PairBook
HomeCRDF › CRDF vs VANI

CRDF vs VANI: Correlation

How closely do Cardiff Oncology, Inc. (CRDF) and Vivani Medical, Inc. (VANI) trade together? Their weekly returns over three years give a correlation of 0.44, which is moderate.

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

Correlation (3Y)
0.44
moderate
Correlation (1Y)
0.29
last 12 months
Correlation (5Y)
0.36
long-run
Ann. covariance
5481.1
%² · weekly, annualized

How correlated are CRDF and VANI?

Across a 3-year window, the weekly returns of CRDF and VANI correlate at 0.44, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.29 versus 0.44 over 3 years. Stretching to 5 years gives 0.36, with an annualized covariance of 5481.1 %².

VANI is one of the assets that tracks CRDF most closely: it ranks #3 out of the 13 assets we track against CRDF. The last year tells two different stories: VANI led by 69.4 percentage points, -54.6% for CRDF against +14.8% for VANI.

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.

CRDF vs VANI: side by side

CRDF (Cardiff Oncology, Inc.)VANI (Vivani Medical, Inc.)
1-year return-54.6%+14.8%
5-year return-86.7%-87.4%
Volatility (ann.)100.0%123.8%
Beta vs S&P 5001.601.29
Max drawdown (3Y)-86.3%-77.8%
Market cap$0.1B$0.1B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: VANI -77.8% vs -86.3%Higher 5y return: CRDF -86.7% vs -87.4%
-62%0%+46%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CRDF · VANI

Year-by-year returns

YearCRDFVANI
2022-76.7%-82.6%
2023+5.7%+20.0%
2024+193.2%+13.7%
2025-35.3%+6.0%
2026-64.9%+13.8%

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

Are CRDF and VANI good diversifiers for each other?

A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between CRDF and VANI?

The CRDF/VANI correlation stands at 0.44 on a 3-year window (1 year: 0.29, 5 years: 0.36), computed from weekly returns as of 2026-08-27.

Is VANI a good diversifier for CRDF?

A fair diversifier. At 0.44, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.44 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

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

CRDF vs VANI: 3-year weekly correlation 0.44CRDF vs VANI0.44

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

[![CRDF vs VANI correlation](https://www.pairbook.io/api/v1/badge/crdf-vs-vani.svg)](https://www.pairbook.io/pair/crdf-vs-vani/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: CRDF correlations · VANI correlations