Why is the buy average for some shares shown as N/A?

The buy average can be N/A for a few reasons:

• If the shares are transferred from another broker to Zerodha. In this case, the buy average must be manually entered on Console. To learn more, How to update the buy average on Console?
• If a stock is undergoing a corporate action like a bonus or split, the buy average will have to be adjusted. The buy average is automatically updated within a few days from the record date.
• If the stock is received via Employee Stock Ownership Plan (ESOP) or an off-market transaction. In this case, the buy average must be entered manually on Console.