NOW vs RBRK: Correlation
Measured on weekly returns over the past three years, ServiceNow (NOW) and Rubrik, Inc. (RBRK) carry a correlation of 0.64, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NOW and RBRK?
On 3 years of weekly data the NOW/RBRK correlation comes out at 0.64, strong. Recent behaviour matches the longer record: 0.71 over 1 year against 0.64 over 3. The 5-year figure is n/a, and annualized covariance runs at 1919.4 %².
Among the 54 assets we track against NOW, RBRK ranks #10 by 3-year correlation. The last year tells two different stories: RBRK led by 44.4 percentage points, -22.1% for NOW against +22.3% for RBRK.
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.
NOW vs RBRK: side by side
| NOW (ServiceNow) | RBRK (Rubrik, Inc.) | |
|---|---|---|
| 1-year return | -22.1% | +22.3% |
| 5-year return | +7.9% | n/a |
| Volatility (ann.) | 43.2% | 63.9% |
| Beta vs S&P 500 | 1.38 | 1.92 |
| Max drawdown (3Y) | -64.5% | -56.1% |
| Market cap | $143.1B | $22.0B |
| P/E (trailing) | 78.7 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | NOW | RBRK |
|---|---|---|
| 2022 | -40.2% | – |
| 2023 | +82.0% | – |
| 2024 | +50.1% | – |
| 2025 | -27.7% | +17.0% |
| 2026 | -9.6% | +39.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NOW and RBRK good diversifiers for each other?
To a limited degree. At 0.64 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between NOW and RBRK?
The NOW/RBRK correlation stands at 0.64 on a 3-year window (1 year: 0.71, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is RBRK a good diversifier for NOW?
To a limited degree. At 0.64 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.64 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/now-vs-rbrk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/now-vs-rbrk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: NOW correlations · RBRK correlations
