name : create-spot-datafeed-subscription.rst **To create a Spot Instance data feed** The following ``create-spot-datafeed-subscription`` example creates a Spot Instance data feed. :: aws ec2 create-spot-datafeed-subscription \ --bucket amzn-s3-demo-bucket \ --prefix spot-data-feed Output:: { "SpotDatafeedSubscription": { "Bucket": "amzn-s3-demo-bucket", "OwnerId": "123456789012", "Prefix": "spot-data-feed", "State": "Active" } } The data feed is stored in the Amazon S3 bucket that you specified. The file names for this data feed have the following format. :: amzn-s3-demo-bucket.s3.amazonaws.com/spot-data-feed/123456789012.YYYY-MM-DD-HH.n.abcd1234.gz For more information, see `Spot Instance data feed <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-data-feeds.html>`__ in the *Amazon Elastic Compute Cloud User Guide for Linux Instances*.