# Interval Predictions

Let the outcome space $\Omega$ be a linearly ordered space (such as the real line $\mathbb{R}$). An *interval prediction* for an outcome $\omega\in\Omega$ is an interval ${[a,b]} \subseteq \Omega$, where $a,b\in\Omega$. This kind of predictions is studied in conformal prediction and is the subject of competitive on-line interval prediction.

For other kinds of predictions, see game of prediction. In particular, region predictions are more general than interval predictions.