Total put open interest divided by total call open interest, taken over the WHOLE chain rather than the strikes on screen. Above one there are more puts outstanding than calls. This desk prints a percentile beside it, because the level that counts as high on one index in one year is ordinary on another.
Mayawhat these words mean
Maya reads the desk’s written explainers and the glossary. She holds no market data at all, so she can say what a thing is and cannot say what it is doing today.