or whether participation remains mixed.

Divergence as lost confirmation

Divergences between price and those indicators can mark a slowdown in the prevailing direction of price. Divergence is a split between price direction and a companion indicator, used to flag that the prevailing move is losing confirmation.

TradersWeek editorial reading: divergence does not name the next swing. It answers a narrower question: have price and the companion reading stopped agreeing? A split can fail the idea that the prevailing direction is still intact.

When a trend may be ending

Breadth and divergence readings can be used to examine when a trend may be ending and when a market may be consolidating or reversing.

From October 2002 through August 2005, the Standard & Poor's 500 was described as an overall uptrend that still included sideways stalls. TradersWeek editorial reading: an uptrend can still spend time in consolidation. The drill is to keep classifying the present phase and to let market-breadth and divergence confirm or fail that call, rather than to assume the next few days will look like the long-term chart.

Educational research material, not investment advice. Historical source context does not establish present-day performance.
67 of 71 in the Market breadth track
201163-70 pp.Next on Market breadthConstructing a Nasdaq hi-lo index from highs, lows, and issues tradedThe hi-lo index is a Nasdaq breadth oscillator built from total issues traded plus daily new 52-week highs and new 52-week lows.
All readings on this track · 71 readings
  1. 1987How a failed rebound, weak breadth, and cycle dates broke the 1987 bull case
  2. 1988Diagnosing market bottoms with breadth, divergence and averages
  3. 1988Diagnosing index tops with breadth divergences
  4. 1988Record highs versus seven-day breadth and divergence
  5. 1989Constructing a percentage-scaled internals composite
  6. 1989Constructing a weekly block-tick breadth z-score
  7. 1989Constructing a dual-rate advance-decline oscillator
  8. 1989Normalize advance-decline series for a common-scale comparison
  9. 1990Unchanged-issue share as a narrow-breadth case study
  10. 1990Evaluating daily and weekly unsigned plurality breadth
  11. 1990Constructing paired new-high and new-low breadth indicators
  12. 1990Ten-day HI/LO extremes as a long-horizon breadth signal
  13. 1990Confirming index cycles with breadth, volume, and waves
  14. 1990Index cycle gates from breadth and volume
  15. 1990Constructing advance-decline breadth indicators
  16. 1990Weekly advance-decline oscillator: weight map, extremes, and spike cycle
  17. 1990Price-weighted construction distorts breadth, support, and trend
  18. 1991A peak-sequence test from the new-highs-to-advances-ratio
  19. 1991Fuzzy rules that turn daily market-breadth into a session consensus
  20. 1991From daily breadth tallies to a weighted consensus signal
  21. 1991Retesting market-breadth when market structure changes
  22. 1991Constructing TRIN as a breadth-volume ratio
  23. 1991Build the market clock before you read a price bar
  24. 1991A construction audit of the long-horizon trading index
  25. 1991Independent formula timers kept as a testable combination
  26. 1992When identical TRIN prints come from different pairings
  27. 1992Grade closing tick before a next-session breadth hypothesis
  28. 1992Noncumulative advance-decline swing confirmation
  29. 1992Five-day sum construction of the trading index
  30. 1992Daily closing-trin extremes and next-day direction
  31. 1992A three-layer audit: regime, breadth, and group RSI
  32. 1992Constructing a nine-state trend, momentum, and breadth score
  33. 1993Constructing a market-volume-impact rating from nested averages
  34. 1993When advance-decline confirmation counts the wrong universe
  35. 1993Constructing breadth momentum from advance-decline smoothing
  36. 1993Constructing a cumulative market-thrust line
  37. 1994Three-horizon construction of the Haurlan index
  38. 1994Checklist-gated session entry in 1993 index futures
  39. 1994Read one advance-decline pair through three windows
  40. 1994Constructing calibrated market-breadth summation indexes
  41. 1994Constructing a two-speed advance-decline oscillator and a calibrated summation
  42. 1995NYSE tick extremes and candlestick reversal entries
  43. 1995Assembling range, breadth, and a stored stop into one procedure
  44. 1995Restating market breadth timing rules as ratios
  45. 1995Constructing breadth ratio gates after lookback drawdowns
  46. 1995Building a short-range breadth and price oscillator
  47. 1996Constructing a smoothed advance-decline trend filter
  48. 1996Smoothed advance-decline alerts at the 1987 and 1990 turning points
  49. 1996Constructing breadth, RSI, and stochastic range filters
  50. 1996New-high and new-low counts as a breadth construction
  51. 1996Constructing the four-input breadth-volume ratio
  52. 1996Constructing the McClellan oscillator and a calibrated summation index
  53. 1996Declare the oscillator seed, then calibrate only the summation index
  54. 1997Three-gate centered strength in market-breadth construction
  55. 1997Daily advance-decline and new-high new-low breadth signals
  56. 1999Index-fund positions as a majority-vote committee
  57. 2000Tick, tiki and TRIN as a three-layer session confirmation stack
  58. 2000Constructing an advance-decline oscillator from one listed tape
  59. 2001Market breadth, beta, and volume-price confirmation
  60. 2001Regime context from relative venue volume, breadth, and intermarket spreads
  61. 2002When NYSE breadth misreads operating-stock participation
  62. 2003Two-gate breadth divergence and a trend filter for rally tops
  63. 2003Market internals confirm or diverge from the index
  64. 2004Constructing the McClellan oscillator and summation index
  65. 2005Intraday index-futures divergence as a three-part session hypothesis
  66. 2005Breadth summation levels as a short-term signal filter
  67. 2005Checking trend versus range with breadth and divergence
  68. 2011Constructing a Nasdaq hi-lo index from highs, lows, and issues traded
  69. 2013Cumulative advance-decline versus a one-year average
  70. 2013A one-year breadth average as a participation gate
  71. 2015Falsifying a healthy correction with breadth and support
By fieldMarket breadth101 readingsBy year2005104 readings
All 120 readings tagged Market breadth
Also on Market breadth5 readings
1988Constructing an advance-decline divergence oscillator1988Diagnosing index tops with breadth divergences1988Diagnosing market bottoms with breadth, divergence and averages1988Construct a five-week new-highs total as a breadth chart1988Record highs versus seven-day breadth and divergence