Reaction length as a trend integrity test

Trend or consolidation

Editorial reading: in a trending market, time each pullback against a three-to-four-bar clock. Keep the trend-following stance only while that clock and the prior swing structure hold. Treat a broken clock, paired highs or lows, or a later unconfirmed new extreme as the next falsifiable test, not as separate chart opinions.

The teaching frame treats stock and commodity price action as only two states, trend or consolidation. That state is read on daily, weekly, and monthly charts.

Keep the stance only while the clock holds

Trend-following here means staying with the prevailing directional move while countertrend reactions remain inside the stated time window, and standing aside or reversing when the window or a prior swing extreme is broken.

On the S&P 500 daily sequence that begins on 31 December 1986, early reactions of one to three days, including support on the third down day, were treated as leaving the strong uptrend intact. The run of higher highs and higher lows was left in place.

A later two-day reaction that exceeded prior reactions in points was flagged as price-overbalance, a magnitude warning inside an otherwise intact trend. A double-top-bottom formed by those two matched reaction lows still kept the trend classified as intact.

After a two-day pause and a four-day advance, an outside-reversal-day coinciding with paired highs was treated as a bearish double-top-bottom. An outside-reversal-day prints a higher high and a lower low and finishes on the low. The following six-day decline marked the original powerful uptrend as finished.

Continuation until the window or the swing breaks

In the S&P 500 advance from the 20 May 1987 low, reactions of two to four days were treated as continuation. When a later swing low broke and the correction ran past the fourth day, the uptrend was judged over and consolidation underway.

In the IBM decline from the September 1987 highs, a one-day bounce, later three-day bounces, and the absence of any upward reaction longer than four days were treated as continuation of a powerful downtrend.

A new high after a long correction

The reaction-timing map is offered as a testable trend-following procedure. The explicit limit is that a market can correct for more than four days and still make a new high.

When a new high appears after a correction longer than four days, momentum measures are expected to fail to make a matching new high. The episode becomes a divergence check rather than automatic trend continuation.

Editorial reading: a broken correction-window, a double-top-bottom, and a later unconfirmed extreme belong in one sequence. Each is the next falsifiable test of the same trend-following stance.