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Date/Time: Sat, 19 Jul 2025 13:19:10 +0000



Post From: Backtesting data - loading times of charts

[2025-07-15 12:00:20]
Cell2985 - Posts: 3
Dear Engineering legends,

I have the following issue;
Due to having an old computer and being poor, I thought I was cleaver to start a separate VPS specifically for back testing. But for some reason, and I cannot figure out why, loading times for NQ charts (specifically two years of tick data) loads very slow. We are talking sub 60mb/s where bursts of 8gb/s are available and tested with a disk checker. I can work around this by using second based chart updates and limiting the size of the data files instead of tick data. But I would rather use tick data.

Is there a setting that I overlooked? Should I use a dedicated server? I have 4 vCPU's, 16GB of DDR5 RAM and a Gen4 NVMe SSD running up to 5000mb/s available (which has 8000mb/s bursts). Is that enough? How am I being bottle necked and how can I fix this?

Thank you in advance for your efforts!

Kind regards,

K.