SPDW vs. IDOG

Last updated Jul 14, 2026

SPDW (SPDR Portfolio World ex-US ETF) and IDOG (ALPS International Sector Dividend Dogs ETF) are both Foreign Large Cap Equities funds - SPDW tracks the S&P Developed Ex-U.S. BMI Index while IDOG tracks the S-Network International Sector Dividend Dogs Index. Both are passively managed. Over the past 10 years, SPDW returned 9.97%/yr vs 10.55%/yr for IDOG. Their correlation of 0.89 suggests significant overlap in exposure. SPDW charges 0.04%/yr vs 0.50%/yr for IDOG.

Performance

SPDW vs. IDOG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR Portfolio World ex-US ETF (SPDW) and ALPS International Sector Dividend Dogs ETF (IDOG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SPDW achieves a 12.94% return, which is significantly higher than IDOG's 11.75% return. Over the past 10 years, SPDW has underperformed IDOG with an annualized return of 9.97%, while IDOG has yielded a comparatively higher 10.55% annualized return.

SPDW

• 1D: -1.65%
• 1M: -1.67%
• 6M: 8.66%
• YTD: 12.94%
• 1Y: 26.46%
• 3Y*: 17.64%
• 5Y*: 9.36%
• 10Y*: 9.97%

IDOG

• 1D: 0.62%
• 1M: -2.99%
• 6M: 9.96%
• YTD: 11.75%
• 1Y: 27.84%
• 3Y*: 18.66%
• 5Y*: 13.32%
• 10Y*: 10.55%

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

SPDW vs. IDOG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SPDW SPDR Portfolio World ex-US ETF	12.94%	34.75%	3.55%	17.81%	-15.98%	11.45%	9.90%	22.41%	-14.22%	25.81%
IDOG ALPS International Sector Dividend Dogs ETF	11.75%	39.94%	1.35%	23.57%	-4.50%	11.33%	-1.78%	21.93%	-13.47%	25.61%

Correlation

The correlation between SPDW and IDOG is 0.75, 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	0.75
Correlation (3Y) Calculated over the trailing 3-year period	0.83
Correlation (5Y) Calculated over the trailing 5-year period	0.86
Correlation (10Y) Calculated over the trailing 10-year period	0.89
Correlation (All Time) Calculated using the full available price history since Jun 28, 2013	0.89

The correlation between SPDW and IDOG shifts across timeframes, from 0.75 (1 year) to 0.89 (all time), reflecting how their relationship changes across market environments.

SPDW vs. IDOG - Sectors Allocation Comparison

Sectors	SPDW	IDOG
Financial Services	22.2%	11.3%
Industrials	18.4%	12.2%
Technology	16.8%	9.1%
Healthcare	7.9%	8.9%
Consumer Cyclical	7.8%	9.6%
Basic Materials	7.3%	10.2%
Consumer Defensive	5.4%	9.1%
Energy	4.9%	10.1%
Communication Services	3.9%	9.8%
Utilities	3.0%	9.6%
Real Estate	2.3%	-

Return for Risk

SPDW vs. IDOG — Risk / Return Rank

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

SPDW

SPDW Risk / Return Rank: 59
SPDW Sharpe Ratio Rank: 59
SPDW Sortino Ratio Rank: 58
SPDW Omega Ratio Rank: 59
SPDW Calmar Ratio Rank: 58
SPDW Martin Ratio Rank: 62

IDOG

IDOG Risk / Return Rank: 81
IDOG Sharpe Ratio Rank: 80
IDOG Sortino Ratio Rank: 77
IDOG Omega Ratio Rank: 75
IDOG Calmar Ratio Rank: 90
IDOG Martin Ratio Rank: 84

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.

SPDW vs. IDOG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR Portfolio World ex-US ETF (SPDW) and ALPS International Sector Dividend Dogs ETF (IDOG). 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.

	SPDW	IDOG	Difference
Sharpe ratio: Return per unit of total volatility	1.57	2.03	-0.45
Sortino ratio: Return per unit of downside risk	2.19	2.74	-0.55
Omega ratio: Gain probability vs. loss probability	1.29	1.35	-0.06
Calmar ratio: Return relative to maximum drawdown	2.30	4.32	-2.02
Martin ratio: Return relative to average drawdown	8.78	13.13	-4.36

SPDW vs. IDOG - Sharpe Ratio Comparison

The current SPDW Sharpe Ratio is 1.57, which is comparable to the IDOG Sharpe Ratio of 2.03. The chart below compares the historical Sharpe Ratios of SPDW and IDOG, 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

SPDW vs. IDOG - Drawdown Comparison

The maximum SPDW drawdown since its inception was -60.02%, which is greater than IDOG's maximum drawdown of -37.32%. Use the drawdown chart below to compare losses from any high point for SPDW and IDOG.

Drawdown Indicators

	SPDW	IDOG	Difference
Max Drawdown Largest peak-to-trough decline	-60.02%	-37.32%	-22.70%
Max Drawdown (1Y) Largest decline over 1 year	-11.55%	-6.47%	-5.08%
Max Drawdown (3Y) Largest decline over 3 years	-13.53%	-13.92%	+0.39%
Max Drawdown (5Y) Largest decline over 5 years	-30.21%	-25.31%	-4.90%
Max Drawdown (10Y) Largest decline over 10 years	-34.98%	-37.32%	+2.34%
Current Drawdown Current decline from peak	-3.29%	-2.99%	-0.30%
Average Drawdown Average peak-to-trough decline	-12.85%	-7.89%	-4.96%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.02%	2.13%	+0.89%

Volatility

SPDW vs. IDOG - Volatility Comparison

SPDR Portfolio World ex-US ETF (SPDW) has a higher volatility of 6.27% compared to ALPS International Sector Dividend Dogs ETF (IDOG) at 4.05%. This indicates that SPDW's price experiences larger fluctuations and is considered to be riskier than IDOG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPDW	IDOG	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.27%	4.05%	+2.22%
Volatility (6M) Calculated over the trailing 6-month period	14.91%	11.05%	+3.86%
Volatility (1Y) Calculated over the trailing 1-year period	16.91%	13.81%	+3.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.73%	15.67%	+1.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.09%	17.08%	+0.01%

SPDW vs. IDOG - Expense Ratio Comparison

SPDW has a 0.04% expense ratio, which is lower than IDOG's 0.50% expense ratio.

Dividends

SPDW vs. IDOG - Dividend Comparison

SPDW's dividend yield for the trailing twelve months is around 3.07%, less than IDOG's 4.40% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IDOG ALPS International Sector Dividend Dogs ETF	4.40%	4.26%	4.90%	4.86%	4.46%	3.85%	3.00%	5.41%	4.50%	3.33%	4.01%	4.19%
SPDW SPDR Portfolio World ex-US ETF	3.07%	3.30%	3.19%	2.75%	3.12%	3.04%	1.87%	3.13%	3.08%	1.86%	3.11%	2.78%

Frequently Asked Questions

Can I hold both SPDW and IDOG in my portfolio?

SPDW and IDOG have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SPDW or IDOG?

SPDW has higher volatility (6.27%) compared to IDOG (4.05%). In terms of maximum drawdown, SPDW dropped -60.02% vs IDOG's -37.32%.

Which ETF is better, SPDW or IDOG?

On 10-year performance, IDOG leads with 10.55% vs 9.97% for SPDW. On fees, SPDW is cheaper at 0.04% per year. On volatility, IDOG has been the lower-risk option at 4.05%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SPDW or IDOG?

Over the 10-year period, IDOG has performed better with a 10.55% return vs 9.97%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SPDW or IDOG?

SPDW is cheaper with a 0.04% expense ratio, compared with 0.50% for IDOG.

Which ETF pays a higher dividend yield, SPDW or IDOG?

IDOG has the higher dividend yield at 4.40%, compared with 3.07% for SPDW.

What is the main difference between SPDW and IDOG?

SPDW tracks S&P Developed Ex-U.S. BMI Index, while IDOG tracks S-Network International Sector Dividend Dogs Index. They also come from different issuers: State Street and SS&C. Their fees differ too: 0.04% for SPDW and 0.50% for IDOG.

Which has better risk-adjusted returns?

IDOG currently has the higher Sharpe Ratio (2.03 vs 1.57), 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.