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2013issue C128-9

Rescaling stochastic, percent-B, and wave-count parameters

A historical reply treats a stochastic lookback, a Bollinger percent-B window, and a 1-2-3 reversal threshold as scale parameters. Those knobs are restated when the bar interval or the smallest countable wave changes.

  • A published stochastic lookback, a Bollinger percent-B window, and a 1-2-3 reversal threshold are treated as scale parameters, not as portable defaults.
  • Oscillator inputs of 18, 3, 30, and 3 are not treated as transferable across 60-minute, 240-minute, daily, and weekly charts; they are adapted to the minimum reversal that should count as a wave.
  • A 1-2-3 wave count is one module of a multi-rule swing method and needs adapted settings when the instrument or sampling interval changes, including range bars and intervals below the daily bar.
  • When the wave count is used without the remaining swing rules, the reply recommends historical tests of the chosen settings before relying on the count.
Entries in this reading3 entries

Settings that follow the bar scale

The archive treats a published stochastic lookback, a Bollinger percent-B window, and an Elliott-style 1-2-3 reversal threshold as settings that belong to a chosen scale. A stochastic oscillator is a range-position oscillator whose period and slowing inputs locate the close inside a lookback high-low window. Bollinger Bands are a volatility envelope whose percent-B reading places price inside the band; a deviation period and a short average of percent-B are the two band-side inputs discussed here. An Elliott wave 1-2-3 swing label marks impulse, retracement, and continuation legs on the chosen bar scale and is treated as one module inside a larger swing-rule set.

Oscillator inputs and the reversal threshold

A reader applied a smoothed oscillator that combined Bollinger percent-B and a stochastic oscillator with four inputs set to 18, 3, 30, and 3. Those oscillator settings are not treated as transferable across 60-minute, 240-minute, daily, and weekly charts. The reply says to adapt them to the minimum reversal that should count as a wave.

That reversal threshold is the smallest percentage or average-true-range-scaled move that should register as a countable wave on the selected sampling interval. Example adapted reversal settings that mix a percentage with an average-true-range influence were given as 0.8, 5, 1.2 on 240-minute bars, 1.5, 5, 1.5 on daily bars, and 3.8, 5, 4.5 on weekly bars.

Reversal parameters restated by bar interval

When the bar interval lengthens, the smallest swing treated as a wave is raised with it. The percentage floor steps from 0.8 on 240-minute bars to 1.5 on daily bars and 3.8 on weekly bars, and the ATR influence moves in the same direction. Those triples are stated in Vervoort’s letter reply, not read off a plotted figure.
When the bar interval lengthens, the smallest swing treated as a wave is raised with it. The percentage floor steps from 0.8 on 240-minute bars to 1.5 on daily bars and 3.8 on weekly bars, and the ATR influence moves in the same direction. Those triples are stated in Vervoort’s letter reply, not read off a plotted figure.240-minute, daily, and weekly

Each published triple is a percentage, a middle setting of 5 on every interval, and an ATR influence. The constant 5 is omitted. The figures are general guidance, not a fitted study on one symbol.

A wave count as one module

A 1-2-3 wave count is described as needing adapted settings once the instrument or sampling interval changes, including intervals below the daily bar and non-time constructions such as range bars. The same 1-2-3 wave count is presented as one module of a multi-rule swing method rather than a complete standalone model.

When a wave count is used without the remaining swing rules, the reply recommends historical tests of the chosen settings before relying on the count.

What updates, and what stops remaining useful

A self-adjusting relative-strength construction treats the overbought and oversold levels as the inputs that update, rather than requiring the user to retune length or a K coefficient. Those self-adjusting thresholds are overbought and oversold levels that update from formulas instead of remaining fixed constants the user must retune by hand.

A reader described placing multiple published strategies on the same symbol and 20-minute interval and then reoptimizing buy and sell lines after previously chosen inputs stopped remaining useful within a few days.

Educational research material, not investment advice. Historical source context does not establish present-day performance.
35 of 45 in the Bollinger Bands track
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All readings on this track · 45 readings
  1. 1992Constructing volatility-scaled bands with relative strength index confirmation
  2. 1994Implied volatility as a band-defined regime filter for index options
  3. 1995Constructing projection bands from least-squares slopes
  4. 1995Constructing regression projection bands and range oscillators
  5. 1996Constructing Bollinger bands, percent-b, and stochastics
  6. 1996Constructing mechanical rules from Bollinger Bands and stochastics
  7. 1996Constructing a standard-error envelope around a linear regression
  8. 1996Dual-horizon ratio envelopes and regression error channels
  9. 1997Rational group structure with a trend screen, RSI, and bands
  10. 1997Asymmetric volatility band construction
  11. 1998Constructing three-state filters from Bollinger band envelopes
  12. 1999Combination filters with Bollinger Bands and the relative strength index
  13. 1999Constructing stochastic timed exits and band-RSI reversals
  14. 1999Evaluating Bollinger Bands against fixed-width and range-based envelopes
  15. 2000Constructing a Bollinger Band target as a forward price
  16. 2001Numeric candlestick encoding with local size bands
  17. 2001Ranked candlestick sentiment to band-cross entries
  18. 2002Combining Bollinger Bands, RSI, and a stop-loss
  19. 2002Bollinger Bands remain filters, not forecasts
  20. 2002Constructing a stochastic RSI with Bollinger bands
  21. 2002Constructing a StochRSI and Bollinger mechanical system
  22. 2003Constructing volatility-scaled Bollinger envelopes
  23. 2003Why tick breadth fails as a market personality
  24. 2005Constructing Bollinger bands versus fixed trading bands
  25. 2006Squared versus absolute deviation in envelope construction
  26. 2006Confirming yen crossovers with implied volatility and bands
  27. 2006A daily candle reversal is a hypothesis until shorter sessions fail at the same zone
  28. 2008Rebuild the Relative Strength Index as price-scale bands
  29. 2008Reading Relative Strength Index extremes on one price axis with Bollinger Bands and moving averages
  30. 2011Three-filter confirmation for short-swing futures
  31. 2011Constructing an inverse Fisher stochastic with bands and averages
  32. 2012Constructing a Bollinger Band indicator suite
  33. 2012Stacking price extremes, crossovers, bands, and MACD
  34. 2012Adaptive Bollinger band impulse, trend, and momentum filters
  35. 2013Rescaling stochastic, percent-B, and wave-count parameters
  36. 2014Industry-group quartile pivots as a Bollinger Bands case study
  37. 2014Bollinger Bands as adaptive price envelopes: a 2014 classroom case
  38. 2016Trend-channel entry rules from stacked moving averages
  39. 2016A permission stack for Bollinger, RSI, and the 50-period average
  40. 2017Constructing weighted Bollinger bands and volume averages
  41. 2017Four swing-entry rules that share a timed exit
  42. 2017Two-wave monthly cycles as a regime filter
  43. 2019Constructing exponential-deviation-bands from a midline-average
  44. 2020Critiquing exponential variants of Bollinger Bands
  45. 2020Constructing selectable volatility and moving-average bands
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