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2006issue C071-5

Constructing a Wilson relative price channel from a range-bound strength index

This archive article reconstructs a same-scale overlay that remaps a range-bound relative strength index of closing-price disparity onto the price chart. Thresholds become movable channel cords, so channel position is read against price rather than against a separate percentage pane.

  • The construction remaps a range-bound relative strength index of closing-price disparity onto the price chart so strength is read on the same scale as price.
  • Three illustrated closes near a conventional 70 overbought reading are treated as evidence that a fixed 70 line is relative to a changing dollar value.
  • Overlaying the default index on price without merging scales is used to show that the oscillator often tracks the path of closes, so separate-pane confirmation can be circular.
  • Classic divergence is reframed as a mismatch between price and the dynamic overbought or oversold region, not as a comparison with a separate oscillator plot.
Entries in this reading3 entries
Current trackPrice channel77 readingsPrice-indicator divergence142 readingsRelative Strength Index186 readings

Start from the range-bound index

The construction starts from a range-bound relative strength index of closing-price disparity and remaps that index onto the price chart. Strength is then read on the same scale as price rather than in a separate percentage pane.

In this workflow the relative strength index is a bounded oscillator of successive closes. The construction maps it onto price so threshold levels become movable channel cords instead of a fixed 0-100 pane.

A fixed 70 line against changing dollar value

On one illustrated series, three closes of 64.75, 41.99, and 46.90 all sit near a conventional 70 overbought reading. The construction treats that cluster as evidence that a fixed 70 line is relative to a changing dollar value.

Boeing weekly close at the conventional RSI 70 marks

The same conventional 70 percent RSI reading sits against three different Boeing weekly closes, so a fixed overbought line is not a fixed dollar value. The three prices are the weekly closes Wilson states in the text for the circled dates on the Boeing chart.
The same conventional 70 percent RSI reading sits against three different Boeing weekly closes, so a fixed overbought line is not a fixed dollar value. The three prices are the weekly closes Wilson states in the text for the circled dates on the Boeing chart.BA · Weekly · 2000-09-01T00:00:00.000Z to 2004-06-04T00:00:00.000Z

Wilson treats 70 as the default overbought cutoff of classic RSI and marks only these three weeks as the circled examples.

Why a separate pane can be circular

Overlaying the default relative strength index on price without merging scales is used to show that the oscillator often tracks the closing-price path. The construction presents that tracking as a reason separate-pane confirmation can be circular.

The oscillator is treated as a rippled reflection of closes rather than an independent strength gauge.

Divergence against a dynamic region

The construction reframes classic price-versus-oscillator divergence as a comparison between price and the dynamic overbought or oversold region. Divergence here means a mismatch between the path of price and the path of the remapped strength bands.

A true mismatch is one against that dynamic overbought or oversold region, not against a separate oscillator plot.

Cords, bands, and a neutral zone

The resulting Wilson relative price channel is drawn with upper and lower cords that define a bullish band, a bearish counterpart, and a central neutral zone on the price chart.

That price channel is a pair of bullish and bearish bands drawn from the remapped strength index, with the upper and lower cords framing the neutral zone.

One illustrated advance inside the bullish band

In one channel example, a move from a 20.25 close on 11 May 2004 is described as developing inside the bullish band through two consolidations. The later March to April 2005 pause sits in the middle-to-upper bullish band.

The same example treats a weekly close of 26.10 on 8 July 2005 that penetrates the upper cord of the bullish band as the point where that illustrated advance is judged complete.

What changes versus a separate pane

The stated construction difference versus a classic separate-pane index is visual use of relative values on price. Channel position can then be checked against surrounding trend development rather than against a static overbought line.

Educational research material, not investment advice. Historical source context does not establish present-day performance.
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20071-5 pp.Next on Price channelRange bars change when a Bollinger squeeze counts as a breakoutRange bars keep a fixed high-to-low span and start a new bar only when a tick finishes outside that span, so the horizontal axis no longer tracks clock time.
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