Marketmen said thin supplies and pick up in demand in spot markets at lower levels mainly helped to boost upward trading here in future markets.
Besides, rising export demand for oil drilling industries too supported up mark in future prices, they added.
At the National Commodity and Derivative Exchange counter, guargum delivery for immediate contract June month hardened by Rs 100 or 1.44 per cent to Rs 7,049 per quintal, in an open interest of 5,365 lots.