LMIYX vs. LAFFX

Last updated Jun 4, 2026

LMIYX (Lord Abbett Micro Cap Growth Fund) and LAFFX (Lord Abbett Affiliated Fund) are both mutual funds - LMIYX is a Small Cap Growth Equities fund managed by Lord Abbett, while LAFFX is a Large Cap Value Equities fund managed by Lord Abbett. Over the past 10 years, LMIYX returned 21.06%/yr vs 10.75%/yr for LAFFX. A 0.68 correlation means they provide meaningful diversification when combined. LMIYX charges 1.12%/yr vs 0.71%/yr for LAFFX.

Performance

LMIYX vs. LAFFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Lord Abbett Micro Cap Growth Fund (LMIYX) and Lord Abbett Affiliated Fund (LAFFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LMIYX achieves a 25.96% return, which is significantly higher than LAFFX's 9.14% return. Over the past 10 years, LMIYX has outperformed LAFFX with an annualized return of 21.06%, while LAFFX has yielded a comparatively lower 10.75% annualized return.

LMIYX

• 1D: -0.62%
• 1M: 7.18%
• YTD: 25.96%
• 6M: 23.91%
• 1Y: 51.53%
• 3Y*: 19.40%
• 5Y*: 10.65%
• 10Y*: 21.06%

LAFFX

• 1D: 0.14%
• 1M: 2.53%
• YTD: 9.14%
• 6M: 9.55%
• 1Y: 21.49%
• 3Y*: 18.57%
• 5Y*: 9.93%
• 10Y*: 10.75%

*Multi-year figures are annualized to reflect compound growth (CAGR)

LMIYX vs. LAFFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LMIYX Lord Abbett Micro Cap Growth Fund	25.96%	11.02%	27.28%	6.14%	-29.10%	32.54%	79.45%	34.34%	2.19%	38.54%
LAFFX Lord Abbett Affiliated Fund	9.14%	15.75%	17.30%	10.50%	-9.80%	26.77%	-1.29%	25.24%	-7.59%	16.16%

Correlation

The correlation between LMIYX and LAFFX is 0.67, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.67
Correlation (3Y) Calculated over the trailing 3-year period	0.70
Correlation (5Y) Calculated over the trailing 5-year period	0.71
Correlation (10Y) Calculated over the trailing 10-year period	0.67
Correlation (All Time) Calculated using the full available price history since Jul 12, 1999	0.68

The correlation between LMIYX and LAFFX has been stable across timeframes, ranging from 0.67 to 0.71 - a consistent structural relationship.

Return for Risk

LMIYX vs. LAFFX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

LMIYX

LMIYX Risk / Return Rank: 60
LMIYX Sharpe Ratio Rank: 48
LMIYX Sortino Ratio Rank: 41
LMIYX Omega Ratio Rank: 37
LMIYX Calmar Ratio Rank: 89
LMIYX Martin Ratio Rank: 83

LAFFX

LAFFX Risk / Return Rank: 54
LAFFX Sharpe Ratio Rank: 52
LAFFX Sortino Ratio Rank: 51
LAFFX Omega Ratio Rank: 49
LAFFX Calmar Ratio Rank: 58
LAFFX Martin Ratio Rank: 62

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.

LMIYX vs. LAFFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Lord Abbett Micro Cap Growth Fund (LMIYX) and Lord Abbett Affiliated Fund (LAFFX). 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.

	LMIYX	LAFFX	Difference
Sharpe ratio: Return per unit of total volatility	2.03	2.12	-0.08
Sortino ratio: Return per unit of downside risk	2.71	3.01	-0.30
Omega ratio: Gain probability vs. loss probability	1.33	1.38	-0.06
Calmar ratio: Return relative to maximum drawdown	4.49	2.92	+1.57
Martin ratio: Return relative to average drawdown	15.59	12.24	+3.35
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LMIYX vs. LAFFX - Sharpe Ratio Comparison

The current LMIYX Sharpe Ratio is 2.03, which is comparable to the LAFFX Sharpe Ratio of 2.12. The chart below compares the historical Sharpe Ratios of LMIYX and LAFFX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	LMIYX	LAFFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.03	2.12	-0.08
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.35	0.68	-0.33
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.73	0.62	+0.11
Sharpe Ratio (All Time) Calculated using the full available price history	0.49	0.45	+0.04

Drawdowns

LMIYX vs. LAFFX - Drawdown Comparison

The maximum LMIYX drawdown since its inception was -61.35%, roughly equal to the maximum LAFFX drawdown of -60.50%. Use the drawdown chart below to compare losses from any high point for LMIYX and LAFFX.

Drawdown Indicators

	LMIYX	LAFFX	Difference
Max Drawdown Largest peak-to-trough decline	-61.35%	-60.50%	-0.85%
Max Drawdown (1Y) Largest decline over 1 year	-11.80%	-7.59%	-4.21%
Max Drawdown (3Y) Largest decline over 3 years	-31.16%	-15.38%	-15.78%
Max Drawdown (5Y) Largest decline over 5 years	-42.86%	-19.50%	-23.36%
Max Drawdown (10Y) Largest decline over 10 years	-43.37%	-39.59%	-3.78%
Current Drawdown Current decline from peak	-1.61%	0.00%	-1.61%
Average Drawdown Average peak-to-trough decline	-18.31%	-9.02%	-9.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.39%	1.81%	+1.58%

Volatility

LMIYX vs. LAFFX - Volatility Comparison

Lord Abbett Micro Cap Growth Fund (LMIYX) has a higher volatility of 9.16% compared to Lord Abbett Affiliated Fund (LAFFX) at 2.90%. This indicates that LMIYX's price experiences larger fluctuations and is considered to be riskier than LAFFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LMIYX	LAFFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.16%	2.90%	+6.26%
Volatility (6M) Calculated over the trailing 6-month period	20.58%	8.36%	+12.22%
Volatility (1Y) Calculated over the trailing 1-year period	26.05%	10.47%	+15.58%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	30.17%	14.61%	+15.56%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.03%	17.45%	+11.58%

LMIYX vs. LAFFX - Expense Ratio Comparison

LMIYX has a 1.12% expense ratio, which is higher than LAFFX's 0.71% expense ratio.

Dividends

LMIYX vs. LAFFX - Dividend Comparison

LMIYX's dividend yield for the trailing twelve months is around 0.01%, less than LAFFX's 6.59% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LAFFX Lord Abbett Affiliated Fund	6.59%	7.49%	6.32%	1.69%	7.86%	3.86%	1.93%	4.31%	11.75%	11.96%	7.76%	10.67%
LMIYX Lord Abbett Micro Cap Growth Fund	0.01%	0.01%	0.00%	0.00%	0.00%	22.32%	23.16%	15.30%	37.13%	15.17%	0.00%	21.83%

Frequently Asked Questions

Can I hold both LMIYX and LAFFX in my portfolio?

LMIYX and LAFFX have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, LMIYX or LAFFX?

LMIYX has higher volatility (9.16%) compared to LAFFX (2.90%). In terms of maximum drawdown, LMIYX dropped -61.35% vs LAFFX's -60.50%.

Which has better risk-adjusted returns?

LAFFX currently has the higher Sharpe Ratio (2.12 vs 2.03), 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.