Why ASX bank shares may be facing a big sell-off in the next few weeks

ASX bank shares have been outperforming recently, but one expert is warning that the sector is in for a rude shock next month during their reporting season.

That’s when three of the big four ASX banks will hand in their profit report cards. And while their results are expected to be good, this may not be enough to save them from a big sell-off.

That’s the view of Bell Potter’s high profile institutional dealer Richard Coppleson.

ASX bank reporting season a double-edged sword

He pointed out that ASX bank shares typically rally into their results before falling off a cliff around the middle of May.

The three big banks that will…