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Correlation measures the statistical relationship between the price movements of the different assets inside your portfolio. It is the mathematical backbone of true diversification. If you build a portfolio of 20 stocks, but they all have a perfect positive correlation with each other, you are not actually diversified—you just own 20 versions of the exact same risk profile.

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Interpreting the Correlation Coefficient (rr)

Correlation is measured on a strict scale from -1.0 to +1.0.
RelationshipStrategic Impact
+1.0Perfect PositiveAssets move in the exact same direction at the exact same time. Zero diversification benefit.
+0.5 to +0.8Strong PositiveAssets are highly related (often in the same sector, like two IT stocks). High structural risk.
0.0UncorrelatedAsset movements are completely independent of one another. The holy grail of risk reduction.
-0.5 to -1.0NegativeAssets move in opposite directions. Excellent for hedging (e.g., holding Gold against Equities).

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The Kalpi Correlation Matrix

Inside the Correlation tab of your Portfolio Analysis, Kalpi generates a visual matrix plotting the relationship between every single asset in your basket. Look for heavy clusters of dark red (highly correlated) variables. If you see a cluster, your algorithm is over-exposed to a specific sector or macroeconomic factor, and you should manually swap one of those assets out in the Basket Builder.