Holdings Overlap Analysis

Compare IOO holdings with another ETF to see how much they overlap. This helps identify portfolio duplication.

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Discover Portfolio Overlap

Enter a ETF symbol above to see how many holdings IOO shares with it. Popular comparisons: SPY, QQQ, VOO, VTI

IOO ETF Overlap Analysis

IOO overlap analysis compares holdings with other ETFs to identify shared positions. Overlapping holdings can lead to unintended concentration risk in a portfolio.

IOO portfolio overlap matters because owning multiple funds with the same underlying stocks reduces true diversification. With 117 holdings, IOO may share significant positions with broad-market funds.

IOO overlap tool lets you enter any other ETF ticker and see the exact overlap percentage and shared holdings. IOO tax-loss harvesting finds highly correlated but non-identical funds.

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IOO vs SPY IOO vs QQQ IOO vs VOO IOO vs VTI IOO vs IVV IOO vs SCHD IOO vs VYM IOO vs VXUS