Compare · Opening Bell

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.

CHAT− 15.8%SPY− 0.5%QQQ− 3.6%Tap or hover the chart for values along the way

Selected

CHAT
1M Return− 15.78%
Today+ 3.71%
SPYSPDR S&P 500 ETF Trust
1M Return− 0.48%Partial Period · Sep 22, 2026 – Oct 27, 2026
Today+ 0.62%
QQQInvesco QQQ Trust
1M Return− 3.58%Partial Period · Sep 22, 2026 – Oct 27, 2026
Today+ 1.33%
Up to four stocks read side by side on the same scale.

Metrics Table

Metric	CHAT	SPYSPDR S&P 500 ETF Trust	QQQInvesco QQQ Trust
Return
Last Price	81.31	770.15	721.66
Daily Change	+ 3.71%	+ 0.62%	+ 1.33%
Period ReturnPast Month	− 15.78%	− 0.48%Sep 22, 2026 – Oct 27, 2026	− 3.58%Sep 22, 2026 – Oct 27, 2026
Valuation
Market Cap	–	–	–
P/E Ratio	–	–	–
Dividend Yield	–	–	–
Net MarginTrailing 12M	–	–	–
Risk
Beta	1.94	1.02	1.25
52-Week Range	56105	629782	556763
Company
Sector	–	–	–
Industry	–	–	–

Company

CHAT–
SPY–
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Claude Comparison Note

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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.