Futures spreads declined by 122 basis points (bps) to 12.56 per cent compared to 13.78 per cent of the preceding week. The week that ended on February 6 saw the average trading volume sliding by 41.5 per cent to 37.15 million shares from the previous 63.46 million. The stocks traded devalued by 29 per cent to average on Rs 3.816 billion from Rs 5.358 billion of the preceding week.