INSIGHTS · MARKET

Breadth and TSS — Why Pass Rate Is Not the Market Score

2026-07-01 · Updated 2026-10-05 · Market

Breadth summarizes how widely a chosen condition occurs within a chosen universe. Define both first. A rising index, the share rated RS 70 or higher, and an eight-condition pass rate measure different things.

Calculate dated denominators

On 2026-10-02, 523 of 4,809 screened U.S. stocks passed: 10.88%. Korea had 90 of 2,436: 3.69%. These are the site's analyzed stocks, not all listed securities. The U.S. price floor, Korean universe rules and history requirements differ. These percentages cannot by themselves compare expected national-market returns.

TSS is not the pass rate

U.S. TSS was 36.2 and Korean TSS 48.1. TSS combines breadth, industry flow and index trend under the site's rules. A lower Korean pass rate alongside a higher TSS is not a contradiction: the measures aggregate different inputs. A boundary such as 59 describes a display regime, not a tested increase in breakout win rates.

Count and concentration

Regional banks supplied 55 of 523 U.S. passers, or 10.52%. Semiconductor equipment supplied 12 of 90 Korean passers, or 13.33%. Those are concentrations within the pass list. An industry's pass rate needs all analyzed stocks in that industry as denominator. The largest passer count does not imply the highest industry return.

Conditions for time comparisons

Use consistent filters and denominator rules across dates. Listings, recovered data and reclassifications can change ratios without a price-driven improvement. This one-date sample contains no subsequent returns and cannot identify an optimal trading regime. Read the dashboard's component measures and date alongside its total score.

Data and corrections

See the methodology for calculation rules and the 2026-10-02 signal-disagreement study for the frozen sample. Report a date and URL through contact when you find an error.

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