IQDF vs. TDTF

Last updated Apr 1, 2026

Compare and contrast key facts about FlexShares International Quality Dividend Index Fund (IQDF) and FlexShares iBoxx 5-Year Target Duration TIPS Index Fund (TDTF).

IQDF and TDTF are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. IQDF is a passively managed fund by Northern Trust that tracks the performance of the Northern Trust International Quality Dividend Index. It was launched on Apr 12, 2013. TDTF is a passively managed fund by Northern Trust that tracks the performance of the iBoxx 5-Year Target Duration TIPS. It was launched on Sep 19, 2011. Both IQDF and TDTF are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

IQDF vs. TDTF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FlexShares International Quality Dividend Index Fund (IQDF) and FlexShares iBoxx 5-Year Target Duration TIPS Index Fund (TDTF). The values are adjusted to include any dividend payments, if applicable.

IQDF vs. TDTF - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IQDF FlexShares International Quality Dividend Index Fund	4.40%	35.42%	6.62%	20.10%	-14.69%	10.18%	3.54%	20.96%	-17.39%	23.87%
TDTF FlexShares iBoxx 5-Year Target Duration TIPS Index Fund	0.61%	7.83%	2.40%	4.10%	-9.73%	5.54%	9.98%	7.99%	-0.82%	1.93%

Returns By Period

In the year-to-date period, IQDF achieves a 4.40% return, which is significantly higher than TDTF's 0.61% return. Over the past 10 years, IQDF has outperformed TDTF with an annualized return of 8.80%, while TDTF has yielded a comparatively lower 2.88% annualized return.

IQDF

• 1D: 2.86%
• 1M: -6.36%
• YTD: 4.40%
• 6M: 11.87%
• 1Y: 31.50%
• 3Y*: 19.06%
• 5Y*: 9.60%
• 10Y*: 8.80%

TDTF

• 1D: 0.08%
• 1M: -0.92%
• YTD: 0.61%
• 6M: 0.78%
• 1Y: 3.85%
• 3Y*: 3.71%
• 5Y*: 2.01%
• 10Y*: 2.88%

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

IQDF vs. TDTF - Expense Ratio Comparison

IQDF has a 0.47% expense ratio, which is higher than TDTF's 0.18% expense ratio.

IQDF

FlexShares International Quality Dividend Index Fund

TDTF

FlexShares iBoxx 5-Year Target Duration TIPS Index Fund

Return for Risk

IQDF vs. TDTF — Risk / Return Rank

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

IQDF

IQDF Risk / Return Rank: 89
IQDF Sharpe Ratio Rank: 89
IQDF Sortino Ratio Rank: 90
IQDF Omega Ratio Rank: 90
IQDF Calmar Ratio Rank: 86
IQDF Martin Ratio Rank: 89

TDTF

TDTF Risk / Return Rank: 59
TDTF Sharpe Ratio Rank: 59
TDTF Sortino Ratio Rank: 57
TDTF Omega Ratio Rank: 50
TDTF Calmar Ratio Rank: 67
TDTF Martin Ratio Rank: 63

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.

IQDF vs. TDTF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FlexShares International Quality Dividend Index Fund (IQDF) and FlexShares iBoxx 5-Year Target Duration TIPS Index Fund (TDTF). 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.

	IQDF	TDTF	Difference
Sharpe ratio Return per unit of total volatility	1.89	1.02	+0.87
Sortino ratio Return per unit of downside risk	2.53	1.45	+1.08
Omega ratio Gain probability vs. loss probability	1.38	1.19	+0.19
Calmar ratio Return relative to maximum drawdown	2.60	1.65	+0.95
Martin ratio Return relative to average drawdown	11.16	6.16	+5.00
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IQDF vs. TDTF - Sharpe Ratio Comparison

The current IQDF Sharpe Ratio is 1.89, which is higher than the TDTF Sharpe Ratio of 1.02. The chart below compares the historical Sharpe Ratios of IQDF and TDTF, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	IQDF	TDTF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.89	1.02	+0.87
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.63	0.35	+0.28
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.53	0.57	-0.04
Sharpe Ratio (All Time) Calculated using the full available price history	0.40	0.46	-0.07

Correlation

The correlation between IQDF and TDTF is 0.08, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

IQDF vs. TDTF - Dividend Comparison

IQDF's dividend yield for the trailing twelve months is around 3.07%, less than TDTF's 4.37% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IQDF FlexShares International Quality Dividend Index Fund	3.07%	3.27%	6.72%	6.06%	5.59%	4.13%	3.31%	4.46%	5.78%	3.89%	3.75%	4.27%
TDTF FlexShares iBoxx 5-Year Target Duration TIPS Index Fund	4.37%	4.58%	3.98%	3.97%	7.60%	4.55%	1.13%	1.80%	2.60%	2.20%	1.51%	0.21%

Drawdowns

IQDF vs. TDTF - Drawdown Comparison

The maximum IQDF drawdown since its inception was -39.83%, which is greater than TDTF's maximum drawdown of -12.02%. Use the drawdown chart below to compare losses from any high point for IQDF and TDTF.

Drawdown Indicators

	IQDF	TDTF	Difference
Max Drawdown Largest peak-to-trough decline	-39.83%	-12.02%	-27.81%
Max Drawdown (1Y) Largest decline over 1 year	-11.77%	-2.56%	-9.21%
Max Drawdown (5Y) Largest decline over 5 years	-30.34%	-12.02%	-18.32%
Max Drawdown (10Y) Largest decline over 10 years	-39.83%	-12.02%	-27.81%
Current Drawdown Current decline from peak	-7.04%	-0.92%	-6.12%
Average Drawdown Average peak-to-trough decline	-9.44%	-2.94%	-6.50%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.75%	0.69%	+2.06%

Volatility

IQDF vs. TDTF - Volatility Comparison

FlexShares International Quality Dividend Index Fund (IQDF) has a higher volatility of 7.65% compared to FlexShares iBoxx 5-Year Target Duration TIPS Index Fund (TDTF) at 1.15%. This indicates that IQDF's price experiences larger fluctuations and is considered to be riskier than TDTF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IQDF	TDTF	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.65%	1.15%	+6.50%
Volatility (6M) Calculated over the trailing 6-month period	10.83%	2.11%	+8.72%
Volatility (1Y) Calculated over the trailing 1-year period	16.78%	3.82%	+12.96%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.28%	5.70%	+9.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.57%	5.08%	+11.49%