One Asia Securities Co.,Ltd.
03-6273-4201

Calculation Examples for Index Futures Options Trading

1. Buying two Nikkei 225 futures call options at ¥100 each for a total of ¥16,500 (New Purchase)

Transaction Amount Amount ¥200,000
Calculation Method ＠¥100 × 2 contracts × 1,000
Commission Fee Amount ¥8,800 (including consumption tax ¥800)
Calculation Method ¥200,000 × 4.4% (Refer to fees for designated futures/options trading)
Settlement Amount Amount ¥208,800・・・・・①
Calculation Method ¥200,000 + ¥8,800
  • When purchasing options newly, payment of the purchase price is required just like for ordinary stocks, and no margin is required.
    (If short selling, margin calculated by span is required.)

2. Selling the above at ¥50 (Closing Sale)

Transaction Amount Amount ¥100,000
Calculation Method ＠¥50 × 2 contracts × 1,000
Commission Fee Amount ¥4,400 (including consumption tax ¥400)
Calculation Method ¥100,000 × 4.4% (Refer to fees for designated futures/options trading)
Settlement Amount Amount ¥95,600・・・・・②
Calculation Method ¥100,000 - ¥4,400
Profit and Loss from Trading Amount -¥113,200
Calculation Method ② - ①

3. Selling the above at ¥120 (Closing Sale)

Transaction Amount Amount ¥240,000
Calculation Method ＠¥120 × 2 contracts × 1,000
Commission Fee Amount ¥10,560 (including consumption tax ¥960)
Calculation Method ¥240,000 × 4.4% (Refer to fees for designated futures/options trading)
Settlement Amount Amount ¥229,440・・・・・③
Calculation Method ¥240,000 - ¥10,560
Profit and Loss from Trading Amount +¥20,640
Calculation Method ③ - ①
  • However, when filing a tax return, the profit above will be treated as "miscellaneous income related to futures trading" and taxed separately at 20% (15% income tax and 5% local tax).