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IBKR vs MTUM: Correlation

Measured on weekly returns over the past three years, Interactive Brokers (IBKR) and iShares MSCI USA Momentum Factor ETF (MTUM) carry a correlation of 0.61, a strong link.

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

Correlation (3Y)
0.61
strong
Correlation (1Y)
0.61
last 12 months
Correlation (5Y)
0.57
long-run
Ann. covariance
424.0
%² · weekly, annualized

How correlated are IBKR and MTUM?

On 3 years of weekly data the IBKR/MTUM correlation comes out at 0.61, strong. The relationship has been stable: the 1-year correlation (0.61) sits close to the 3-year figure. The 5-year figure is 0.57, and annualized covariance runs at 424.0 %².

Few assets follow IBKR as closely as MTUM, which ranks #2 of 32 tracked partners. The last year tells two different stories: IBKR led by 31.8 percentage points, +57.0% for IBKR against +25.2% for MTUM. Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from 0.13 to 0.79. Note the risk asymmetry: IBKR runs 1.6 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past three years.
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 MTUM: side by side

IBKR (Interactive Brokers)MTUM (iShares MSCI USA Momentum Factor ETF)
1-year return+57.0%+25.2%
5-year return+516.0%+76.1%
Volatility (ann.)33.9%20.6%
Beta vs S&P 5001.371.25
Max drawdown (3Y)-38.7%-21.0%
Market cap$164.5B
P/E (trailing)38.5
Dividend yield0.34%0.62%
Expense ratio0.15%
Assets under management$25.3B
Sector / categoryFinancialsETF · US Style
Higher yield: MTUM 0.62% vs 0.34%Smaller drawdown: MTUM -21.0% vs -38.7%Higher 5y return: IBKR +516.0% vs +76.1%

MTUM is a Large Blend fund from iShares: $25.3B under management, 126 holdings, a 0.15% expense ratio, a 0.62% trailing dividend yield.

-3%0%+61%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. IBKR · MTUM

Year-by-year returns

YearIBKRMTUM
2022-8.4%-18.3%
2023+15.1%+9.1%
2024+114.4%+32.9%
2025+46.4%+22.1%
2026+50.4%+21.8%

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

Fund exposure

IBKR represents 0.17% of MTUM's portfolio, so part of any move in MTUM is IBKR itself, and the correlation between them is partly mechanical.

Are IBKR and MTUM good diversifiers for each other?

To a limited degree. At 0.61 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 MTUM?

As of 2026-08-27, the correlation of weekly returns between IBKR and MTUM is 0.61 over 3 years, 0.61 over 1 year and 0.57 over 5 years.

Is MTUM a good diversifier for IBKR?

To a limited degree. At 0.61 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 0.61 mean?

A reading of 0.61 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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IBKR vs MTUM: 3-year weekly correlation 0.61IBKR vs MTUM0.61

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Hubs: IBKR correlations · MTUM correlations