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2012issue C0278-81

MACD window tuning as hold-time control

The usual MACD series is the gap between a 12-period exponential average of the close and a 26-period exponential average of the close, with a 9-period signal-line for crosses. An editorial reading treats that published lookback-pair as a starting point: once exponential-smoothing is explicit, the same cross logic is hold-time control rewritten to a chosen horizon.

  • The usual MACD series is the gap between a 12-period exponential average of the close and a 26-period exponential average of the close, compared with a 9-period signal-line.
  • The lookback-pair sets how quickly the oscillator tracks a chosen hold horizon, and a longer-horizon variant uses a 25-period exponential average minus a 120-period exponential average.
  • A zero-line-cross is presented as one way to stretch the decision horizon relative to the conventional signal-line cross.
  • Knowing how exponential-smoothing and the seeding moving-average are built is framed as a way to avoid multicollinearity from stacked rules that repeat the same smoothed-price information.
Entries in this reading3 entries
Current trackMACD115 readingsExponential smoothing117 readingsMoving average449 readings

The usual MACD series

MACD is a price oscillator formed by subtracting a longer exponential average of the close from a shorter one, then comparing that difference with a signal average or with zero. The usual series is the gap between a 12-period exponential average of the close and a 26-period exponential average of the close. A 9-period exponential average of that MACD series is the conventional signal-line for crosses.

One standard reading treats MACD at or above its 9-period average as a buy condition and a drop through that average as a sell condition.

Standard MACD and 9-day signal on the S&P 500

On the S&P 500 the usual 12-minus-26 exponential-average gap recrosses up through its 9-day signal after the August 2007 washout (the marked buy) and recrosses down from the October 2007 peak (the marked sell) before the early-2008 slide. Point heights were read from the printed Figure 1 histogram and dashed overlay, not from a numeric table, so they are approximate.
On the S&P 500 the usual 12-minus-26 exponential-average gap recrosses up through its 9-day signal after the August 2007 washout (the marked buy) and recrosses down from the October 2007 peak (the marked sell) before the early-2008 slide. Point heights were read from the printed Figure 1 histogram and dashed overlay, not from a numeric table, so they are approximate.S&P 500 · December 2006 to May 2008 · 2006-12-01T00:00:00.000Z to 2008-05-31T00:00:00.000Z

Published lookbacks are a 12-day EMA minus a 26-day EMA of the close, with a 9-day EMA of that spread as the signal. Raster readings are trustworthy to about two index points. Month labels mark 2007 and 2008 year ticks; the plotted high near 1570 and low near 1270 fix the window as late 2006 through spring 2008.

Exponential-smoothing and the seeding moving-average

Exponential-smoothing is a recursive average that applies a weight equal to 2 divided by one plus the lookback to the latest close and the remainder to the prior average. For a 26-period window that weight is 0.075.

When no prior exponential average exists, the recursion is started from a simple moving-average of the same window. A moving-average is the ordered-price smoother used both to seed that exponential series and to set the two MACD lookbacks.

Horizon choices around the same cross logic

The lookback-pair is the two exponential-window lengths that set how quickly the oscillator tracks a chosen hold horizon. Replacing the signal-line cross with a zero-line-cross is presented as one way to stretch the decision horizon. A zero-line-cross is a slower alternative trigger that fires when the MACD difference changes sign.

Default MACD settings can flip during sideways price action even when the intended use is only larger trend turns. A longer-horizon variant replaces the default pair with a 25-period exponential average minus a 120-period exponential average.

Avoiding repeated smoothed-price rules

Knowing how each component is built is framed as a way to avoid stacking rules that repeat the same smoothed-price information. That overlap is multicollinearity: redundant overlap that appears when several rules are built from the same family of smoothed-price inputs.

Educational research material, not investment advice. Historical source context does not establish present-day performance.
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201253-61 pp.Next on MACDCombining a moving-average crossover with MACD and support-resistanceA moving-average crossover is used here as a directional hypothesis, not as a standalone entry.
All readings on this track · 80 readings
  1. 1988Rebuild MACD-Mo and MACD-H before treating them as signals
  2. 1989Four-span MACD lookbacks as perishable parameters
  3. 1989Weekly then daily MACD confirmation on individual stocks
  4. 1991Regime-gated MACD and stochastic rules inside a checklist
  5. 1991Constructing MACD signal lines and divergence tests
  6. 1991MACD parameter order and cycle phase lag
  7. 1992Lengthened bond MACD as an equity regime filter
  8. 1992Long-horizon MACD construction from paired exponential averages
  9. 1993Constructing a signed ten-point trend filter
  10. 1994Constructing lag-reduced double exponential averages for MACD
  11. 1994Seeding DEMA2 filters to build a MACD signal
  12. 1994Constructing MACD from lag-reduced exponential averages
  13. 1994TEMA1 from nested exponential averages, then a two-horizon MACD
  14. 1994Constructing entry and exit on a relative-strength MACD
  15. 1994Constructing a relative-strength MACD crossover spreadsheet
  16. 1995Consensus presignal filters for Relative Strength Index, MACD and the Stochastic oscillator
  17. 1997Confirm the MACD turn with price, then exit on the histogram
  18. 1997Reconstructing a stochastic oscillator, MACD, and a triple-smoothed oscillator
  19. 1997Moving-average windows before crossovers and MACD
  20. 1999Second-stage MACD on relative-strength inputs
  21. 1999Constructing MACD from exponential-average spreads for crossover and divergence
  22. 1999Coding candlesticks into numeric indicators
  23. 2001Second-low confirmation with a percentage oscillator and money-flow filter
  24. 2001Constructing MACD from exponential average spreads and a signal line
  25. 2002Separate bounded and trend-following oscillator rules
  26. 2002Sort the regime before assigning MACD and stochastic jobs
  27. 2002Building classic divergence filters from RSI and MACD
  28. 2002Weekly highs and lows as trend gates
  29. 2002Constructing channel-normalized Fisher reversal signals
  30. 2002Affine-price and the Fisher transform as a constructed companion to MACD
  31. 2003Regularized EMA construction with a MACD line and a thrust oscillator
  32. 2003Curvature-penalized exponential averages versus MACD
  33. 2003MACD, moving averages, and a trend filter as one timing system
  34. 2003Fractional MACD and linear-regression reversal construction
  35. 2004Weekly MACD-histogram timing of bear-market rallies
  36. 2004Candlestick triggers filtered by MACD divergence
  37. 2004Staging energy-complex tops with trendline, breakout, and MACD
  38. 2005Selling climax holds versus fails
  39. 2006Treat a sideways Wave as permission before a breakout
  40. 2007MACD with a Stochastic oscillator for spotting trend reversals
  41. 2007Rebuilding an S&P 500 fifth-wave count after a broken target
  42. 2007Constructing MACD, RSI, and stochastic confirmation for futures
  43. 2007MACD histogram divergence needs a confirming close
  44. 2007Write the plan as a stack: ratio, boundary, then oscillators
  45. 2008MACD divergence and Stochastic oscillator confirmation on lumber futures
  46. 2008Assign confirmation, timing, and a stop before a currency pair is tested
  47. 2008Confirm the ten-bagger launch path before the MACD exit
  48. 2008Reading the offloaded evidence file
  49. 2008A Leader companion for MACD direction warnings
  50. 2008Relative strength exits with MACD averages and RSI
  51. 2008Assign one job per indicator in a three-screens rule set
  52. 2008Sequencing RSI, MACD, and average crossovers
  53. 2010Constructing the Schaff Trend Cycle from MACD and a dominant-cycle window
  54. 2010Schaff Trend Cycle as a MACD and Stochastic oscillator combination
  55. 2010Combining Relative Strength Index, the stochastic oscillator, and MACD as slope filters
  56. 2010Short-term wave and ratio clues without direction calls
  57. 2010A precise pullback entry and an unplanned profit-protection exit
  58. 2010Filtering MACD false signals with trendline breaks
  59. 2011Vendor feeds as an input variable in a MACD evaluation
  60. 2012Out-of-the-money versus in-the-money option sensitivity to implied volatility
  61. 2012MACD window tuning as hold-time control
  62. 2012Combining a moving-average crossover with MACD and support-resistance
  63. 2012Testing a published MACD entry with a histogram and signal-line agreement filter
  64. 2012Treat sample systems as a lab before live rules
  65. 2013Constructing moving averages and MACD from one price series
  66. 2013The next-bar price that forces a MACD signal-line cross
  67. 2013Constructing next-bar MACD reversal prices
  68. 2013Constructing inverted MACD reversal prices
  69. 2014Shared-filter combinations of the stochastic oscillator, MACD, and RSI
  70. 2014Square-root lookbacks for combined MACD and RSI
  71. 2015Audit open interest and trend before trusting oscillator crossovers
  72. 2016MACD without a signal line, confirmed by moving-average trend filters
  73. 2016Use RSI, MACD, and a moving average as a market-health consensus
  74. 2016MACD line versus histogram is a display problem first
  75. 2017Weekly and daily MACD on a single daily chart
  76. 2017Weekly and daily MACD as a stacked momentum filter
  77. 2017Nested weekly and daily MACD from paired EMA spreads
  78. 2018Weekly and daily PPO scale versus MACD, with bounded RSI and stochastic readings
  79. 2018Constructing a weekly and daily percentage price oscillator
  80. 2020Constructing Wyckoff tape reading with MACD, moving-average, and RSI filters
By fieldIndicators and filters682 readingsBy year201281 readings
All 115 readings tagged MACD
Also on MACD5 readings
1991MACD parameter order and cycle phase lag1992Long-horizon MACD construction from paired exponential averages1994Constructing lag-reduced double exponential averages for MACD1994Constructing MACD from lag-reduced exponential averages1994TEMA1 from nested exponential averages, then a two-horizon MACD