FoxScore

Metric guide

Trend Strength

Stability/“cleanliness” of a trend

Standalone ranking availableFoxScore methodology
Plain-language summary

What this metric tells you

Trend Strength measures how clean and consistent the recent trend has been, not just whether price ended higher. It rewards orderly persistence and penalizes messy back-and-forth movement.

Key takeaway

This metric is about trend quality. Two assets can post similar returns, but the one with the cleaner path will usually look stronger here.

FoxScore context

How FoxScore uses it

  • FoxScore uses Trend Strength to separate clean leadership from noisy headline winners.
  • It is one of the best supporting metrics for users who care about technical quality rather than only endpoint return.
  • The metric is especially powerful when read next to return and moving-average distance measures.

How to interpret this metric

What it measures

  • Whether the recent path looks like a steady trend rather than random chop.
  • How coherent the direction of the move has been over the recent window.
  • A quality overlay for return and price-vs-average metrics.

How to read it

  • Values near +1 mean a stable recent uptrend.
  • Values near 0 mean sideways, noisy, or unclear movement.
  • Values near -1 mean a stable recent downtrend rather than just one bad day.

What can mislead

  • Long-term compounding outside the recent window.
  • You mistake a clean downtrend for something positive just because the absolute value looks extreme.
  • You ignore bigger-cycle return and drawdown context.

Most useful when

  • You want to know whether a positive move is orderly enough to trust.
  • You are choosing between assets with similar returns but very different chart texture.
  • You want a compact trend-quality signal without reading a full chart manually.

Important limits

  • Long-term compounding outside the recent window.
  • How deep the worst drawdown was.
  • Whether the asset outperformed a benchmark specifically.
Methodology and sources

Technical definition, calculation notes and sources stay available here without dominating the explanation.

Description

Trend strength tries to measure how consistent a trend has been over roughly the last 90 days.

A steady rise without large back-and-forth moves looks “stronger” than a choppy path, even if the end return is similar.

The scale ranges from −1 to +1: near +1 indicates a stable uptrend, near −1 a stable downtrend. Values around 0 suggest sideways/unclear.

Calculation

  • 1) Look at the last 90 days (N = 90) and index time points: t_i = i for i = 1..N.
  • 2) y_i = ln(Price_i)
  • 3) trend_strength = corr(t, y)
  • 4) clip(trend_strength, −1, +1).

Interpretation

  • Higher is better (more upward trend stability).
  • Very low values can mean a clear downtrend - or high volatility with a falling underlying trend.

Metric ranking

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Related hubs

Continue into connected score and metric explanations.

  1. Scores

    Open related score explanations.

    Overall scorePerformanceStabilityTrend

  2. Metrics

    Open related metric explanations.

    Return 1 YearReturn (3y)Return (5y)Return (10y)Volatility (365d, annualized)Max Drawdown (365d)

Read together with

These related metrics add the context this metric cannot provide on its own.

Return 1 Year

Use Return 1 Year to see the size of the outcome that the trend quality delivered.

Price vs SMA 200

Use Price vs SMA 200 to see where price sits relative to a structural baseline while Trend Strength tells you how clean the move is.

Max Drawdown (365d)

Use Max Drawdown (365d) to test whether a clean recent trend still sits on top of painful recent damage.