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RYCKX vs. BBMIX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

RYCKX vs. BBMIX

Last updated Jun 24, 2026

RYCKX (Rydex S&P MidCap 400 Pure Growth Fund) and BBMIX (BBH Select Series - Mid Cap Fund) are both Mid Cap Growth Equities funds. Over the past 5 years, RYCKX returned 6.05%/yr vs 2.80%/yr for BBMIX. Their correlation of 0.81 suggests significant overlap in exposure. RYCKX charges 2.26%/yr vs 0.90%/yr for BBMIX.

Performance

RYCKX vs. BBMIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rydex S&P MidCap 400 Pure Growth Fund (RYCKX) and BBH Select Series - Mid Cap Fund (BBMIX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, RYCKX achieves a 21.97% return, which is significantly higher than BBMIX's 2.86% return.

RYCKX

1D
0.80%
1M
4.65%
YTD
21.97%
6M
19.17%
1Y
33.08%
3Y*
17.84%
5Y*
6.05%
10Y*
8.92%

BBMIX

1D
0.00%
1M
0.00%
YTD
2.86%
6M
2.86%
1Y
-1.46%
3Y*
6.50%
5Y*
2.80%
10Y*
—
*Multi-year figures are annualized to reflect compound growth (CAGR)

RYCKX vs. BBMIX - Yearly Performance Comparison

2026 (YTD)20252024202320222021
RYCKX
Rydex S&P MidCap 400 Pure Growth Fund		21.97%6.61%15.10%13.97%-23.05%4.69%
BBMIX
BBH Select Series - Mid Cap Fund		2.86%-6.45%11.41%26.01%-24.76%13.50%

Correlation

The correlation between RYCKX and BBMIX is 0.44, which is low. Their price movements are largely independent, making them effective diversification partners.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.44

Correlation (3Y)
Calculated over the trailing 3-year period

0.74

Correlation (5Y)
Calculated over the trailing 5-year period

0.82

Correlation (All Time)
Calculated using the full available price history since May 24, 2021

0.81

Over the past year, the correlation between RYCKX and BBMIX has dropped to 0.44 - well below their long-term average of 0.81, suggesting their price drivers have been diverging.

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Rydex S&P MidCap 400 Pure Growth Fund

BBH Select Series - Mid Cap Fund

Often compared with RYCKX:
RYCKX vs. FCGSXRYCKX vs. VOORYCKX vs. FXAIXRYCKX vs. MGKRYCKX vs. SPYRYCKX vs. RYMIXRYCKX vs. RYRRX
Often compared with BBMIX:
BBMIX vs. BBIIXBBMIX vs. BBNIXBBMIX vs. BBHLXBBMIX vs. BBBMXBBMIX vs. BARAXBBMIX vs. BBLIXBBMIX vs. BARIX

Return for Risk

RYCKX vs. BBMIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
RYCKX
RYCKX Risk / Return Rank: 5151
Overall Rank
RYCKX Sharpe Ratio Rank: 4141
Sharpe Ratio Rank
RYCKX Sortino Ratio Rank: 4040
Sortino Ratio Rank
RYCKX Omega Ratio Rank: 3636
Omega Ratio Rank
RYCKX Calmar Ratio Rank: 7171
Calmar Ratio Rank
RYCKX Martin Ratio Rank: 6969
Martin Ratio Rank
BBMIX
BBMIX Risk / Return Rank: 33
Overall Rank
BBMIX Sharpe Ratio Rank: 33
Sharpe Ratio Rank
BBMIX Sortino Ratio Rank: 33
Sortino Ratio Rank
BBMIX Omega Ratio Rank: 33
Omega Ratio Rank
BBMIX Calmar Ratio Rank: 33
Calmar Ratio Rank
BBMIX Martin Ratio Rank: 33
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

RYCKX vs. BBMIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rydex S&P MidCap 400 Pure Growth Fund (RYCKX) and BBH Select Series - Mid Cap Fund (BBMIX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

RYCKXBBMIXDifference
Sharpe ratioReturn per unit of total volatility
1.73
-0.01

+1.74

Sortino ratioReturn per unit of downside risk
2.45
0.07

+2.38

Omega ratioGain probability vs. loss probability

1.30

1.01

+0.29

Calmar ratioReturn relative to maximum drawdown

3.12

-0.01

+3.14

Martin ratioReturn relative to average drawdown

12.52

-0.02

+12.54

RYCKX vs. BBMIX - Sharpe Ratio Comparison

The current RYCKX Sharpe Ratio is 1.73, which is higher than the BBMIX Sharpe Ratio of -0.01. The chart below compares the historical Sharpe Ratios of RYCKX and BBMIX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

RYCKX vs. BBMIX - Drawdown Comparison

The maximum RYCKX drawdown since its inception was -52.60%, which is greater than BBMIX's maximum drawdown of -28.90%. Use the drawdown chart below to compare losses from any high point for RYCKX and BBMIX.

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Drawdown Indicators

RYCKXBBMIXDifference

Max Drawdown

Largest peak-to-trough decline

-52.60%

-28.90%

-23.70%

Max Drawdown (1Y)

Largest decline over 1 year

-10.50%

-8.89%

-1.61%

Max Drawdown (3Y)

Largest decline over 3 years

-27.14%

-23.79%

-3.35%

Max Drawdown (5Y)

Largest decline over 5 years

-35.98%

-28.90%

-7.08%

Max Drawdown (10Y)

Largest decline over 10 years

-44.75%

—

—

Current Drawdown

Current decline from peak

0.00%

-11.28%

+11.28%

Average Drawdown

Average peak-to-trough decline

-9.49%

-10.51%

+1.02%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.62%

5.30%

-2.68%

Volatility

RYCKX vs. BBMIX - Volatility Comparison

Rydex S&P MidCap 400 Pure Growth Fund (RYCKX) has a higher volatility of 6.34% compared to BBH Select Series - Mid Cap Fund (BBMIX) at 0.00%. This indicates that RYCKX's price experiences larger fluctuations and is considered to be riskier than BBMIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

RYCKXBBMIXDifference

Volatility (1M)

Calculated over the trailing 1-month period

6.34%

0.00%

+6.34%

Volatility (6M)

Calculated over the trailing 6-month period

15.39%

6.04%

+9.35%

Volatility (1Y)

Calculated over the trailing 1-year period

19.04%

11.14%

+7.90%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

22.87%

19.70%

+3.17%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

23.12%

19.57%

+3.55%

RYCKX vs. BBMIX - Expense Ratio Comparison

RYCKX has a 2.26% expense ratio, which is higher than BBMIX's 0.90% expense ratio.

Dividends

RYCKX vs. BBMIX - Dividend Comparison

Neither RYCKX nor BBMIX has paid dividends to shareholders.

PositionTTM20252024202320222021202020192018201720162015
BBMIX
BBH Select Series - Mid Cap Fund		0.00%0.00%0.32%0.10%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
RYCKX
Rydex S&P MidCap 400 Pure Growth Fund		0.00%0.00%20.92%0.00%14.34%13.66%1.29%0.00%18.93%7.60%1.72%5.90%

Frequently Asked Questions

RYCKX and BBMIX have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

RYCKX has higher volatility (6.34%) compared to BBMIX (0.00%). In terms of maximum drawdown, RYCKX dropped -52.60% vs BBMIX's -28.90%.

RYCKX currently has the higher Sharpe Ratio (1.73 vs -0.01), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.

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