ARKK vs TDOC: Correlation
How closely do ARK Innovation ETF (ARKK) and Teladoc Health, Inc. (TDOC) trade together? Their weekly returns over three years give a correlation of 0.53, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARKK and TDOC?
On 3 years of weekly data the ARKK/TDOC correlation comes out at 0.53, moderate. Little has changed lately, as the 1-year reading of 0.57 lands near the 3-year figure. The 5-year figure is 0.68, and annualized covariance runs at 1192.6 %².
Among the 122 assets we track against ARKK, TDOC ranks #52 by 3-year correlation. The last year tells two different stories: ARKK led by 33.5 percentage points, +15.7% for ARKK against -17.8% for TDOC.
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 TDOC: side by side
| ARKK (ARK Innovation ETF) | TDOC (Teladoc Health, Inc.) | |
|---|---|---|
| 1-year return | +15.7% | -17.8% |
| 5-year return | -27.7% | -95.6% |
| Volatility (ann.) | 38.8% | 58.1% |
| Beta vs S&P 500 | 2.07 | 1.55 |
| Max drawdown (3Y) | -39.6% | -80.5% |
| Market cap | – | $1.2B |
| P/E (trailing) | – | – |
| Dividend yield | – | 0.00% |
| Sector / category | ETF · Thematic | US Listed |
Year-by-year returns
| Year | ARKK | TDOC |
|---|---|---|
| 2022 | -67.0% | -74.2% |
| 2023 | +69.0% | -8.9% |
| 2024 | +8.4% | -57.8% |
| 2025 | +35.5% | -23.0% |
| 2026 | +13.6% | -9.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARKK and TDOC good diversifiers for each other?
Somewhat, no more. With 0.53 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ARKK and TDOC?
As of 2026-08-27, the correlation of weekly returns between ARKK and TDOC is 0.53 over 3 years, 0.57 over 1 year and 0.68 over 5 years.
Is TDOC a good diversifier for ARKK?
Somewhat, no more. With 0.53 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.53 mean?
A reading of 0.53 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: ARKK correlations · TDOC correlations
