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When you specify a start and end time, this operation returns the prices of the instance types within the time range that you specified and the time when the price changed. The price is valid within the time period that you specified; the response merely indicates the last time that the price changed.
Version: (assembly version)
public virtual DescribeSpotPriceHistoryResponse DescribeSpotPriceHistory()
Supported in: 4.5, 4.0, 3.5