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Read two to four stocks on the same scale — return, valuation and volatility in one table.

SelectedToday1M Return

STXSeagate Technology Holdings PLC+ 5.39%− 1.61%
Partial Period · Jul 31, 2026 — Sep 4, 2026
AAPLApple Inc− 2.19%+ 3.91%
Partial Period · Jul 31, 2026 — Sep 4, 2026
DELLDell Technologies Inc+ 1.67%+ 14.98%
Partial Period · Jul 29, 2026 — Sep 1, 2026
WDCWestern Digital Corp+ 4.94%− 2.80%

Four symbols is the limit; remove one to add another.

Period Return

Each series is converted to a percentage of its own starting point, so all of them begin at zero. What is compared is the return over the period, not price levels.

STX− 1.6%AAPL+ 3.9%DELL+ 15.0%WDC− 2.8%Tap or hover the chart for values along the way

Metric	STXSeagate Technology Holdings PLC	AAPLApple Inc	DELLDell Technologies Inc	WDCWestern Digital Corp
Return
Last Price	841.65	321.02	525.00	463.40
Daily Change	+ 5.39%	− 2.19%	+ 1.67%	+ 4.94%
Period ReturnPast Month	− 1.61%Jul 31, 2026 — Sep 4, 2026	+ 3.91%Jul 31, 2026 — Sep 4, 2026	+ 14.98%Jul 29, 2026 — Sep 1, 2026	− 2.80%
Valuation
Market Cap	$191 B	$4.71 T	$340 B	$160 B
P/E Ratio	60.66	36.80	30.46	18.93
Dividend Yield	3.68%	0.51%	1.99%	0.12%
Net MarginTrailing 12M	26.1%	27.6%	7.5%	73.0%
Risk
Beta	2.15	1.10	1.43	2.27
52-Week Range	175.82 — $1,145.00	225.95 — $344.57	110.22 — $530.78	85.92 — $799.87
Company
Sector	Information Technology	Information Technology	Information Technology	Information Technology
Industry	Technology	Technology	Technology	Technology

Company

STXInformation Technology · Technology
AAPLInformation Technology · Technology
DELLInformation Technology · Technology
WDCInformation Technology · Technology

Alpaca · SIPUpdated 19:4815 Minutes Delayed

To Understand This

P/E and the Valuation RatiosYou can't tell whether a stock is cheap or expensive by looking at its price.Diversification: How Many Baskets Are Enough?Owning ten different stocks is not the same as owning ten different risks.