Securities Options

Contract Specifications

Contract OSE selects underlying security from securities exchanges throughout Japan.
Opening Date July 18, 1997
Trading Hours 9:00-11:35, 12:30-15:15
(Note) An order acceptance period ("pre-closing") is established for 5 minutes before the Itayose on close.
Trading Hours
Contract Months 2 consecutive near-term months, plus 2 months from the March cycle.
Strike Prices
  1. Initial Setting of Exercise Prices Two strike prices, one above and one below, are set around the strike price that is closest to the last price of the underlying security on the business day prior to the initial trading day.
  2. Additional Setting of Exercise Prices Set two consecutive strike prices, one above and one below, centered on the strike price that is closest to the last price of the security subject to the option on each business day.

  3. Strike Price Price Interval
    less than ¥500 ¥25
    \500 - less than ¥1,000 ¥50
    ¥1,000 - less than ¥2,000 ¥100
    ¥2,000 - less than ¥5,000 ¥200
    ¥5,000 - less than ¥30,000 ¥500
    ¥30,000 - less than ¥50,000 ¥1,000
    ¥50,000 - less than ¥100,000 ¥2,500
    ¥100,000 - less than ¥200,000 ¥10,000
    ¥200,000 - less than ¥500,000 ¥20,000
    ¥500,000 - less than ¥1,000,000 ¥50,000
    ¥1,000,000 - less than ¥2,000,000 ¥100,000
    ¥2,000,000 - less than ¥5,000,000 ¥200,000
    ¥5,000,000 - less than ¥10,000,000 ¥500,000
    ¥10,000,000 - less than ¥20,000,000 ¥1,000,000
    ¥20,000,000 - less than ¥50,000,000 ¥2,000,000
    ¥50,000,000 or more ¥5,000,000

    * Price intervals may be different from those shown above depending on trading conditions. * Please refer to the following page. Outline of Specifications for Securities Options
Last Trading Day The business day preceding the second Friday of each expiration month. (When the said Friday is a non-business day, it shall be the previous business day.) Trading in a new expiration month begins on the business day following the last trading day.
Exercise date Last Trading Day
Exercise Type European. The option may be exercised only on its expiration day (same as last trading day).
Contract Unit The minimum trading unit of each underlying security.
Tick Size

When the underlying "contract size" is even.

Premium Tick size
less than ¥50 ¥0.1
\50 - less than ¥1,000 ¥0.5
¥1,000 - less than ¥3,000 ¥1
¥3,000 - less than ¥30,000 ¥5
¥30,000 - less than ¥50,000 ¥25
¥50,000 - less than ¥100,000 ¥50
¥100,000 - less than ¥1,000,000 ¥500
¥1,000,000 or more ¥5,000

When the underlying "contract size" is odd.

Premium Tick size
less than ¥3,000 ¥1
¥3,000 - less than ¥30,000 ¥5
¥30,000 - less than ¥50,000 ¥25
¥50,000 - less than ¥100,000 ¥50
¥100,000 - less than ¥1,000,000 ¥500
¥1,000,000 or more ¥5,000
Price Limits
  1. The price limit range will be calculated by multiplying the reference price for price limits of an underlying security on the designated market by 25%
  2. Price Limits/ Circuit Breaker Rule
  3. Immediately Executable Price Range Rule (Dynamic Circuit Breaker (DCB)):
    As follows depending on the underlying security price
  4. Reference Price of Underlying Securities DCB Price Range
    less than \500 \10
    \500 or more to less than \1,000 \20
    \1,000 or more to less than \3,000 \50
    \3,000 or more to \5,000 \100
    \5,000 or more to \10,000 \200
    \10,000 or more to \30,000 \500
    \30,000 or more to \50,000 \1,000
    \50,000 or more to \100,000 \2,000
    \100,000 or more to \300,000 \5,000
    \300,000 or more to \500,000 \10,000
    \500,000 or more \20,000

    Immediately Executable Price Range Rule
Circuit Breaker Rule (SCB) Price Limits/ Circuit Breaker Rule
Strategy Trades Unavailable
J-NET Trading Available (Tick size: \0.1, Minimum trading unit: 1 unit)
(Note) In case that minimum trading unit of underlying stock is odd, tick size is \1.0
J-NET Trading
Flexible Options Trading Available
Flexible Options Trading
Settlement Physical delivery of each underlying security.
Margin Calculated by VaR Method
Margin Calculation Method (VaR Method) for Futures and Options (JSCC)
Settlement method
  1. resell or buy back
  2. final settlement
Give-Up Available
Give-Up System
Position-Transfer Available
Position Transfer System(JSCC)
Position Limits and Reporting of Large Positions Please refer to the following page.

Related Documents

List of Underlying Issues for Securities Options