Are the highs and lows of the total portfolio value also incorrect on your crypto exchanges?

Hello,

The question is primarily aimed at traders and crypto enthusiasts with a portfolio.

As already mentioned in the title, I'd be interested to know whether your total portfolio value (graph/chart) is also partially incorrect. Of course, I realize that this has no impact on trading, HODLing, etc.

I noticed on Bitvavo that various highs my portfolio had already reached were no longer displayed. Instead, I was shown low values. At first, I couldn't explain it, and neither could the support team, until I took a closer look at the chart.

I noticed that different resolutions are used for 1D (every 5 minutes), 7D (30 minutes), 30D (every 2 hours), and 1J (24 hours), as well as for Every (7 days). Presumably, this is to save data resources and speed up the build. Unfortunately, a lot of data is lost in the process.

Is this the case on all stock exchanges?