MU vs. FDTS

Last updated Jun 13, 2026

MU (Micron Technology, Inc.) is a stock, while FDTS (First Trust Developed Markets ex-US Small Cap AlphaDEX Fund) is Foreign Small & Mid Cap Equities fund tracking the NASDAQ AlphaDEX DM Ex-US Small Cap Index. Over the past 10 years, MU returned 55.83%/yr vs 10.96%/yr for FDTS. At a 0.29 correlation, their price movements are largely independent.

Performance

MU vs. FDTS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Micron Technology, Inc. (MU) and First Trust Developed Markets ex-US Small Cap AlphaDEX Fund (FDTS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MU achieves a 244.07% return, which is significantly higher than FDTS's 18.78% return. Over the past 10 years, MU has outperformed FDTS with an annualized return of 55.83%, while FDTS has yielded a comparatively lower 10.96% annualized return.

MU

• 1D: -1.43%
• 1M: 35.46%
• YTD: 244.07%
• 6M: 307.41%
• 1Y: 751.18%
• 3Y*: 144.69%
• 5Y*: 66.21%
• 10Y*: 55.83%

FDTS

• 1D: -0.17%
• 1M: -2.15%
• YTD: 18.78%
• 6M: 20.77%
• 1Y: 44.72%
• 3Y*: 24.70%
• 5Y*: 10.78%
• 10Y*: 10.96%

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

MU vs. FDTS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MU Micron Technology, Inc.	244.07%	240.24%	-0.96%	71.93%	-45.93%	24.21%	39.79%	69.49%	-22.84%	87.59%
FDTS First Trust Developed Markets ex-US Small Cap AlphaDEX Fund	18.78%	51.17%	2.44%	10.96%	-15.34%	11.79%	12.90%	18.71%	-23.71%	36.01%

Correlation

The correlation between MU and FDTS is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.40
Correlation (3Y) Calculated over the trailing 3-year period	0.41
Correlation (5Y) Calculated over the trailing 5-year period	0.39
Correlation (10Y) Calculated over the trailing 10-year period	0.32
Correlation (All Time) Calculated using the full available price history since Feb 16, 2012	0.29

The correlation between MU and FDTS shifts across timeframes, from 0.29 (all time) to 0.41 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

MU vs. FDTS — Risk / Return Rank

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

MU

MU Risk / Return Rank: 99
MU Sharpe Ratio Rank: 100
MU Sortino Ratio Rank: 99
MU Omega Ratio Rank: 98
MU Calmar Ratio Rank: 100
MU Martin Ratio Rank: 100

FDTS

FDTS Risk / Return Rank: 79
FDTS Sharpe Ratio Rank: 84
FDTS Sortino Ratio Rank: 81
FDTS Omega Ratio Rank: 81
FDTS Calmar Ratio Rank: 76
FDTS Martin Ratio Rank: 72

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.

MU vs. FDTS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Micron Technology, Inc. (MU) and First Trust Developed Markets ex-US Small Cap AlphaDEX Fund (FDTS). 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.

	MU	FDTS	Difference
Sharpe ratio: Return per unit of total volatility	10.83	2.37	+8.46
Sortino ratio: Return per unit of downside risk	6.14	3.15	+3.00
Omega ratio: Gain probability vs. loss probability	1.78	1.42	+0.36
Calmar ratio: Return relative to maximum drawdown	24.91	3.43	+21.48
Martin ratio: Return relative to average drawdown	94.64	11.78	+82.86

MU vs. FDTS - Sharpe Ratio Comparison

The current MU Sharpe Ratio is 10.83, which is higher than the FDTS Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of MU and FDTS, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

MU vs. FDTS - Drawdown Comparison

The maximum MU drawdown since its inception was -98.25%, which is greater than FDTS's maximum drawdown of -51.26%. Use the drawdown chart below to compare losses from any high point for MU and FDTS.

Drawdown Indicators

	MU	FDTS	Difference
Max Drawdown Largest peak-to-trough decline	-98.25%	-51.26%	-46.99%
Max Drawdown (1Y) Largest decline over 1 year	-30.28%	-12.61%	-17.67%
Max Drawdown (3Y) Largest decline over 3 years	-57.63%	-13.19%	-44.44%
Max Drawdown (5Y) Largest decline over 5 years	-57.63%	-33.11%	-24.52%
Max Drawdown (10Y) Largest decline over 10 years	-57.63%	-51.26%	-6.37%
Current Drawdown Current decline from peak	-9.07%	-4.77%	-4.30%
Average Drawdown Average peak-to-trough decline	-58.16%	-10.64%	-47.52%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.95%	3.66%	+4.29%

Volatility

MU vs. FDTS - Volatility Comparison

Micron Technology, Inc. (MU) has a higher volatility of 32.86% compared to First Trust Developed Markets ex-US Small Cap AlphaDEX Fund (FDTS) at 8.44%. This indicates that MU's price experiences larger fluctuations and is considered to be riskier than FDTS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MU	FDTS	Difference
Volatility (1M) Calculated over the trailing 1-month period	32.86%	8.44%	+24.42%
Volatility (6M) Calculated over the trailing 6-month period	57.74%	15.54%	+42.20%
Volatility (1Y) Calculated over the trailing 1-year period	69.66%	18.27%	+51.39%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	53.18%	29.42%	+23.76%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	50.12%	24.92%	+25.20%

Dividends

MU vs. FDTS - Dividend Comparison

MU's dividend yield for the trailing twelve months is around 0.05%, less than FDTS's 2.53% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FDTS First Trust Developed Markets ex-US Small Cap AlphaDEX Fund	2.53%	2.94%	3.94%	2.90%	3.71%	3.01%	2.02%	2.30%	1.96%	2.08%	1.78%	1.73%
MU Micron Technology, Inc.	0.05%	0.16%	0.55%	0.54%	0.89%	0.21%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MU and FDTS in my portfolio?

MU and FDTS have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MU or FDTS?

MU has higher volatility (32.86%) compared to FDTS (8.44%). In terms of maximum drawdown, MU dropped -98.25% vs FDTS's -51.26%.

Which has better risk-adjusted returns?

MU currently has the higher Sharpe Ratio (10.83 vs 2.37), 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.