RSP vs VTI: Correlation & Overlap
How closely do Invesco S&P 500 Equal Weight ETF (RSP) and Vanguard Total Stock Market ETF (VTI) trade together? Their weekly returns over three years give a correlation of 0.88, which is very strong. The two funds also share 41.4% of their portfolios by weight.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RSP and VTI?
On 3 years of weekly data the RSP/VTI correlation comes out at 0.88, very strong, meaning they move nearly in lockstep. The past 12 months show a weaker link (0.77) than the 3-year average (0.88). The 5-year figure is 0.93, and annualized covariance runs at 169.3 %².
Within RSP's tracked universe of 250 assets, VTI comes in at #14 by 3-year correlation. Neither side won the trailing year by much: +19.2% against +20.7%. The link looks structural: the rolling one-year correlation barely moved, holding between 0.76 and 0.96.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
RSP vs VTI: side by side
| RSP (Invesco S&P 500 Equal Weight ETF) | VTI (Vanguard Total Stock Market ETF) | |
|---|---|---|
| 1-year return | +19.2% | +20.7% |
| 5-year return | +53.9% | +74.8% |
| Volatility (ann.) | 13.2% | 14.6% |
| Beta vs S&P 500 | 0.77 | 1.01 |
| Max drawdown (3Y) | -17.8% | -19.3% |
| Dividend yield | 1.49% | 1.06% |
| Expense ratio | 0.20% | 0.03% |
| Assets under management | $97.3B | $2,290.0B |
| Sector / category | ETF · US Large Cap | ETF · US Large Cap |
RSP is a Large Blend fund from Invesco: $97.3B under management, 505 holdings, a 0.20% expense ratio, a 1.49% trailing dividend yield. VTI, Vanguard's Large Blend fund, carries $2,290.0B under management, 3140 holdings, a 0.03% expense ratio, a 1.06% trailing dividend yield.
Portfolio overlap between RSP and VTI
The two portfolios overlap heavily. Weighing the shared positions, 41.4% of the two funds is identical, spread across 500 common holdings. That shared book is a large part of why the returns line up.
| Common holding | Weight in RSP | Weight in VTI |
|---|---|---|
| PLTR | 0.25% | 0.37% |
| ANET | 0.25% | 0.27% |
| TMO | 0.24% | 0.30% |
| AMGN | 0.24% | 0.29% |
| PANW | 0.24% | 0.38% |
| MRK | 0.24% | 0.45% |
| ABT | 0.24% | 0.26% |
| MSFT | 0.23% | 4.80% |
| SCHW | 0.23% | 0.24% |
| MA | 0.23% | 0.63% |
| GILD | 0.23% | 0.23% |
| RTX | 0.22% | 0.40% |
| V | 0.22% | 0.83% |
| CRWD | 0.22% | 0.26% |
| ABBV | 0.22% | 0.62% |
Largest positions held only by RSP: AMCR (0.23%), LWEU6 (0.21%), VMRK (0.18%), NXPI (0.15%), AGPXX (0.12%). Only by VTI: SNOW (0.13%), NET (0.12%), SPCX (0.09%), BE (0.08%), LNG (0.08%).
Overlap = sum of the smaller of the two weights across common holdings, from issuer disclosures as of 2026-08-26. Top 15 common positions shown.
Year-by-year returns
| Year | RSP | VTI |
|---|---|---|
| 2022 | -11.6% | -19.5% |
| 2023 | +13.7% | +26.0% |
| 2024 | +12.8% | +23.8% |
| 2025 | +11.2% | +17.1% |
| 2026 | +16.5% | +14.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RSP and VTI good diversifiers for each other?
No: a correlation of 0.88 means RSP and VTI tend to fall together, which is precisely when diversification is supposed to help. They also hold much of the same portfolio (41.4% overlap), so the exposure is doubly redundant.
FAQ
What is the correlation between RSP and VTI?
As of 2026-08-27, the correlation of weekly returns between RSP and VTI is 0.88 over 3 years, 0.77 over 1 year and 0.93 over 5 years.
Is VTI a good diversifier for RSP?
No: a correlation of 0.88 means RSP and VTI tend to fall together, which is precisely when diversification is supposed to help. They also hold much of the same portfolio (41.4% overlap), so the exposure is doubly redundant.
How much do RSP and VTI overlap?
Per the issuers' own portfolio disclosures (2026-08-26), the overlap is 41.4% by weight over 500 common positions.
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Related comparisons
Hubs: RSP correlations · VTI correlations
