Chapter 04 · Section 4.1

Call Open Interest/Volume

Suppose that on the first day there were only three trades:

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

CALL                    PUT  
Open interest :         Open interest :    
Trading volume:         Trading volume: 

a) 10 & 5
b) 50
c) 0
d) 35
• e) 10
  No. Your figure for trading volume is not correct. Trading volume is defined as the total number of purchases or sales during a trading session. Do not double count it.
  f) 5 & 5

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