Ticker Multiple
From 2018-01-11 00:00:00
To 2020-08-10 00:00:00
Security Type Equity
Market USA
Resolution Daily
Status Resolved

I noticed that on January 11th 2018 there are only 2506 stocks available, while before and after this data there are around 7600 stocks. Is there some data missing?

also found such problems on 7/3/2020 (0 stocks) and maybe 4-10 August 2020 (5k-6k stocks)