COST.TO vs. ^NDX

Last updated Jun 5, 2026

COST.TO (Costco CDR (CAD Hedged)) is a stock, while ^NDX (NASDAQ 100 Index) is an index. At a correlation of -0.03, they often move in opposite directions.

Performance

COST.TO vs. ^NDX - Performance Comparison

The chart below illustrates the hypothetical performance of a CA$10,000 investment in Costco CDR (CAD Hedged) (COST.TO) and NASDAQ 100 Index (^NDX). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

COST.TO is traded in CAD, while ^NDX is traded in USD. To make them comparable, the ^NDX values have been converted to CAD using the latest available exchange rates.

Returns By Period

In the year-to-date period, COST.TO achieves a 12.19% return, which is significantly lower than ^NDX's 16.49% return.

COST.TO

• 1D: 1.14%
• 1M: -2.40%
• YTD: 12.19%
• 6M: 7.87%
• 1Y: -5.33%
• 3Y*: 22.67%
• 5Y*: —
• 10Y*: —

^NDX

• 1D: -4.57%
• 1M: 3.51%
• YTD: 16.49%
• 6M: 13.71%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

COST.TO vs. ^NDX - Yearly Performance Comparison

	2026 (YTD)	2025
COST.TO Costco CDR (CAD Hedged)	12.19%	-15.93%
^NDX NASDAQ 100 Index	16.49%	16.31%

Correlation

The correlation between COST.TO and ^NDX is -0.03, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jun 9, 2025	-0.03

Return for Risk

COST.TO vs. ^NDX — Risk / Return Rank

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

COST.TO

COST.TO Risk / Return Rank: 20
COST.TO Sharpe Ratio Rank: 21
COST.TO Sortino Ratio Rank: 19
COST.TO Omega Ratio Rank: 20
COST.TO Calmar Ratio Rank: 24
COST.TO Martin Ratio Rank: 17

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.

COST.TO vs. ^NDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Costco CDR (CAD Hedged) (COST.TO) and NASDAQ 100 Index (^NDX). 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.

	COST.TO	^NDX	Difference
Sharpe ratio: Return per unit of total volatility	-0.46	—	—
Sortino ratio: Return per unit of downside risk	-0.54	—	—
Omega ratio: Gain probability vs. loss probability	0.94	—	—
Calmar ratio: Return relative to maximum drawdown	-0.52	—	—
Martin ratio: Return relative to average drawdown	-1.16	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	COST.TO	^NDX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.46	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.58	2.18	-1.60

Drawdowns

COST.TO vs. ^NDX - Drawdown Comparison

The maximum COST.TO drawdown since its inception was -31.60%, which is greater than ^NDX's maximum drawdown of -12.46%. Use the drawdown chart below to compare losses from any high point for COST.TO and ^NDX.

Drawdown Indicators

	COST.TO	^NDX	Difference
Max Drawdown Largest peak-to-trough decline	-31.60%	-12.46%	-19.14%
Max Drawdown (1Y) Largest decline over 1 year	-17.07%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-22.42%	—	—
Current Drawdown Current decline from peak	-11.76%	-5.00%	-6.76%
Average Drawdown Average peak-to-trough decline	-10.19%	-2.65%	-7.54%
Ulcer Index Depth and duration of drawdowns from previous peaks	10.26%	—	—

Volatility

Volatility by Period

	COST.TO	^NDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.04%	—	—
Volatility (6M) Calculated over the trailing 6-month period	15.17%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	19.27%	16.44%	+2.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.52%	16.44%	+7.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.52%	16.44%	+7.08%

Frequently Asked Questions

Can I hold both COST.TO and ^NDX in my portfolio?

COST.TO and ^NDX have a correlation of -0.03, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.