TER vs. FDTS

Last updated Jun 13, 2026

TER (Teradyne, 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, TER returned 36.09%/yr vs 10.96%/yr for FDTS. At a 0.34 correlation, their price movements are largely independent.

Performance

TER vs. FDTS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Teradyne, Inc. (TER) 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, TER achieves a 108.47% return, which is significantly higher than FDTS's 18.78% return. Over the past 10 years, TER has outperformed FDTS with an annualized return of 36.09%, while FDTS has yielded a comparatively lower 10.96% annualized return.

TER

• 1D: 5.72%
• 1M: 19.38%
• YTD: 108.47%
• 6M: 108.68%
• 1Y: 386.56%
• 3Y*: 54.13%
• 5Y*: 26.29%
• 10Y*: 36.09%

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)

TER vs. FDTS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TER Teradyne, Inc.	108.47%	54.39%	16.51%	24.78%	-46.35%	36.81%	76.73%	118.93%	-24.37%	66.16%
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 TER and FDTS is 0.53, 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	0.53
Correlation (3Y) Calculated over the trailing 3-year period	0.49
Correlation (5Y) Calculated over the trailing 5-year period	0.45
Correlation (10Y) Calculated over the trailing 10-year period	0.38
Correlation (All Time) Calculated using the full available price history since Feb 16, 2012	0.34

The correlation between TER and FDTS shifts across timeframes, from 0.34 (all time) to 0.53 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

TER vs. FDTS — Risk / Return Rank

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

TER

TER Risk / Return Rank: 98
TER Sharpe Ratio Rank: 99
TER Sortino Ratio Rank: 97
TER Omega Ratio Rank: 97
TER Calmar Ratio Rank: 99
TER Martin Ratio Rank: 99

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.

TER vs. FDTS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Teradyne, Inc. (TER) 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.

	TER	FDTS	Difference
Sharpe ratio: Return per unit of total volatility	5.56	2.37	+3.19
Sortino ratio: Return per unit of downside risk	4.50	3.15	+1.35
Omega ratio: Gain probability vs. loss probability	1.64	1.42	+0.22
Calmar ratio: Return relative to maximum drawdown	13.97	3.43	+10.55
Martin ratio: Return relative to average drawdown	49.81	11.78	+38.03

TER vs. FDTS - Sharpe Ratio Comparison

The current TER Sharpe Ratio is 5.56, which is higher than the FDTS Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of TER 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

TER vs. FDTS - Drawdown Comparison

The maximum TER drawdown since its inception was -97.30%, which is greater than FDTS's maximum drawdown of -51.26%. Use the drawdown chart below to compare losses from any high point for TER and FDTS.

Drawdown Indicators

	TER	FDTS	Difference
Max Drawdown Largest peak-to-trough decline	-97.30%	-51.26%	-46.04%
Max Drawdown (1Y) Largest decline over 1 year	-26.73%	-12.61%	-14.12%
Max Drawdown (3Y) Largest decline over 3 years	-58.18%	-13.19%	-44.99%
Max Drawdown (5Y) Largest decline over 5 years	-59.12%	-33.11%	-26.01%
Max Drawdown (10Y) Largest decline over 10 years	-59.12%	-51.26%	-7.86%
Current Drawdown Current decline from peak	-3.52%	-4.77%	+1.25%
Average Drawdown Average peak-to-trough decline	-58.67%	-10.64%	-48.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.49%	3.66%	+3.83%

Volatility

TER vs. FDTS - Volatility Comparison

Teradyne, Inc. (TER) has a higher volatility of 25.00% compared to First Trust Developed Markets ex-US Small Cap AlphaDEX Fund (FDTS) at 8.44%. This indicates that TER'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

	TER	FDTS	Difference
Volatility (1M) Calculated over the trailing 1-month period	25.00%	8.44%	+16.56%
Volatility (6M) Calculated over the trailing 6-month period	53.10%	15.54%	+37.56%
Volatility (1Y) Calculated over the trailing 1-year period	67.20%	18.27%	+48.93%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	50.20%	29.42%	+20.78%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	45.31%	24.92%	+20.39%

Dividends

TER vs. FDTS - Dividend Comparison

TER's dividend yield for the trailing twelve months is around 0.12%, 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%
TER Teradyne, Inc.	0.12%	0.25%	0.38%	0.41%	0.50%	0.24%	0.33%	0.53%	1.15%	0.67%	0.94%	1.16%

Frequently Asked Questions

Can I hold both TER and FDTS in my portfolio?

TER and FDTS have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TER or FDTS?

TER has higher volatility (25.00%) compared to FDTS (8.44%). In terms of maximum drawdown, TER dropped -97.30% vs FDTS's -51.26%.

Which has better risk-adjusted returns?

TER currently has the higher Sharpe Ratio (5.56 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.