QUBT vs. COST

Last updated Jun 9, 2026

QUBT (Quantum Computing, Inc.) and COST (Costco Wholesale Corporation) are both stocks. QUBT operates in Computer Hardware (Technology), while COST operates in Discount Stores (Consumer Defensive). Over the past 5 years, QUBT returned 9.20%/yr vs 22.05%/yr for COST. At a 0.07 correlation, their price movements are largely independent.

Performance

QUBT vs. COST - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Quantum Computing, Inc. (QUBT) and Costco Wholesale Corporation (COST). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, QUBT achieves a 1.85% return, which is significantly lower than COST's 13.35% return.

QUBT

• 1D: 4.97%
• 1M: 8.85%
• YTD: 1.85%
• 6M: -19.68%
• 1Y: -23.72%
• 3Y*: 90.15%
• 5Y*: 9.20%
• 10Y*: —

COST

• 1D: 0.30%
• 1M: -3.37%
• YTD: 13.35%
• 6M: 10.14%
• 1Y: -3.42%
• 3Y*: 25.18%
• 5Y*: 22.05%
• 10Y*: 22.25%

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

QUBT vs. COST - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
QUBT Quantum Computing, Inc.	1.85%	-38.01%	1,712.51%	-39.53%	-55.72%	-75.83%	370.33%	0.00%	-42.31%
COST Costco Wholesale Corporation	13.35%	-5.39%	39.62%	49.00%	-19.05%	51.82%	32.67%	45.70%	-6.41%

Correlation

The correlation between QUBT and COST is -0.06, 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 (1Y) Calculated over the trailing 1-year period	-0.06
Correlation (3Y) Calculated over the trailing 3-year period	0.07
Correlation (5Y) Calculated over the trailing 5-year period	0.11
Correlation (All Time) Calculated using the full available price history since Aug 1, 2018	0.07

The correlation between QUBT and COST shifts across timeframes, from -0.06 (1 year) to 0.11 (5 years), reflecting how their relationship changes across market environments.

Fundamentals

EPS QUBT : -$0.21 COST : $26.51
PS Ratio QUBT : 451.06 COST : 1.11
Total Revenue (TTM) QUBT : $4.33M COST : $293.59B
Gross Profit (TTM) QUBT : -$667.00K COST : $11.12B
EBITDA (TTM) QUBT : -$52.52M COST : $12.48B

Return for Risk

QUBT vs. COST — Risk / Return Rank

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

QUBT

QUBT Risk / Return Rank: 36
QUBT Sharpe Ratio Rank: 33
QUBT Sortino Ratio Rank: 41
QUBT Omega Ratio Rank: 39
QUBT Calmar Ratio Rank: 32
QUBT Martin Ratio Rank: 33

COST

COST Risk / Return Rank: 32
COST Sharpe Ratio Rank: 34
COST Sortino Ratio Rank: 28
COST Omega Ratio Rank: 28
COST Calmar Ratio Rank: 35
COST Martin Ratio Rank: 33

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.

QUBT vs. COST - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Quantum Computing, Inc. (QUBT) and Costco Wholesale Corporation (COST). 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.

	QUBT	COST	Difference
Sharpe ratio: Return per unit of total volatility	-0.22	-0.18	-0.04
Sortino ratio: Return per unit of downside risk	0.43	-0.13	+0.55
Omega ratio: Gain probability vs. loss probability	1.04	0.98	+0.06
Calmar ratio: Return relative to maximum drawdown	-0.32	-0.22	-0.10
Martin ratio: Return relative to average drawdown	-0.49	-0.51	+0.02
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

QUBT vs. COST - Sharpe Ratio Comparison

The current QUBT Sharpe Ratio is -0.22, which is comparable to the COST Sharpe Ratio of -0.18. The chart below compares the historical Sharpe Ratios of QUBT and COST, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	QUBT	COST	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.22	-0.18	-0.04
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.07	0.98	-0.91
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	1.02	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.06	0.59	-0.53

Drawdowns

QUBT vs. COST - Drawdown Comparison

The maximum QUBT drawdown since its inception was -97.53%, which is greater than COST's maximum drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for QUBT and COST.

Drawdown Indicators

	QUBT	COST	Difference
Max Drawdown Largest peak-to-trough decline	-97.53%	-53.39%	-44.14%
Max Drawdown (1Y) Largest decline over 1 year	-74.37%	-15.38%	-58.99%
Max Drawdown (3Y) Largest decline over 3 years	-82.40%	-20.74%	-61.66%
Max Drawdown (5Y) Largest decline over 5 years	-95.63%	-31.40%	-64.23%
Max Drawdown (10Y) Largest decline over 10 years	—	-31.40%	—
Current Drawdown Current decline from peak	-59.31%	-10.93%	-48.38%
Average Drawdown Average peak-to-trough decline	-72.96%	-13.36%	-59.60%
Ulcer Index Depth and duration of drawdowns from previous peaks	48.08%	7.15%	+40.93%

Volatility

QUBT vs. COST - Volatility Comparison

Quantum Computing, Inc. (QUBT) has a higher volatility of 36.37% compared to Costco Wholesale Corporation (COST) at 7.71%. This indicates that QUBT's price experiences larger fluctuations and is considered to be riskier than COST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	QUBT	COST	Difference
Volatility (1M) Calculated over the trailing 1-month period	36.37%	7.71%	+28.66%
Volatility (6M) Calculated over the trailing 6-month period	67.03%	14.53%	+52.50%
Volatility (1Y) Calculated over the trailing 1-year period	106.87%	18.79%	+88.08%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	133.10%	22.71%	+110.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	177.68%	21.95%	+155.73%

Dividends

QUBT vs. COST - Dividend Comparison

QUBT has not paid dividends to shareholders, while COST's dividend yield for the trailing twelve months is around 0.55%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
COST Costco Wholesale Corporation	0.55%	0.59%	0.49%	2.87%	0.76%	0.54%	3.38%	0.86%	1.08%	4.81%	1.09%	4.06%
QUBT Quantum Computing, 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%

Financials

Frequently Asked Questions

Can I hold both QUBT and COST in my portfolio?

QUBT and COST have a correlation of -0.06, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, QUBT or COST?

QUBT has higher volatility (36.37%) compared to COST (7.71%). In terms of maximum drawdown, QUBT dropped -97.53% vs COST's -53.39%.

Which has better risk-adjusted returns?

COST currently has the higher Sharpe Ratio (-0.18 vs -0.22), 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.