# InstanceSavingsEstimationMode
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 Describes the savings estimation mode used for calculating savings opportunity for Amazon EC2 instances. 

## Contents
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 ** source **   <a name="computeoptimizer-Type-InstanceSavingsEstimationMode-source"></a>
 Describes the source for calculating the savings opportunity for Amazon EC2 instances.   
Type: String  
Valid Values: `PublicPricing | CostExplorerRightsizing | CostOptimizationHub`   
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/compute-optimizer-2019-11-01/InstanceSavingsEstimationMode) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/compute-optimizer-2019-11-01/InstanceSavingsEstimationMode) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/compute-optimizer-2019-11-01/InstanceSavingsEstimationMode)