Flexible Trading

Flexible Options Trading


Flexible Options Trading is conducted in the J-NET Market, which is a separate market from the auction market, and contracts can be set based on an application from a Trading Participant.

  • This is different from On-demand strike prices. For more details, please refer to the following page.
On-demand Strike Prices
  • This is different from J-NET single issue trading. For more details, please refer to the following page.
J-NET Single Issue Trading


Flexible Options Trading has flexibility and convenience more than ever as a listed options trading.

  • Contract Flexibility
    Contractual terms such as expiration date, strike price, and settlement type can be specified to suit your strategic needs. For example, you can trade contracts like expiration date is the end of month and the final settlement is cash settlement based on closing prices.
  • Trade Flexibility
    Contracts can be created and executed on the same day. You do not have to wait until tomorrow.
  • Margin Offsetting
    Margin offsetting with other futures and options contracts is allowed.
  • An Alternative To OTC Options
    OSE listed/traded flexible options offer a solution to problems associated with OTC options, such as counterparty risk and various regulations that OTC transactions are subject to.
  • Leaflet of Flexible Options Trading is as follows.
OSE Flexible Options:customizable solutions for hedging & investment

Contract Specifications

Items Securities Options Index Options
Underlying Eligible Underlying Issues *1
-Single Stocks
-Nikkei Stock Average (Nikkei 225)
-JPX-Nikkei Index 400
-TSE REIT Index *2
-TOPIX Banks Index *2
Trading Method Off-auction (J-NET) Only
Trading Hours From 8:20 a.m. to 4:00 p.m. and from 4:15 p.m. to 5:30 p.m. (JST) From 8:20 a.m. to 4:00 p.m. and from 4:15 p.m. to 6:00 a.m. (JST)
Contract Month Per day basis for a maximum 3-year period *3 Per day basis for a maximum 5-year period *3
Strike Price Two decimal places (JPY/Pts)
Last Trading Day Per day basis (to be advanced chronologically if the day falls on a nonbusiness day) Same as left column
SQ Date N/A Business day after last trading day (In the case of SQ settlement)
Exercise Date Last trading day (European) SQ settlement: business day after last trading day (European)    
Closing price settlement: last trading day (European)
Contract Unit Same as trading unit of underlying issue Same as regular index options    
-TOPIX REIT Index × ¥1,000
-TOPIX Banks Index × ¥10,000
Tick Size Four decimal places (JPY/Pts)
Final Settlement *4 Physical delivery
Cash settlement by closing price
Cash settlement by SQ
Cash settlement by closing price
Margin Offsetting Calculated by VaR Method
Margin Calculation Method (VaR Method) for Futures and Options (JSCC)
Position Limits/
Reporting of Large Positions
Yes N/A

  • List of Underlying Issues for Securities Options are as follows.
    Eligible Underlying Issues
  • TOPIX Banks Index Options and TSE REIT Index Options will be available only in Flexible Options Trading.
  • The minimum period from the creation day to the last trading day shall be five business days.
  • The settlement method must be specified at the time of applying to create the series and cannot be changed afterward.

For more details of contract specifications, please refer to the following page.

Introduction of Flexible Contract Months for Options Trading, etc.


Reference data for Flexible Options is as follows.

Reference Data for Futures and Options (Instruments and Settlement Price, etc.)
Reference Data for Flexible Futures and Options (All executions for the trading day and SQ)