Historical Stock Comparison
Compare Stocks and Market Indexes
Compare up to three U.S. stocks or market indexes over the same historical period. Select the assets and time horizon to examine their relative historical performance, percentage changes and KNZ Score indicators.
Interactive Tool
Build Your Comparison
Select a period and up to three assets. The chart below will update automatically.
- 1 Week
- 1 Month
- 4 Months
- 1 Year
- 2 Years
Historical Performance
Historical percentage variation for the selected assets and period.
The chart shows historical percentage variation relative to the beginning of the selected period. It is intended for historical comparison and does not predict future performance.
Historical Indicators
Latest available historical indicators for the selected assets.
| Company | KNZ Score | 1 Day | 7 Days | 30 Days | 120 Days | 360 Days | Last Date | Sector |
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How to Use the Comparison Tool
Examine several assets using the same historical period and compare their results in a common chart and table.
Select the period
Choose 1 Week, 1 Month, 4 Months, 1 Year or 2 Years. The selected period determines the historical window displayed in the comparison chart.
Select up to three assets
Choose individual companies or market indexes. You can compare companies with each other or use an index such as the S&P 500 as a reference.
Examine the results
Compare the lines in the chart and then examine the historical indicators, KNZ Score, sector and latest available date in the table.
What does the chart show?
The comparison chart displays the historical percentage variation of each selected asset over the chosen period. The series are shown together so that their relative movements can be examined using the same time window.
A value above zero represents an increase relative to the beginning of the selected period, while a value below zero represents a decrease.
Why compare the same period?
Using the same historical window provides a common reference point for the selected assets and avoids comparing one asset over a short period with another over a longer period.
Short periods emphasize recent movements, while longer periods provide a broader historical perspective.
Understanding the Available Periods
1 Week
Useful for examining very recent historical price movements.
1 Month
Provides a broader view of recent market behavior.
4 Months
Provides a medium-term historical comparison.
1 Year
Provides a broader reference covering approximately one year of historical performance.
2 Years
Provides a longer historical perspective and can reveal differences that are less visible over shorter periods.
Using the KNZ Score in a comparison
The KNZ Score is a statistical indicator developed by KNZ Charts to summarize historical price behavior across multiple time horizons.
Within the KNZ methodology, higher values represent relatively stronger historical behavior, while lower values represent relatively weaker historical behavior.
The score is best interpreted together with the historical performance indicators rather than as a standalone measure.
KNZ Score is not a forecast
The KNZ Score is calculated from historical data. A positive score does not guarantee future appreciation, and a negative score does not guarantee future losses.
Historical relationships can change as market conditions, company fundamentals, interest rates, economic conditions and investor expectations change.
For more information, visit the KNZ Score methodology page.
Examples of Useful Comparisons
Stock vs. S&P 500
Select an individual stock together with the S&P 500 (^GSPC) to provide a broader U.S. equity market reference.
Two companies
Compare two companies over identical historical periods to examine differences in their historical performance.
Three companies
Compare a group of three companies at the same time to examine differences across several assets.
How to interpret a comparison
Start by examining whether the selected assets moved in the same direction during the chosen period. Then compare the magnitude of their historical changes and consider the broader market reference when an index is included.
The table provides additional historical horizons of 1 day, 7 days, 30 days, 120 days and 360 days. These different windows can reveal whether recent historical performance differs from longer-term behavior.
These indicators describe historical observations. They should not be interpreted as forecasts of future returns.
Important Information
KNZ Charts provides historical market data and statistical analysis for informational and educational purposes. The comparison tool does not provide personalized investment advice, recommendations to buy or sell securities, or guarantees about future performance. Historical performance and statistical indicators should not be interpreted as predictions of future returns.