Keep Your Bank ETF Expectations Grounded | Page 2 of 2 | ETF Trends

Regulatory concerns have also kept mergers and acquisitions activity among banks at bay while other sectors, notably healthcare companies, are seeing deals go through at pre-crisis levels, which have helped contribute to stronger gains.

Bank valuations are also back up. Looking at price-to-book multiples, the most popular measure for valuing the sector, U.S. banks of the KBW banks index are trading near fair value at a 16% premium to book value, or about the same valuations in the summer of 2008. The sector has shown it is capable of trading a even higher valuations of three or even five times book value, but banks are unlikely to return to the late 199s levels.

Authers also pointed out that the financials are not a contrarian play that many bulls are looking for as many investors have overweight the sector. According to Bank of America Merrill Lynch, institutional investors are collectively overweight financials around the world, and in the U.S., institutions are now the third highest overweight in banks since 2006.

For more information on the financial sector, visit our financial category.

Max Chen contributed to this article.