One Metric That Matters / OMTM
Updated 2026-09-11
INTRODUCTION
English translation pending.
CORE DEFINITION
The One Metric That Matters, or OMTM, holds that at any given stage a team should focus on the one indicator that most reflects the health of the business, while other metrics may be tracked but not used as the basis for decisions. The core claim is that having too many metrics is the same as having none, because attention divides and no signal can be acted on, so the discipline lies in forcing the choice of which single number to watch. The key condition is that the metric match the current phase, since the number that measures a product's survival differs from the one that measures its revenue, and that it be switched when the phase changes.
SCAFFOLDING EFFECT
Reduce cognitive load
- Forced choice: if only one number could be watched, decide which one it is. - Phase matching: pick the metric that reflects this stage's actual bottleneck. - Metric rotation: switch the number when the stage changes rather than keeping it forever.
Anchor fast decisions
Attention is a finite and divided resource, so a dashboard of twenty numbers is read as twenty inputs competing for the same decisions, and the response is to watch the one that moved last. A single metric concentrates the whole team's interpretation on the same signal, which aligns action without any coordination cost. Because the metric is phase-specific, it points at the current bottleneck, which is what makes the focus productive rather than merely narrow.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- wiki.mbalib.comhttps://wiki.mbalib.com/wiki/OMTMverified
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