Post-roll ads play after content ends — after the final scene, after the credits, after the match is over. Of the three main video ad positions (pre-roll, mid-roll, post-roll), post-roll has the lowest completion rate and is least commonly sold as a primary format. However, in specific contexts, post-roll is a legitimate and cost-efficient placement worth understanding.
Why post-roll has low completion rates
The fundamental problem with post-roll is that the viewer's motivation has been satisfied. They watched what they came to watch. When the content ends, a significant proportion immediately navigate away — to the next episode, to the home screen, to another app. An ad that starts playing into that moment of navigation loses the viewer who is already in motion.
Typical post-roll completion rates on CTV run 40–65%, compared to 85–95% for non-skippable pre-roll. This is not because post-roll viewers are less engaged during the ad — it is because fewer viewers are still present when the ad begins.
When post-roll works
Post-roll performs best in specific scenarios. First, episodic content where the viewer intends to watch the next episode immediately — the moment between episodes is a natural pause where post-roll has a captive audience. Second, content with a strong reward loop — viewers who have just completed a piece of content feel a sense of accomplishment and may be receptive to a well-targeted message. Third, direct-response formats where the call to action is timed to the post-view moment: a food delivery ad after a cooking show, a travel ad after a travel documentary.
Post-roll is often bundled with pre-roll in direct deals at a discount — the publisher fills the slot and the advertiser gets additional impressions at a lower effective CPM. This bundling approach is common on Indian platforms and can be efficient if the campaign's primary KPI is reach rather than completion rate.
Post-roll CPMs in India
Post-roll CPMs in India are typically 40–60% of the pre-roll CPM on the same platform. On JioCinema and Hotstar, post-roll is often available only as part of a bundled package rather than as a standalone buy. YouTube CTV post-roll (end-screen formats) is available but less commonly targeted as a standalone placement by India advertisers.
Post-roll vs alternative placements
For most India CTV campaigns, the choice is not between post-roll and other positions — it is whether to include post-roll as an incremental placement at a discount once pre-roll allocation is set. Pre-roll and mid-roll (where available) should be the primary allocations. Post-roll is a secondary fill at reduced cost, relevant when reach efficiency matters more than completion rate purity.
If the goal is high completion rates and brand awareness, skip post-roll entirely and put the budget into pre-roll on premium content. If the goal is reach at efficient CPM with tolerance for some waste, bundled post-roll at a discount is worth including.
India-specific context
Post-roll is less discussed in India CTV planning conversations because India's major platforms — JioCinema, Hotstar — are primarily live-sports and long-form drama environments. Post-roll on a 3.5-hour IPL match has almost no audience: viewers navigate away the moment the match ends. Post-roll on episodic drama has more value because binge-watching behaviour creates a natural between-episode captive moment. As India CTV matures and more episodic content is consumed, post-roll's relevance may increase.