VOO vs SSO ETF Comparison

Vanguard S&P 500 ETF (VOO): S&P 500 index. ProShares - Ultra S&P500 (SSO): 2x daily S&P 500 exposure.

38% of VOO is its ten largest holdings.

79% of SSO is already inside VOO.

100% of VOO is already inside SSO.

Overlap by weight: 78.7%.

As of August 2026, ETF Copilot compares VOO vs SSO on Value, Growth, Quality, and Risk.

Updated August 2026

  1. Vanguard S&P 500 ETF (VOO) — ETF Copilot score 5.5/10 · top 10 holdings 38% of assets · Tech 45%, Magnificent 7 33%
  2. ProShares - Ultra S&P500 (SSO) — ETF Copilot score 4.9/10

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