CRC vs IEF: Correlation
California Resources Corporation (CRC) and iShares 7-10 Year Treasury Bond ETF (IEF) show a negative relationship: their 3-year correlation of weekly returns is -0.25.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CRC and IEF?
Across a 3-year window, the weekly returns of CRC and IEF correlate at -0.25, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.39 versus -0.25 over 3 years. Stretching to 5 years gives -0.19, with an annualized covariance of -57.0 %².
Out of 13 assets tracked against CRC, IEF lands near the bottom at #11. The trailing year gives CRC the advantage: +8.5% versus +0.9%, a 7.6-point spread. Risk is not evenly split, since CRC carries 5.3 times the volatility of the other side.
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.
CRC vs IEF: side by side
| CRC (California Resources Corporation) | IEF (iShares 7-10 Year Treasury Bond ETF) | |
|---|---|---|
| 1-year return | +8.5% | +0.9% |
| 5-year return | +78.6% | -7.9% |
| Volatility (ann.) | 34.5% | 6.5% |
| Beta vs S&P 500 | 0.59 | 0.04 |
| Max drawdown (3Y) | -44.8% | -6.9% |
| Market cap | $4.7B | – |
| P/E (trailing) | – | – |
| Dividend yield | 3.05% | 3.96% |
| Expense ratio | – | 0.15% |
| Assets under management | – | $47.2B |
| Sector / category | US Listed | ETF · Bonds |
On the fund side, IEF sits in the Long Government category at iShares, with $47.2B under management, a 0.15% expense ratio, a 3.96% trailing dividend yield.
Year-by-year returns
| Year | CRC | IEF |
|---|---|---|
| 2022 | +3.7% | -15.2% |
| 2023 | +28.9% | +3.6% |
| 2024 | -2.6% | -0.6% |
| 2025 | -10.8% | +8.0% |
| 2026 | +20.0% | -0.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CRC and IEF good diversifiers for each other?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CRC and IEF?
The CRC/IEF correlation stands at -0.25 on a 3-year window (1 year: -0.39, 5 years: -0.19), computed from weekly returns as of 2026-08-27.
Is IEF a good diversifier for CRC?
Yes: at -0.25, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.25 mean?
On the −1 to +1 scale, -0.25 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
$ curl https://www.pairbook.io/api/v1/pairs/crc-vs-ief.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/crc-vs-ief/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CRC correlations · IEF correlations
