Chapter 04 · Section 4.1

Put Open Interest/Volume

Day 1 
Al  buys  5 Sep 35 calls.
Sam sells 2 Sep 35 calls.
Tim sells 3 Sep 35 calls.

      ABC Stock Options
CALL                      PUT
Open interest : 5         Open interest :
Trading volume: 5         Trading volume: 

a) 5 & 5
b) 0 & 0
c) 0
d) 5
e) 5
• f) 0 & 10
  No. Remember that the open interest is the number of outstanding contracts in a given market. Look at the number of put contracts initiated and the number of put contracts offset to find the right answer.

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