An end date may refer to the end of the agreement between the real estate brokerage and the seller, or it could refer to the end of the time period the real estate brokerage placed a property on particular web site. Example: A broker may have a 6 month listing agreement with a seller, but that broker may place the property on "abc real estate property site" for 4 weeks, and renew the listing on that site after it expires. The reason for the short term is to increase accurate timely reporting of data for consumers. With each renewal of the posting online, appropriate or needed changes to prices, etc. can be made.