Enable the extension
Turn it on only when you want to configure new course data.
Free Chrome extension
Find course data.
Maintain portfolios.
Copy the course URL and required JSON paths directly from OnVista into Portfolio Performance—without manually searching network requests.
- No account
- No data collection
- Open source
OnVista · Historical coursesActive
Portfolio PerformanceConfigure historical courses
FreeChrome extension
DirectInside OnVista
0Data collected
OpenSource code
Fewer detours
From OnVista to Portfolio Performance.
The extension detects new chart requests and displays the course URL and JSON paths in a clear dialog. Copy them into Portfolio Performance and continue.
Three simple steps
Historical courses without guesswork.
Open an OnVista chart
Select the security, exchange, and time range you need.
Copy the values
Transfer the URL, date path, and course path into Portfolio Performance.
Matching data
Exchange and time range stay in context.
The course data reflects the selected exchange. The start date in the URL is checked against the chart request.
JSON configuration
"url": "https://api.onvista.de/...""datePath": "$.datetimeLast[*]""closePath": "$.last[*]"Inside your workflow
No developer tools and no manual hunt for the correct request.
Ready to copy
Transfer the displayed values directly into Portfolio Performance.
Local and transparent
Your financial data stays yours.
No data collectionThe extension does not collect, sell, or transfer personal data.
No accountInstall and use it without registration.
Open sourceInspect the implementation on GitHub.
Frequently asked
Good to know.
What does the extension display?
The detected course URL plus the date and course paths needed for historical JSON data in Portfolio Performance.
Does the selected exchange matter?
Yes. The displayed course data reflects the exchange selected on OnVista.
Does it need to stay enabled?
No. Use the switch to enable it only when needed.
Is personal data transferred?
No. The Chrome Web Store disclosure states that no user data is collected or used.
Less searching. Faster imports.
Get the OnVista values Portfolio Performance needs directly in Chrome.
＋ Add to Chrome — it’s free
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