What is the On-Schedule Indicator (OSI)?

[rscomponentseo]

What is the On-Schedule Indicator (OSI)?

[yuva12]

The OSI (On-Schedule-Indicator) uses an index of 100 to show a campaign that is pacing to meet delivery goals. ... It's well documented that when multiple ad servers are used to deliver a campaign, discrepancies in reporting ad impressions will occur.

[akshaypandit]

the percent likelihood the campaign will deliver all impressions booked.

[Kailash]

OSI is a metric that indicates the percentage of delivered impressions for a line item relative to the impression goal and the time elapsed in a campaign.