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2005issue C081-4

Current-bar inclusion can mute a stochastic channel break

A raw Stochastic oscillator ranks the close inside a lookback that already contains the current bar. An excursion that would sit outside a prior-only high-low channel is absorbed into the oscillator scale, so a bounded reading can stay muted through a channel break.

  • A raw Stochastic oscillator ranks the close inside a lookback that already contains the current bar, so an excursion that would sit outside a prior-only high-low channel is absorbed into the oscillator scale.
  • A gradual grind along the floor of a tight band can occupy the same oversold zone as an abrupt range exit, so the oscillator reading alone does not separate those two path types.
  • When the oscillator is already pinned near an extreme, a further break from the near edge of the prior band registers as a smaller increment than an equal-looking break that starts from the far edge.
  • A further averaging step on the raw Stochastic oscillator reduces the contrast between a sharp range exit and a slow walk from one edge of the band to the other.
Entries in this reading3 entries
Current trackTrend filter137 readingsStochastic oscillator170 readingsRelative Strength Index186 readings

How a raw stochastic absorbs a break

A raw Stochastic oscillator ranks the close inside a lookback that already contains the current bar, so an excursion that would sit outside a prior-only high-low channel is absorbed into the oscillator scale.

When the oscillator is already pinned near an extreme, a further break from the near edge of the prior band registers as a smaller increment than an equal-looking break that starts from the far edge.

A gradual grind along the floor of a tight band can occupy the same oversold zone as an abrupt range exit, so the oscillator reading alone does not separate those two path types.

A prior-only channel shows what the inclusive band hides

On one illustrated equity, successive downside channel exits in autumn 2004 produced no matching breakout signature on a 14-bar Stochastic oscillator.

Redrawing the same 14-bar high-low construction once as a prior-only channel and once as a current-inclusive band makes the breakout visible on the first and muted on the second.

A further averaging step on the raw Stochastic oscillator reduces the contrast between a sharp range exit and a slow walk from one edge of the band to the other.

The same current-bar inclusion question applies whenever a live observation is compared with a volatility or range reference that already contains that observation.

A stochastic transform of a heavily smoothed Relative Strength Index series can restore visibility of smaller swings that the parent oscillator compresses.

Educational research material, not investment advice. Historical source context does not establish present-day performance.
19 of 33 in the Trend filter track
20061-11 pp.Next on Trend filterA stochastic oscillator gated by a long-term exponential averageLong entries fire when the stochastic reading is below 30 and the close is above the 271-period exponential moving average.
All readings on this track · 33 readings
  1. 1988Opening-range brackets, a two-bar trend filter, and bounded stops
  2. 1990Bezier-curve price trend filter
  3. 1992Constructing a damping-index trend filter
  4. 1992Building a random walk index trend filter
  5. 1992Phase diagrams for moving-average trend filters
  6. 1993Volume-weighted change smoothing and trend ranking
  7. 1993Concurrent highest-low filter with a largest-low-fall trigger
  8. 1994Unit-invariant trend filters and the c-test
  9. 1995Constructing cup and cap entries with a three-bar net line
  10. 1997Why a daily timing evaluation depends on interval, lookbacks, and the fitting objective
  11. 2001A volume budget clock for trend-segment construction
  12. 2001Keep three jobs separate when you test a composite score
  13. 2002Evaluating the weekly four-percent close filter as a market-state procedure
  14. 2003Constructing a confirmed zigzag trend filter
  15. 2004Decompose high, low, and close into separate forecast streams
  16. 2005Three-state moving-average breakout bar coloring
  17. 2005Constructing a volume and move-adjusted trend filter
  18. 2005A fifty-day average breakout as a trend permission filter
  19. 2005Current-bar inclusion can mute a stochastic channel break
  20. 2006A stochastic oscillator gated by a long-term exponential average
  21. 2010A construction test for a modified volume-price trend filter
  22. 2011Constructing a Spearman rank trend filter
  23. 2013Constructing a repeated-median slope as a resistant trend filter
  24. 2014Combining a relative-strength index and trend filters for oversold setups
  25. 2014Price-rooted lookbacks for a relative strength index, a moving average, and a trend filter
  26. 2015Evaluating next-session intermarket range forecasts
  27. 2018Read the intermarket weight matrix first, then the predicted moving-average filter
  28. 2018Constructing the stiffness trend filter from moving-average holds
  29. 2018The averaging kernel and the lagged trend gate are separate specifications
  30. 2019A trend filter is not ready to compare until portfolio constraints are written down
  31. 2019Lookback, threshold, and position-capacity for a stiffness trend-filter
  32. 2020Combining a trend filter with a moving average and a stochastic oscillator
  33. 2020Constructing a relative-strength oscillator with a rank-agreement trend filter
By fieldIndicators and filters682 readingsBy year2005104 readings
All 137 readings tagged Trend filter
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