spot Strategy
The spot strategy for a Pay-As-You-Go instance. This parameter is valid and required only when InstanceChargeType is set to PostPaid. Value range:
NoSpot: Normal Pay-As-You-Go instance.
SpotWithPriceLimit: Sets the maximum price for a spot instance.
SpotAsPriceGo: The system automatically calculates the price. The maximum value is the Pay-As-You-Go price.