IPKW vs. CLS

Last updated Jun 14, 2026

IPKW (Invesco International BuyBack Achievers™ ETF) is Global Equities fund tracking the NASDAQ International BuyBack Achievers Index, while CLS (Celestica Inc.) is a stock. Over the past 10 years, IPKW returned 11.93%/yr vs 43.71%/yr for CLS. At a 0.44 correlation, their price movements are largely independent.

Performance

IPKW vs. CLS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco International BuyBack Achievers™ ETF (IPKW) and Celestica Inc. (CLS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IPKW achieves a 5.48% return, which is significantly lower than CLS's 32.99% return. Over the past 10 years, IPKW has underperformed CLS with an annualized return of 11.93%, while CLS has yielded a comparatively higher 43.71% annualized return.

IPKW

• 1D: 0.03%
• 1M: -1.22%
• YTD: 5.48%
• 6M: 7.67%
• 1Y: 23.37%
• 3Y*: 22.77%
• 5Y*: 9.12%
• 10Y*: 11.93%

CLS

• 1D: 1.88%
• 1M: 3.02%
• YTD: 32.99%
• 6M: 28.26%
• 1Y: 213.67%
• 3Y*: 207.28%
• 5Y*: 116.26%
• 10Y*: 43.71%

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

IPKW vs. CLS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IPKW Invesco International BuyBack Achievers™ ETF	5.48%	45.50%	10.56%	15.12%	-12.81%	11.41%	16.18%	20.26%	-21.59%	34.21%
CLS Celestica Inc.	32.99%	220.27%	215.23%	159.80%	1.26%	37.92%	-2.42%	-5.70%	-16.32%	-11.56%

Correlation

The correlation between IPKW and CLS is 0.32, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.32
Correlation (3Y) Calculated over the trailing 3-year period	0.32
Correlation (5Y) Calculated over the trailing 5-year period	0.42
Correlation (10Y) Calculated over the trailing 10-year period	0.44
Correlation (All Time) Calculated using the full available price history since Feb 27, 2014	0.44

The correlation between IPKW and CLS shifts across timeframes, from 0.32 (1 year) to 0.44 (all time), reflecting how their relationship changes across market environments.

Return for Risk

IPKW vs. CLS — Risk / Return Rank

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

IPKW

IPKW Risk / Return Rank: 53
IPKW Sharpe Ratio Rank: 51
IPKW Sortino Ratio Rank: 51
IPKW Omega Ratio Rank: 51
IPKW Calmar Ratio Rank: 57
IPKW Martin Ratio Rank: 55

CLS

CLS Risk / Return Rank: 92
CLS Sharpe Ratio Rank: 95
CLS Sortino Ratio Rank: 88
CLS Omega Ratio Rank: 88
CLS Calmar Ratio Rank: 96
CLS Martin Ratio Rank: 95

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.

IPKW vs. CLS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco International BuyBack Achievers™ ETF (IPKW) and Celestica Inc. (CLS). 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.

	IPKW	CLS	Difference
Sharpe ratio: Return per unit of total volatility	1.55	2.78	-1.23
Sortino ratio: Return per unit of downside risk	2.22	2.81	-0.59
Omega ratio: Gain probability vs. loss probability	1.28	1.37	-0.09
Calmar ratio: Return relative to maximum drawdown	2.49	6.91	-4.42
Martin ratio: Return relative to average drawdown	8.37	16.83	-8.46

IPKW vs. CLS - Sharpe Ratio Comparison

The current IPKW Sharpe Ratio is 1.55, which is lower than the CLS Sharpe Ratio of 2.78. The chart below compares the historical Sharpe Ratios of IPKW and CLS, 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

IPKW vs. CLS - Drawdown Comparison

The maximum IPKW drawdown since its inception was -47.24%, smaller than the maximum CLS drawdown of -96.93%. Use the drawdown chart below to compare losses from any high point for IPKW and CLS.

Drawdown Indicators

	IPKW	CLS	Difference
Max Drawdown Largest peak-to-trough decline	-47.24%	-96.93%	+49.69%
Max Drawdown (1Y) Largest decline over 1 year	-9.14%	-29.24%	+20.10%
Max Drawdown (3Y) Largest decline over 3 years	-17.77%	-53.96%	+36.19%
Max Drawdown (5Y) Largest decline over 5 years	-32.67%	-53.96%	+21.29%
Max Drawdown (10Y) Largest decline over 10 years	-47.24%	-80.60%	+33.36%
Current Drawdown Current decline from peak	-3.00%	-16.78%	+13.78%
Average Drawdown Average peak-to-trough decline	-8.98%	-73.31%	+64.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.72%	11.98%	-9.26%

Volatility

IPKW vs. CLS - Volatility Comparison

The current volatility for Invesco International BuyBack Achievers™ ETF (IPKW) is 4.33%, while Celestica Inc. (CLS) has a volatility of 27.54%. This indicates that IPKW experiences smaller price fluctuations and is considered to be less risky than CLS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IPKW	CLS	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.33%	27.54%	-23.21%
Volatility (6M) Calculated over the trailing 6-month period	12.27%	55.42%	-43.15%
Volatility (1Y) Calculated over the trailing 1-year period	14.68%	72.65%	-57.97%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.06%	57.70%	-40.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.90%	49.97%	-32.07%

Dividends

IPKW vs. CLS - Dividend Comparison

IPKW's dividend yield for the trailing twelve months is around 3.54%, while CLS has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CLS Celestica Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
IPKW Invesco International BuyBack Achievers™ ETF	3.54%	3.55%	4.12%	2.66%	3.77%	7.37%	1.45%	2.41%	2.61%	0.93%	2.82%	1.31%

Frequently Asked Questions

Can I hold both IPKW and CLS in my portfolio?

IPKW and CLS have a correlation of 0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IPKW or CLS?

CLS has higher volatility (27.54%) compared to IPKW (4.33%). In terms of maximum drawdown, IPKW dropped -47.24% vs CLS's -96.93%.

Which has better risk-adjusted returns?

CLS currently has the higher Sharpe Ratio (2.78 vs 1.55), 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.