STX vs. COST

Last updated Apr 2, 2026

Compare and contrast key facts about Seagate Technology plc (STX) and Costco Wholesale Corporation (COST).

Performance

STX vs. COST - Performance Comparison

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

STX vs. COST - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
STX Seagate Technology plc	53.91%	225.26%	4.06%	69.12%	-51.42%	87.50%	10.14%	62.14%	-2.90%	16.67%
COST Costco Wholesale Corporation	15.72%	-5.39%	39.62%	49.00%	-19.05%	51.82%	32.67%	45.70%	10.60%	22.37%

Fundamentals

EPS STX : $8.81 COST : $25.63
PE Ratio STX : 48.04 COST : 38.88
PEG Ratio STX : 0.57 COST : 3.04
PS Ratio STX : 9.41 COST : 1.16
Total Revenue (TTM) STX : $10.06B COST : $286.27B
Gross Profit (TTM) STX : $3.89B COST : $19.33B
EBITDA (TTM) STX : $2.29B COST : $12.73B

Returns By Period

In the year-to-date period, STX achieves a 53.91% return, which is significantly higher than COST's 15.72% return. Over the past 10 years, STX has outperformed COST with an annualized return of 34.69%, while COST has yielded a comparatively lower 22.28% annualized return.

STX

• 1D: 8.00%
• 1M: 11.68%
• YTD: 53.91%
• 6M: 65.46%
• 1Y: 406.95%
• 3Y*: 90.66%
• 5Y*: 44.50%
• 10Y*: 34.69%

COST

• 1D: 0.01%
• 1M: -0.62%
• YTD: 15.72%
• 6M: 8.94%
• 1Y: 4.99%
• 3Y*: 27.83%
• 5Y*: 24.29%
• 10Y*: 22.28%

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

Return for Risk

STX vs. COST — Risk / Return Rank

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

STX

STX Risk / Return Rank: 99
STX Sharpe Ratio Rank: 100
STX Sortino Ratio Rank: 98
STX Omega Ratio Rank: 98
STX Calmar Ratio Rank: 99
STX Martin Ratio Rank: 100

COST

COST Risk / Return Rank: 46
COST Sharpe Ratio Rank: 50
COST Sortino Ratio Rank: 41
COST Omega Ratio Rank: 40
COST Calmar Ratio Rank: 48
COST Martin Ratio Rank: 48

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.

STX vs. COST - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Seagate Technology plc (STX) 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.

	STX	COST	Difference
Sharpe ratio Return per unit of total volatility	6.29	0.25	+6.05
Sortino ratio Return per unit of downside risk	4.86	0.50	+4.36
Omega ratio Gain probability vs. loss probability	1.66	1.06	+0.59
Calmar ratio Return relative to maximum drawdown	18.23	0.31	+17.92
Martin ratio Return relative to average drawdown	50.66	0.61	+50.05
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

STX vs. COST - Sharpe Ratio Comparison

The current STX Sharpe Ratio is 6.29, which is higher than the COST Sharpe Ratio of 0.25. The chart below compares the historical Sharpe Ratios of STX and COST, 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

	STX	COST	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	6.29	0.25	+6.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.02	1.08	-0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.82	1.02	-0.20
Sharpe Ratio (All Time) Calculated using the full available price history	0.45	0.59	-0.14

Correlation

The correlation between STX and COST is 0.29, 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

STX vs. COST - Dividend Comparison

STX's dividend yield for the trailing twelve months is around 0.69%, more than COST's 0.52% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
STX Seagate Technology plc	0.69%	1.05%	3.27%	3.28%	5.32%	2.40%	4.21%	4.27%	6.53%	6.02%	6.60%	6.14%
COST Costco Wholesale Corporation	0.52%	0.59%	0.49%	2.87%	0.76%	0.54%	3.38%	0.86%	1.08%	4.81%	1.09%	4.06%

Drawdowns

STX vs. COST - Drawdown Comparison

The maximum STX drawdown since its inception was -88.74%, which is greater than COST's maximum drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for STX and COST.

Drawdown Indicators

	STX	COST	Difference
Max Drawdown Largest peak-to-trough decline	-88.74%	-53.39%	-35.35%
Max Drawdown (1Y) Largest decline over 1 year	-22.19%	-19.35%	-2.84%
Max Drawdown (5Y) Largest decline over 5 years	-56.99%	-31.40%	-25.59%
Max Drawdown (10Y) Largest decline over 10 years	-56.99%	-31.40%	-25.59%
Current Drawdown Current decline from peak	-5.09%	-6.95%	+1.86%
Average Drawdown Average peak-to-trough decline	-26.65%	-13.40%	-13.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.98%	9.67%	-1.69%

Volatility

STX vs. COST - Volatility Comparison

Seagate Technology plc (STX) has a higher volatility of 22.28% compared to Costco Wholesale Corporation (COST) at 4.38%. This indicates that STX'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

	STX	COST	Difference
Volatility (1M) Calculated over the trailing 1-month period	22.28%	4.38%	+17.90%
Volatility (6M) Calculated over the trailing 6-month period	53.83%	13.33%	+40.50%
Volatility (1Y) Calculated over the trailing 1-year period	65.18%	20.08%	+45.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	44.03%	22.51%	+21.52%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.60%	21.90%	+20.70%

Financials

STX vs. COST - Profitability Comparison

The chart below illustrates the profitability comparison between Seagate Technology plc and Costco Wholesale Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

STX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Seagate Technology plc reported a gross profit of 1.18B and revenue of 2.83B. Therefore, the gross margin over that period was 41.6%.

COST - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Costco Wholesale Corporation reported a gross profit of -8.80B and revenue of 69.60B. Therefore, the gross margin over that period was -12.6%.

STX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Seagate Technology plc reported an operating income of 830.00M and revenue of 2.83B, resulting in an operating margin of 29.4%.

COST - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Costco Wholesale Corporation reported an operating income of 2.61B and revenue of 69.60B, resulting in an operating margin of 3.7%.

STX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Seagate Technology plc reported a net income of 593.00M and revenue of 2.83B, resulting in a net margin of 21.0%.

COST - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Costco Wholesale Corporation reported a net income of 2.04B and revenue of 69.60B, resulting in a net margin of 2.9%.