On which exchange is it traded?
FT 11398: Vest Large Cap Deep Buffered 30 Portfolio, Series 21 is listed on NASDAQ.
What is its stock symbol?
The ticker symbol is FSVBXX.
Does it pay dividends? What is the current yield?
It does not pay dividends to its shareholders.
What is its market cap?
As of today, no market cap data is available.
Has FT 11398: Vest Large Cap Deep Buffered 30 Portfolio, Series 21 ever had a stock split?
No, there has never been a stock split.