[THE INVESTOR] On Sept. 9, Kangwon Land (035250). declined 1.5%, compared with yesterday, to 39,300 won (US$ 36.66). It had declined 7.12% through the past month. Standard deviation, which indicates variableness, records 1.4% over the same period of time over one month.Compared with its close competitors within the same industry, KOSPI, even though the monthly earnings rate of Kangwon Land Inc. stayed negative, its volatility for one month was at the lowest level. Over the recent month, the Retu