05-02-2013, 02:13 AM
'trans' pid='21810' datel Wrote:Just checked with the cboe. Option open interest is reported with a day lag. Volume is reported same day. So, tomorrow am will reflect yesterdays OI change, so it can be properly associated with the volume yest. to measure the real change
Wow - that is news to me. I will watch to see if this change in open interest shows up tomorrow... (it's the little details that get you !)

