Burginvest

Open Interest

取組高 Data & Reporting ✓ Verified Citations Market Practitioner Term
<Definition> Open interest is the number of futures or options contracts that have been created through trading and, at a given point in time, remain in the market without having been closed out. A contract leaves the market only when it is closed out through an offsetting trade, delivery, or exercise.[1]
日本語
＜定義＞ 取組高とは、先物・オプション市場で売買によって成立した契約のうち、ある時点で決済されずに市場に残っている契約の数である。契約が決済されて市場から消えるのは、反対売買、受渡し、権利行使のいずれかによる。[1]

<Mechanism>

How Open Interest Rises, Falls, or Stays the SameEach traded contract raises volume by one. If both the buyer and the seller open new positions, open interest rises by one; if both close positions, it falls by one; if one opens and the other closes, only the holder changes and open interest stays the same.How Open Interest Rises, Falls, or Stays the SameOne contract is traded(one buyer, one seller; volume always rises by one)Are the buyer and the seller eachopening a new position or closing one?(1)Buyer opens+Seller opensA contractis createdOpen interest +1(2)Buyer closes+Seller closesA contractdisappearsOpen interest −1(3)Buyer opens+Seller closesThe holderchangesOpen interest ±0* (2): open interest also falls on delivery or exercise* (3): the same holds with buyer and seller reversedVolume = how much trading took placeOpen interest = how many positions remain open

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