假設你原先以10顆SOL購買一雙鞋,並於3天後以12顆SOL賣出,SOL價格從$100漲至$110,出售手續費6%。
Cost of Investment = 10 * $100 = $1,000
Net Return on Investment = 12 * $110 * (1-0.06) – $I,000 = $240.8
ROI = ($240.8 / $1,000) * 100% = 24.08%
假設你不出售並持有30天,30天後SOL跌至$80,一樣以12顆SOL賣出,手續費維持不變6%。
Cost of Investment = 10 * $100 = $1,000
Net Return on Investment = 12 * $80 * (1-0.06) – $I,000 = -$97.6
ROI = (-$97.6 / $1,000) * 100% = -9.76%