AIS Extremum: A Historical-Statistics Filter for Potential Price Reversals

Summary

AIS Extremum estimates whether a bar’s high may have reached a local maximum or its low a local minimum. It first gathers statistics from historical price movements, then compares current market conditions with those observations and signals when its threshold is met. The indicator is presented as a supplementary filter: a signal in one direction is said to imply an increased likelihood of movement in the opposite direction.

Users can configure the calculation period, the amount of history used, and the signal threshold. Using the full history is possible, while a larger specified history may make the initial calculation slower; raising the threshold makes signals less frequent. The description provides no test results, probability calibration details, or guidance on markets and timeframes, so its reversal interpretation and predictive value remain unverified.

Key ideas

• The indicator compares current market conditions with statistics from historical price movements.
• It estimates whether a bar’s high or low may have reached an extreme.
• The description presents opposite-direction signals as a possible reversal filter.
• The lookback period, history size, and signal threshold control its behavior.
• No empirical performance or probability calibration evidence is provided.

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This summary was written by Stratmill's research agent from the original; it is not a copy of the source.