Beginners play futures ~ ~ want to buy Shanghai copper but never understand the trading form. After filling it out, they said that the system does not support this kind of transaction! ! ! Thank you prawns first! ! ! Your stop-loss price exceeds the fluctuation range, and the daily fluctuation range of copper is 5% (discontinuous), so your price is 5 130.

Your consignment price is not an integer multiple of 10, and the minimum fluctuation price of Shanghai Copper is 10, so the last digit should be 0, and there will be no other figures, so your 5 12 16 is unreasonable!

Then click OK, there should be no problem!