PairBook
HomeSMSI › SMSI vs TDOC

SMSI vs TDOC: Correlation

How closely do Smith Micro Software, Inc. (SMSI) and Teladoc Health, Inc. (TDOC) trade together? Their weekly returns over three years give a correlation of 0.33, which is moderate.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.33
moderate
Correlation (1Y)
0.29
last 12 months
Correlation (5Y)
0.31
long-run
Ann. covariance
1817.8
%² · weekly, annualized

How correlated are SMSI and TDOC?

On 3 years of weekly data the SMSI/TDOC correlation comes out at 0.33, moderate. Recent behaviour matches the longer record: 0.29 over 1 year against 0.33 over 3. The 5-year figure is 0.31, and annualized covariance runs at 1817.8 %².

By 3-year correlation, TDOC places #5 of the 11 assets tracked against SMSI. Twelve-month performance is nearly a tie, at -18.9% for SMSI and -17.8% for TDOC. One caveat on sizing: SMSI is 1.6 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.

SMSI vs TDOC: side by side

SMSI (Smith Micro Software, Inc.)TDOC (Teladoc Health, Inc.)
1-year return-18.9%-17.8%
5-year return-98.5%-95.6%
Volatility (ann.)94.7%58.1%
Beta vs S&P 5000.951.55
Max drawdown (3Y)-96.8%-80.5%
Market cap$1.2B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: TDOC -80.5% vs -96.8%Higher 5y return: TDOC -95.6% vs -98.5%
-40%0%+21%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. SMSI · TDOC

Year-by-year returns

YearSMSITDOC
2022-57.3%-74.2%
2023-60.5%-8.9%
2024-80.3%-57.8%
2025-58.8%-23.0%
2026+9.6%-9.1%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are SMSI and TDOC good diversifiers for each other?

Reasonably. At 0.33, SMSI and TDOC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between SMSI and TDOC?

As of 2026-08-27, the correlation of weekly returns between SMSI and TDOC is 0.33 over 3 years, 0.29 over 1 year and 0.31 over 5 years.

Is TDOC a good diversifier for SMSI?

Reasonably. At 0.33, SMSI and TDOC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.33 mean?

On the −1 to +1 scale, 0.33 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/smsi-vs-tdoc.json

SMSI vs TDOC: 3-year weekly correlation 0.33SMSI vs TDOC0.33

Embed this badge (it refreshes with the data), with attribution:

[![SMSI vs TDOC correlation](https://www.pairbook.io/api/v1/badge/smsi-vs-tdoc.svg)](https://www.pairbook.io/pair/smsi-vs-tdoc/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: SMSI correlations · TDOC correlations