Market Breadth

Market breadth is a technical analysis technique that gauges the strength or weakness of moves in a major index.

Supported index ETF: SPY, NDX, DIA, IWM, OEF, MDY, IWB, IWV.
Supported sector index ETF: XLK, XLC, XLY, XLP, XLV, XLU, XLF, XLRE, XLE, XLB, XLI.