There is one thing I like tracking on tROAS campaigns that most people do not. Hit rate.
Not just what the ROAS was, but how many days the algorithm actually delivered what I asked for.
One subscription app, 56 days on Meta tROAS against a 55% target.
Two numbers come out of that:
- 36 days above target, so 64% of days
- Blended ROAS at 59.4%, which is 108% of the 55% target
The algorithm works. That is the problem.
It consistently overshoots what you ask for, which raises a question most accounts never get around to asking: if it is delivering 108% of your target, why are you not raising the target?
The two levers do different things.
- Budget scaling says find me more people like this
- Target raising says find me better people
Most teams reach for the first one automatically because it feels like growth. But an account that clears its target on two days out of three is telling you the target is set below what the account can do, and more budget at the same target just buys more of the same cohort.
Hit rate is what surfaces that. A single blended ROAS figure at the end of the month averages the signal away.