RXST vs SPG: Correlation
How closely do RxSight, Inc. (RXST) and Simon Property Group (SPG) trade together? Their weekly returns over three years give a correlation of 0.41, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RXST and SPG?
On 3 years of weekly data the RXST/SPG correlation comes out at 0.41, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.26 versus 0.41 over 3 years. The 5-year figure is 0.27, and annualized covariance runs at 608.1 %².
In RXST's tracked universe of 12 assets, SPG sits right near the top at #3. The last year tells two different stories: SPG led by 49.0 percentage points, -22.7% for RXST against +26.3% for SPG. One caveat on sizing: RXST is 2.9 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.
RXST vs SPG: side by side
| RXST (RxSight, Inc.) | SPG (Simon Property Group) | |
|---|---|---|
| 1-year return | -22.7% | +26.3% |
| 5-year return | -57.2% | +110.2% |
| Volatility (ann.) | 65.8% | 22.7% |
| Beta vs S&P 500 | 1.40 | 0.79 |
| Max drawdown (3Y) | -92.9% | -24.3% |
| Market cap | $0.3B | $81.6B |
| P/E (trailing) | – | 15.2 |
| Dividend yield | 0.00% | 4.05% |
| Sector / category | US Listed | Real Estate |
Year-by-year returns
| Year | RXST | SPG |
|---|---|---|
| 2022 | +12.6% | -21.9% |
| 2023 | +218.2% | +29.2% |
| 2024 | -14.7% | +26.9% |
| 2025 | -69.7% | +12.9% |
| 2026 | -36.6% | +18.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RXST and SPG good diversifiers for each other?
A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between RXST and SPG?
The RXST/SPG correlation stands at 0.41 on a 3-year window (1 year: 0.26, 5 years: 0.27), computed from weekly returns as of 2026-08-27.
Is SPG a good diversifier for RXST?
A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.41 mean?
A reading of 0.41 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/rxst-vs-spg.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/rxst-vs-spg/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: RXST correlations · SPG correlations
