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Library · Traffic · How to run this

Hyros call-holdout lift is not Rockerbox path-holdout lift

How to run thisTraffic3 steps
CalculatorHyros incrementality holdout · Calculator lives in the articleOpen

Divide lift $ by holdout spend $, and again by control $, on one Hyros call-holdout window. The spend quotient is HY call-inc ROAS.

Pair: Incrementality holdout on Traffic. Rockerbox sibling: path-holdout. Halo sibling: halo gap.

What you type

Holdout spend $ — Media $ in the Hyros call-holdout / test cell for the window.

Lift $ — Measured incremental revenue $ vs the control design on that call-holdout window.

Control $ — Control cohort revenue $ in that same Hyros call-holdout window.

HY call-inc ROAS = lift ÷ spend. Lift vs control % = lift ÷ control × 100. Soft HY call-inc ROAS usually means call-holdout map lag — chase that seat; never invent a lift chip.

What not to do

Never invent lift $ or HY call-inc ROAS. Never paste a Rockerbox path-holdout or Northbeam geo-holdout file into Hyros call-holdout fields. Never fold halo-vs-direct or call-attribution share into call-holdout lift. Never mix holdout spend from one week with control revenue from another.

Related: Traffic, Rockerbox path-holdout, halo gap, call-attribution.

Procedure

  1. Type holdout spend $, lift $, and control $.
  2. Read HY call-inc ROAS and lift-vs-control %.
  3. Bid on call-holdout ROAS when HY call-inc ROAS is the trusted book.

Failure modes

  • Inventing HY call-inc ROAS or lift $.
  • Dumping a Rockerbox path-holdout or Northbeam geo-holdout file into Hyros call-holdout fields.
  • Folding Hyros halo-vs-direct or call-attribution share into call-holdout lift.

Worked example

None on this page yet. When one lands it will be a real case: what broke, the number, and what changed. Not a composite.

Glossary

HY call-inc ROAS
Lift $ ÷ Holdout spend $. Lift vs control % = Lift $ ÷ Control $ × 100.

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FAQ

Is this Rockerbox incrementality holdout?
Different holdout export. [Incrementality holdout](/manuals/rockerbox-incrementality-holdout) reads Rockerbox path holdouts. Here you only measure Hyros call-holdout lift against Hyros holdout spend and control $.
Is this Hyros halo-vs-direct gap?
Sibling Hyros attribution door, not call-holdout lift. [Halo-vs-direct gap](/manuals/hyros-halo-vs-direct) is |halo − direct| ÷ (halo + direct). This page is holdout spend vs measured lift $.
What lift $ should I invent?
None. Type holdout spend $, lift $, and control $ from the same Hyros call-holdout window.