Did you read the disclaimer at the bottom of the chart? The May 2020 slope is due to a change in bank financial reporting. Edit. Looks like they changed the me

Did you read the disclaimer at the bottom of the chart? The May 2020 slope is due to a change in bank financial reporting. Edit. Looks like they changed the meaning of what an asset is and included the word liquid. 12000 billion could account for the worth of the stock markets.