CART vs COHR: Correlation
How closely do Maplebear Inc. (CART) and Coherent Corp. (COHR) trade together? Their weekly returns over three years give a correlation of 0.42, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CART and COHR?
Over the past 3 years, CART and COHR moved with a correlation of 0.42, which is moderate. The past 12 months show a weaker link (0.21) than the 3-year average (0.42). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 1090.5 %².
In CART's tracked universe of 11 assets, COHR sits right near the top at #2. The last year tells two different stories: COHR led by 209.0 percentage points, +16.6% for CART against +225.6% for COHR. One caveat on sizing: COHR 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.
CART vs COHR: side by side
| CART (Maplebear Inc.) | COHR (Coherent Corp.) | |
|---|---|---|
| 1-year return | +16.6% | +225.6% |
| 5-year return | n/a | +368.6% |
| Volatility (ann.) | 39.6% | 65.0% |
| Beta vs S&P 500 | 0.96 | 2.76 |
| Max drawdown (3Y) | -38.0% | -54.8% |
| Market cap | $11.7B | $57.8B |
| P/E (trailing) | 27.7 | 71.4 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | CART | COHR |
|---|---|---|
| 2022 | – | -48.6% |
| 2023 | – | +24.0% |
| 2024 | +76.5% | +117.6% |
| 2025 | +8.6% | +94.8% |
| 2026 | +12.2% | +60.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CART and COHR good diversifiers for each other?
Reasonably. At 0.42, CART and COHR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CART and COHR?
The CART/COHR correlation stands at 0.42 on a 3-year window (1 year: 0.21, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is COHR a good diversifier for CART?
Reasonably. At 0.42, CART and COHR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.42 mean?
A reading of 0.42 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/cart-vs-cohr.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cart-vs-cohr/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CART correlations · COHR correlations
