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2003issue C071-6

Constructing a mechanical system from a rate of change condition

This brief treats construction as the work of turning a rate of change chart condition into one mechanical procedure for entry, exit, and abstention. Optimization stays inside that same procedure, bounded by rule inputs, market state, and execution constraints.

  • A mechanical trading system makes entry, exit, and abstention testable as one procedure.
  • Rate of change supplies a repeatable chart condition that can become a falsifiable trade hypothesis.
  • Construction has to name rule inputs, market state, and execution constraints together.
  • System optimization belongs inside that same procedure, not as a later add-on.
Entries in this reading3 entries
Current trackRate of Change50 readingsSystem optimization85 readingsMechanical trading system158 readings

Construction as one procedure

A mechanical trading system is built so that entry, exit, and abstention follow the same written procedure. Construction work names the rule inputs, the market state those rules may see, and the execution constraints that limit what can be done. The system holding period is the horizon against which that procedure is judged.

Rate of change as the hypothesis

Rate of change is used here as a chart condition taken from OHLC price structure and chart scale. Its horizon can run from intraday to several weeks. The construction task is to turn that repeatable condition into a falsifiable trade hypothesis, then fold the hypothesis into the system procedure rather than leave it as a separate visual call.

Optimization inside the same procedure

System optimization, in this construction setting, is not a second project. It is the same procedure applied to the assembled rules, still bounded by the stated inputs, market state, and execution constraints, and still judged over the system holding period.

KST procedure returns on S&P 500 by rule set

These five returns are the figures the article states after it turns the KST rate-of-change stack into one mechanical procedure. On the same daily S&P 500 window (February 2002–February 2003) the default 10-period signal line made 1.79 percent, moving that average to 12 inside the same rules made 18 percent, and buying and holding lost 21.47 percent. Repeating the procedure on weekly data (November 2000–February 2003) lost 23 percent; the monthly version (1994–2003) made 120 percent on two trades. A trader should see that construction is one procedure — the ROC condition, the signal-line input, and the time frame all live inside it — and that only the monthly run actually paid.
These five returns are the figures the article states after it turns the KST rate-of-change stack into one mechanical procedure. On the same daily S&P 500 window (February 2002–February 2003) the default 10-period signal line made 1.79 percent, moving that average to 12 inside the same rules made 18 percent, and buying and holding lost 21.47 percent. Repeating the procedure on weekly data (November 2000–February 2003) lost 23 percent; the monthly version (1994–2003) made 120 percent on two trades. A trader should see that construction is one procedure — the ROC condition, the signal-line input, and the time frame all live inside it — and that only the monthly run actually paid.S&P 500 · Daily / weekly / monthly as labeled · 1994-01-01T00:00:00.000Z to 2003-02-28T00:00:00.000Z

Daily fills were next-day open with $14.95 commission each way; the 18 percent run is the best of a 3-to-50 signal-line sweep. Weekly and monthly totals cover longer windows than the daily year and are not annualized (the article only notes that the monthly run annualized above 15 percent).

Educational research material, not investment advice. Historical source context does not establish present-day performance.
38 of 46 in the Rate of Change track
20031-2 pp.Next on Rate of ChangeConstructing momentum from two closes and spotting divergenceA simple momentum value is the latest close minus the close from n periods earlier.
All readings on this track · 46 readings
  1. 1985Constructing excess and momentum difference-curve oscillators
  2. 1988Five reading rules for smoothed indicator charts
  3. 1989Momentum overlays that speed moving-average oscillators
  4. 1990A laboratory template that constructs Rate of Change as a pane module
  5. 1991Volume-scaled rate of change as a momentum construction
  6. 1991Three-indicator market overview from tape, sentiment and rates
  7. 1991Three-component trend model with rate-of-change filters
  8. 1992A KST oscillator from a weighted rate-of-change stack
  9. 1992Four-window weighted rate-of-change composite
  10. 1992Constructing multi-span smoothed rate-of-change filters
  11. 1992Constructing a four-horizon summed rate of change
  12. 1992Constructing KST from four weighted smoothed rates of change
  13. 1992Constructing a composite from weighted smoothed rates of change
  14. 1992Three-horizon KST maturity alignment
  15. 1992Construct a bond-led dividend-to-bond-yield regime first
  16. 1992Constructing relative-strength KST from weighted rate-of-change
  17. 1993Constructing a volume oscillator from average ratios and smoothed rate of change
  18. 1994Gold as a cycle clock for commodities and yields
  19. 1994Constructing a composite from weighted, smoothed rate-of-change windows
  20. 1994Constructing gold-mining rate-of-change tripwires for Treasury bonds
  21. 1994A capacity-stress checklist across commodities, bonds, and breadth
  22. 1994Rate of change parameters for testable entries
  23. 1994Constructing rate-of-change midpoints, lookbacks and divergence
  24. 1994Lead oscillator breaks need price trendline confirmation
  25. 1994Nested averages for an annual momentum curve
  26. 1994Evaluating a Coppock-style rate of change as a bottom-regime filter
  27. 1995A weighted eleven-month Dow rate of change as one testable timing procedure
  28. 1996Named lookbacks, thresholds, and streaks for entry rules
  29. 1997A midpoint rate-of-change test for bond trend follow-through
  30. 1997Constructing a short-rate-adjusted equity momentum filter
  31. 1998Daily momentum rank-churn as a portfolio-construction problem
  32. 1999Constructing a lagged rate of change cycle system
  33. 2000A triple delay line then a one-bar elliptic oscillator
  34. 2001Confirming rate of change divergences with price
  35. 2001Momentum trendline breaks need price confirmation
  36. 2001Market breadth, On-balance volume, and Rate of Change as a combined timing framework
  37. 2001Know Sure Thing with stacked horizons and trendline confirmation
  38. 2003Constructing a mechanical system from a rate of change condition
  39. 2003Constructing momentum from two closes and spotting divergence
  40. 2003Formula choice tilts which momentum mismatches count as divergences
  41. 2004RSI and momentum agreement as an asymmetric filter
  42. 2005Constructing price-normalized moving-slope hybrids
  43. 2005Unsigned speed gates on a fixed average-cross pair
  44. 2007Rebuilding rate of change as a path-weighted oscillator
  45. 2008Construct Special K so short-horizon signals stay inside the primary trend
  46. 2013Restore volume balance before adding another price-time indicator
By fieldSystem design117 readingsBy year2003104 readings
All 50 readings tagged Rate of Change
Also on Rate of Change5 readings
1994Rate of change parameters for testable entries1996Named lookbacks, thresholds, and streaks for entry rules1999Constructing a lagged rate of change cycle system1985Constructing excess and momentum difference-curve oscillators1988Five reading rules for smoothed indicator charts