As you can see in the video, when timeframe M1 is selected, the monday 16th of september 2019 disepear and the yellow ellipse is not on candles.
This is nothing to do with MT4.It is related to the broker. Because the quotes/data is related to the broker: some brokers are
having good quality quotes/data, the other brokers - not.
And MetaQuotes is not a broker.