New Delhi, 29 September (NNS): Here, the prices of big cardamom Jhundiwali held stable at Rs.9 50 per quintal. Recently, the prices have improved by Rs.10 per kilogram. Its average auction price went up to Rs.800/1187 per kilogram in the last auction which held on 28 September. Due to this, the market sentiments may affect. There is no possibility of downtrend in the spot coriander prices during the coming days.