1993issue C011-4
Specifying the stock-bond yield gap as a hold-or-abstain regime
Editorial reading: a weekly stock-bond yield gap is only a spread until the four-week smoother, the 26-week self-comparison, and the plus-or-minus 0.20 flip thresholds are written as one mechanical hold-or-abstain procedure.
- The weekly stock-bond yield gap is the Dow Jones Industrial Average dividend yield minus the best-grade corporate bond yield, so a 3 percent equity yield against an 8 percent bond yield equals -5.00.
- The construction follows the trend of a four-week moving average rather than the spread’s absolute level, and measures that trend with a lagged-average comparison 26 weeks apart.
- A hysteresis grade is favorable at +0.20 or higher and unfavorable at -0.20 or lower, and it stays in force until the opposite 0.20-point threshold is reached.
- The hold-or-abstain rule keeps an equity-index position only while the grade is favorable; few of the resulting signals coincide with major market turning points, and the write-up says not to use the construction as a standalone decision rule.
A spread is not yet a regime
The stock-bond yield gap is the weekly difference between the Dow Jones Industrial Average dividend yield and the best-grade corporate bond yield. When the equity yield is 3 percent and the best-grade bond yield is 8 percent, that weekly spread equals -5.00.
Editorial reading: a signed weekly gap of that kind is still only an input. It becomes a testable hold-or-abstain regime only after the four-week smoother, the 26-week self-comparison, and the plus-or-minus 0.20 flip thresholds are written as one mechanical procedure.
Smoother and lagged-average comparison
The construction treats the trend of a four-week moving average of the spread as more important than the spread’s absolute level. That four-week moving average is the simple average of the four most recent weekly gap readings.
Trend state is a lagged-average comparison: the current four-week average minus the four-week average from 26 weeks earlier.
Grade, flip thresholds, and the hold-or-abstain rule
A lagged-average difference of +0.20 or higher assigns a favorable equity-market grade. A difference of -0.20 or lower assigns an unfavorable grade. Each hysteresis grade stays in force until the opposite 0.20-point threshold is later reached.
The hold-or-abstain rule holds an equity-index position only while the grade is favorable and stays out while the grade is unfavorable.
Editorial reading: the closed object is this finished procedure, not a claim that the raw yield gap itself marks major turns.
All readings on this track · 33 readings
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- 2005Four technology sleeves on one weekly regime map
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- 2013Yield curve shapes as stock market regime context
- 2013Yield spreads as country-specific equity regime context
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