Flat closing after range bound trading

Today(25-5-09)Nifty closed at 4237.55 as against the Friday closing of 4238.50. Today's range can be easily said as plus or minus(+ or -)35 of yesterday's as well as today's close. Exact figures were 4270 and 4205. It seems that the range bound trading may follow till the expiry of May series ie. up to 28th May, 2009.