Snapshot feed works a bit like a web page, the data is requested to the feed and since there is no notification when it changes it is necessary to refresh it periodically. You can keep thousands of quotes within a minute using this method. A sophisticated system is used to control if the data effectively was retrieved from the server repeating the request if it fails.

To setup auto-refresh interval:

QuoteIN > Feeds > double-click feed > click 'Feed Parameters tab'

Real time snapshots sources are Money net snapshots, PC Quote MarketSmart, PCQuote snapshots Delayed and free delayed feeds from MSN, Yahoo.

All snapshot feed have and auxiliary Field named RTIME that shows the last time a particular symbol was refreshed.

Example:

=P("IBM", "RTIME", "PMS") last time symbol IBM was refreshed

Status field for snapshots

=P(“IBM”, “STATUS”, “PMS”)

« Request was sent to server ok Answer came and is ok n/a Server says symbol is not available … no answer coming from server (QuoteLink will repeat it 5 times before abandoning it until a manual refresh)