The price-to-earnings (PE) ratio of the Nifty Bank Index is at a 32% discount to that of the Nifty Index, which is below the long-term average of 13%. The Nifty Bank Index is also currently trading below its historical average PE levels. The price-to-earnings (PE) ratio of the Nifty Bank Index is at a 32% discount to that of the Nifty Index, which is below the long-term average of 13%. The Nifty Bank Index is also currently trading below its historical average PE levels. Economic Times