1. for google financial data the frequency of returned data is either "DAILY" or "WEEKLY" for kiteconnect we get 1,5,15,60,daily,weekly.. historical data 2. also we can get realtime ohlc values using historical data . 3. we have some limitations there: reference https://support.google.com/docs/answer/3093281?hl=en says "Historical data cannot be downloaded or accessed via the Sheets API or Apps Script. If you attempt to do so, you will see a #N/A error in place of the values in the corresponding cells of your spreadsheet." and "Quotes are not sourced from all markets and may be delayed up to 20 minutes. Information is provided 'as is' and solely for informational purposes, not for trading purposes or advice."
You can get upto 6 years of historical data for futures contracts and more than 10 years of data for equity.
for kiteconnect we get 1,5,15,60,daily,weekly.. historical data
2. also we can get realtime ohlc values using historical data .
3. we have some limitations there:
reference https://support.google.com/docs/answer/3093281?hl=en says
"Historical data cannot be downloaded or accessed via the Sheets API or Apps Script. If you attempt to do so, you will see a #N/A error in place of the values in the corresponding cells of your spreadsheet."
and
"Quotes are not sourced from all markets and may be delayed up to 20 minutes. Information is provided 'as is' and solely for informational purposes, not for trading purposes or advice."
Yes, equity OHLC data is corporate action price adjusted since 2010.