ARKK vs RBLX: Correlation
How closely do ARK Innovation ETF (ARKK) and Roblox Corporation (RBLX) trade together? Their weekly returns over three years give a correlation of 0.50, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARKK and RBLX?
On 3 years of weekly data the ARKK/RBLX correlation comes out at 0.50, moderate. Recent behaviour matches the longer record: 0.47 over 1 year against 0.50 over 3. The 5-year figure is 0.58, and annualized covariance runs at 1064.2 %².
Among the 122 assets we track against ARKK, RBLX ranks #65 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months ARKK outperformed by 84.6 percentage points (+15.7% for ARKK against -68.9% for RBLX).
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.
ARKK vs RBLX: side by side
| ARKK (ARK Innovation ETF) | RBLX (Roblox Corporation) | |
|---|---|---|
| 1-year return | +15.7% | -68.9% |
| 5-year return | -27.7% | -53.4% |
| Volatility (ann.) | 38.8% | 54.8% |
| Beta vs S&P 500 | 2.07 | 1.26 |
| Max drawdown (3Y) | -39.6% | -74.9% |
| Market cap | – | $27.3B |
| P/E (trailing) | – | – |
| Dividend yield | – | 0.00% |
| Sector / category | ETF · Thematic | US Listed |
Year-by-year returns
| Year | ARKK | RBLX |
|---|---|---|
| 2022 | -67.0% | -72.4% |
| 2023 | +69.0% | +60.6% |
| 2024 | +8.4% | +26.6% |
| 2025 | +35.5% | +40.0% |
| 2026 | +13.6% | -52.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARKK and RBLX good diversifiers for each other?
To a limited degree. At 0.50 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 ARKK and RBLX?
Using weekly returns as of 2026-08-27: 0.50 over 3 years, with 0.47 over the last year and 0.58 over 5 years.
Is RBLX a good diversifier for ARKK?
To a limited degree. At 0.50 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 0.50 mean?
A reading of 0.50 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/arkk-vs-rblx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/arkk-vs-rblx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ARKK correlations · RBLX correlations
