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Hello @SunsetRunner, I hope you're doing well, it's nice to see you around. 
I would like to thank you for your report and findings. At this moment I will forward the information you have provided to our team so they can take a better look at this situation. In the meantime, please force-quit the app by double tapping the home button on your phone and swipe up the app, then open the app again and check if the graph was corrected.
Once again, thanks for your report, once I have more information to share about this situation I'll make sure to update the thread accordingly. If there's anything else I can do for you, please feel free to reply.
Best Answer