IBKR vs SPYG: Correlation
How closely do Interactive Brokers (IBKR) and SPDR Portfolio S&P 500 Growth ETF (SPYG) trade together? Their weekly returns over three years give a correlation of 0.58, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IBKR and SPYG?
On 3 years of weekly data the IBKR/SPYG correlation comes out at 0.58, moderate. The relationship has been stable: the 1-year correlation (0.58) sits close to the 3-year figure. The 5-year figure is 0.53, and annualized covariance runs at 374.0 %².
Within IBKR's tracked universe of 32 assets, SPYG comes in at #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with IBKR ahead by 34.6 points (+57.0% versus +22.4%). This link changes with the market regime, having swung between 0.09 and 0.78 on a rolling one-year basis. Risk is not evenly split, since IBKR carries 1.8 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.
IBKR vs SPYG: side by side
| IBKR (Interactive Brokers) | SPYG (SPDR Portfolio S&P 500 Growth ETF) | |
|---|---|---|
| 1-year return | +57.0% | +22.4% |
| 5-year return | +516.0% | +85.9% |
| Volatility (ann.) | 33.9% | 18.9% |
| Beta vs S&P 500 | 1.37 | 1.25 |
| Max drawdown (3Y) | -38.7% | -22.1% |
| Market cap | $164.5B | – |
| P/E (trailing) | 38.5 | – |
| Dividend yield | 0.34% | 0.49% |
| Expense ratio | – | 0.04% |
| Assets under management | – | $52.2B |
| Sector / category | Financials | ETF · US Style |
SPYG is a Large Growth fund from State Street Investment Management: $52.2B under management, 148 holdings, a 0.04% expense ratio, a 0.49% trailing dividend yield.
Year-by-year returns
| Year | IBKR | SPYG |
|---|---|---|
| 2022 | -8.4% | -29.4% |
| 2023 | +15.1% | +30.0% |
| 2024 | +114.4% | +36.0% |
| 2025 | +46.4% | +22.1% |
| 2026 | +50.4% | +14.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
IBKR represents 0.12% of SPYG's portfolio, so part of any move in SPYG is IBKR itself, and the correlation between them is partly mechanical.
Are IBKR and SPYG good diversifiers for each other?
To a limited degree. At 0.58 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 IBKR and SPYG?
Using weekly returns as of 2026-08-27: 0.58 over 3 years, with 0.58 over the last year and 0.53 over 5 years.
Is SPYG a good diversifier for IBKR?
To a limited degree. At 0.58 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 0.58 mean?
A reading of 0.58 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/ibkr-vs-spyg.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ibkr-vs-spyg/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: IBKR correlations · SPYG correlations
