Nifty Bank and Nifty weeklies cater to different types of traders. While Nifty is a broad market benchmark, Nifty Bank is a sectoral index and has the least number of constituents and a lower lot size making it the most volatile of the two Nifty Bank and Nifty weeklies cater to different types of traders. While Nifty is a broad market benchmark, Nifty Bank is a sectoral index and has the least number of constituents and a lower lot size making it the most volatile of the two Economic Times