MERC vs RSP: Correlation
Mercer International Inc. (MERC) and Invesco S&P 500 Equal Weight ETF (RSP) show a moderate relationship: their 3-year correlation of weekly returns is 0.42.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MERC and RSP?
On 3 years of weekly data the MERC/RSP correlation comes out at 0.42, moderate. Little has changed lately, as the 1-year reading of 0.36 lands near the 3-year figure. The 5-year figure is 0.35, and annualized covariance runs at 352.9 %².
Few assets follow MERC as closely as RSP, which ranks #2 of 11 tracked partners. Their recent paths diverged sharply: over the last 12 months RSP outperformed by 107.2 percentage points (-88.0% for MERC against +19.2% for RSP). One caveat on sizing: MERC is 4.8 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
MERC vs RSP: side by side
| MERC (Mercer International Inc.) | RSP (Invesco S&P 500 Equal Weight ETF) | |
|---|---|---|
| 1-year return | -88.0% | +19.2% |
| 5-year return | -96.1% | +53.9% |
| Volatility (ann.) | 63.1% | 13.2% |
| Beta vs S&P 500 | 1.38 | 0.77 |
| Max drawdown (3Y) | -96.2% | -17.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 1.49% |
| Expense ratio | – | 0.20% |
| Assets under management | – | $97.3B |
| Sector / category | US Listed | ETF · US Large Cap |
On the fund side, RSP sits in the Large Blend category at Invesco, with $97.3B under management, 505 holdings, a 0.20% expense ratio, a 1.49% trailing dividend yield.
Year-by-year returns
| Year | MERC | RSP |
|---|---|---|
| 2022 | -0.6% | -11.6% |
| 2023 | -15.7% | +13.7% |
| 2024 | -28.7% | +12.8% |
| 2025 | -68.5% | +11.2% |
| 2026 | -80.3% | +16.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MERC and RSP good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between MERC and RSP?
As of 2026-08-27, the correlation of weekly returns between MERC and RSP is 0.42 over 3 years, 0.36 over 1 year and 0.35 over 5 years.
Is RSP a good diversifier for MERC?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.42 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/merc-vs-rsp.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/merc-vs-rsp/)
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Related comparisons
Hubs: MERC correlations · RSP correlations
