FSP vs RSP: Correlation
Measured on weekly returns over the past three years, Franklin Street Properties Corp. (FSP) and Invesco S&P 500 Equal Weight ETF (RSP) carry a correlation of 0.47, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FSP and RSP?
On 3 years of weekly data the FSP/RSP correlation comes out at 0.47, moderate. Little has changed lately, as the 1-year reading of 0.45 lands near the 3-year figure. The 5-year figure is 0.38, and annualized covariance runs at 293.0 %².
Among the 10 assets we track against FSP, RSP ranks #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with RSP ahead by 93.8 points (-74.6% versus +19.2%). Note the risk asymmetry: FSP runs 3.6 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
FSP vs RSP: side by side
| FSP (Franklin Street Properties Corp.) | RSP (Invesco S&P 500 Equal Weight ETF) | |
|---|---|---|
| 1-year return | -74.6% | +19.2% |
| 5-year return | -89.6% | +53.9% |
| Volatility (ann.) | 47.1% | 13.2% |
| Beta vs S&P 500 | 1.01 | 0.77 |
| Max drawdown (3Y) | -83.8% | -17.8% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 4.79% | 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 | FSP | RSP |
|---|---|---|
| 2022 | -52.3% | -11.6% |
| 2023 | -4.1% | +13.7% |
| 2024 | -27.0% | +12.8% |
| 2025 | -46.8% | +11.2% |
| 2026 | -56.2% | +16.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FSP and RSP good diversifiers for each other?
Reasonably. At 0.47, FSP and RSP keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between FSP and RSP?
Using weekly returns as of 2026-08-27: 0.47 over 3 years, with 0.45 over the last year and 0.38 over 5 years.
Is RSP a good diversifier for FSP?
Reasonably. At 0.47, FSP and RSP keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.47 mean?
A reading of 0.47 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/fsp-vs-rsp.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/fsp-vs-rsp/)
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Related comparisons
Hubs: FSP correlations · RSP correlations
