SMM, July 2:
Shanghai tin 2009 contract opened at 138450 US dollars / ton last night, the horizontal market fluctuated at night, and the center of gravity moved down slightly. In the morning, tin opened at 138020 yuan / ton in Shanghai, fell slightly to the intraday low of 137440 yuan / ton, rebounded after hitting the bottom, rose slightly, reached the intraday high of 138610 yuan / ton, and then swung across the day. The last trading amplitude narrowed, closing at 138350 yuan / ton, down 80 yuan / ton, down 0.06%, 23074 hands, 24927 positions, an increase of 2978 hands, the physical part was above all the moving average, and the lower shadow line was above the 20-day moving average. As a cross star, the lower support level is expected to be around 137000 yuan / ton, and the upper pressure level is around 139500 yuan / ton.