Illustration for Structure of Open Interest of Large Futures Traders

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1. This table illustrates open interest/percentage of top 5/top 10 traders of futures and options contracts after market close.
2. Numbers in parenthesis are the open interest hold by "Specific Institutional investors" ranked among top 5/top 10 traders. "Specific Institutional investors" here are limited to securities firms, foreign institutional investors, foreign omnibus accounts securities investment trust funds operated by Securities Investment Trust Enterprises ("SITE"), the National Finance Stabilization Fund, the Civil Servant Pension Fund, the Labor Pension Fund, the Labor Insurance Fund, and the funds managed by the Directorate General of Postal Remittances and Savings Banks, and other financial and insurance institutions that engage in futures trading within the bounds mandated by the competent authority.
3. Data of Futures contracts are distinguished to two types:Long and Short. Besides, the open interest of MTX is combined with TX, ZEF combined with TE, and ZFF combined with TF, based on their relative contract sizes.
4. Data of settlement are distinguished to “weekly” , “Spot month” and “All Months”.
5. Start Date:2004/07/01.
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