AWS Reserved Instance Marketplace (RIM) Data

The following trace contains AWS reserved instance marketplace (RIM) data from every AWS region for every VM type at 30 minute frequency starting from September-2018 to May-2020. Data collection is ongoing, so check this page for future updates.

Note that we cannot track actual sales of reserved instances in RIM versus listing cancellations, but can only observe when listings come on and go off the market.


All traces are in CSV format. Data have been collected with simple python script using EC2’s Boto3 API (specifically, used describe-reserved-instances-offerings API call to collect the data). Check AWS documentation for further details on data fields ([]( recorded in the data.

Our HotCloud’20 paper No Reservations: A First Look at Amazon's Reserved Instance Marketplace, provides an initial analysis of the RIM data. Please cite this paper when making use of the data.

Data Fields

  • TimeStamp: The time of recorded data.
  • Duration: The duration of the Reserved Instance, in seconds.
  • FixedPrice: The purchase price of the Reserved Instance.
  • InstanceType: The instance type on which the Reserved Instance can be used.
  • ProductDescription: The Reserved Instance product platform description.
  • ReservedInstancesOfferingId: The ID of the Reserved Instance offering. This is the offering ID used in GetReservedInstancesExchangeQuote to confirm that an exchange can be made.
  • UsagePrice: The usage price of the Reserved Instance, per hour.
  • CurrencyCode: The currency of the Reserved Instance offering you are purchasing. It's specified using ISO 4217 standard currency codes. At this time, the only supported currency is USD .
  • InstanceTenancy: The tenancy of the instance.
  • Marketplace: Indicates whether the offering is available through the Reserved Instance Marketplace (resale) or AWS. If it's a Reserved Instance Marketplace offering, this is true .
  • OfferingClass: If convertible it can be exchanged for Reserved Instances of the same or higher monetary value, with different configurations. If standard , it is not possible to perform an exchange.
  • OfferingType: The Reserved Instance offering type.
  • PricingDetails: The pricing details of the Reserved Instance offering. This field is a list and this list contains the count (number of reservations available for the price) and price (the price per instance).
  • RecurringCharges: The recurring charge tag assigned to the resource. This field is a list and this list contains amount (the amount of recurring charge) and frequency (frequency of recurring charge).
  • Scope: Whether the Reserved Instance is applied to instances in a Region or an Availability Zone.


  • No Reservations: A First Look at Amazon's Reserved Instance Marketplace. Pradeep Ambati, David Irwin, and Prashant Shenoy. 12th USENIX Workshop on Hot Topics in Cloud Computing (HotCloud 20), BOSTON, MA, USA.
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Page last modified on May 26, 2020, at 11:09 AM