Replies to post #8393 on Ex-RB Short Term Traders

[methodibd]

ahh...maybe the key word there is 'exercise.' Is it correct to say OI rises when more contracts are written than are exercised? And likewise OI falls when more contracts are exercised than written?

[occams_razor]

Dim,

If I sell to open 100 Call contracts, doesn't the OI similarly go up?