Market Breadth
Strong vs Weak Stock Index
Every stock is ranked 1-99 by weighted relative price strength (RPS). The red line is the share of strong stocks (RPS 80+), the blue line the share of weak stocks (RPS 20-). When blue crosses above red, market leadership is turning down.
Intermarket · Dollar / Yields / Commodities
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A rising dollar and spiking yields usually pressure equity valuations; gold and VIX rising together signal risk-off. Read alongside breadth. 1-month sparklines, delayed data.
Building the strong/weak index…
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RPS is a weighted price-performance rank: 40% three-month, 20% each for six, nine and twelve-month performance, ranked against every listed stock in the same market. Updated daily after the close from our own end-of-day price database.