Each month, Pi collects the most up-to-date search volume from Google Adwords. However, it may appear that the data is out of date. For example, it could be May 2021 but Position Explorer Table is notifying that search volume was last updated in March 2021:

Google releases market data roughly mid-way through the following month, therefore, there can be up to a two-month gap in search volume. For example:

Whilst the new data is collected, Pi will only continue to display the last full month of collected data for consistency. Once all the data for the newest month is collected, this data will automatically update in Pi and the process starts over.

Learn more about how we collect market data, here.