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AI vs CDXS: Correlation

How closely do C3.ai, Inc. (AI) and Codexis, Inc. (CDXS) trade together? Their weekly returns over three years give a correlation of 0.56, which is moderate.

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

Correlation (3Y)
0.56
moderate
Correlation (1Y)
0.55
last 12 months
Correlation (5Y)
0.46
long-run
Ann. covariance
3276.8
%² · weekly, annualized

How correlated are AI and CDXS?

Across a 3-year window, the weekly returns of AI and CDXS correlate at 0.56, moderate. Little has changed lately, as the 1-year reading of 0.55 lands near the 3-year figure. Stretching to 5 years gives 0.46, with an annualized covariance of 3276.8 %².

Few assets follow AI as closely as CDXS, which ranks #2 of 15 tracked partners. Twelve-month performance is nearly a tie, at -40.3% for AI and -37.8% for CDXS.

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.

AI vs CDXS: side by side

AI (C3.ai, Inc.)CDXS (Codexis, Inc.)
1-year return-40.3%-37.8%
5-year return-79.8%-93.7%
Volatility (ann.)65.5%88.6%
Beta vs S&P 5002.092.44
Max drawdown (3Y)-81.9%-83.1%
Market cap$0.2B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: AI -81.9% vs -83.1%Higher 5y return: AI -79.8% vs -93.7%
-58%0%+23%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. AI · CDXS

Year-by-year returns

YearAICDXS
2022-64.2%-85.1%
2023+156.6%-34.5%
2024+19.9%+56.4%
2025-60.8%-65.8%
2026-23.4%+1.8%

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

Are AI and CDXS good diversifiers for each other?

To a limited degree. At 0.56 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 AI and CDXS?

Using weekly returns as of 2026-08-27: 0.56 over 3 years, with 0.55 over the last year and 0.46 over 5 years.

Is CDXS a good diversifier for AI?

To a limited degree. At 0.56 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 0.56 mean?

A reading of 0.56 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

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

AI vs CDXS: 3-year weekly correlation 0.56AI vs CDXS0.56

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Related comparisons

Hubs: AI correlations · CDXS correlations