Description
In Yahoo Finance, the VNINDEX symbol is available for 1d and 5d ranges with 4h (and lower) intervals; otherwise, it shows no data.
Right now, the API used to fetch chart data hardcodes both the interval and range:
https://query1.finance.yahoo.com/v8/finance/chart/%s?range=1mo&interval=1d
Description
In Yahoo Finance, the VNINDEX symbol is available for 1d and 5d ranges with 4h (and lower) intervals; otherwise, it shows no data.
Right now, the API used to fetch chart data hardcodes both the interval and range: