Case 07 / Multiverse retention / Slide 12
Portal Cache
Deck note 12
Audience signal / week two

Portal hooks lift retention 23 points.

Callback endings lift week-two return by 23 points and push watch time to 1.6x.
Retention model
Acid-green beats drift.
Keep the portal open
1.6x
Cold open versus portal hook
Q4Audience study / internal sample
Cold open, no callback
38%
Week-two return
0204060
1.6x
Average watch time
Portal hook + callback
61%
Week-two return
0204060
Source: Internal audience tracking, Q4 2024
Portal hooks keep the drift down.
Portal Cache 12