The open interest in a security for a given interval.
Syntax: OI(Interval, [Ref], [Symbol]). Intervals can be D, W, M or Q only.
Interval = Required.
[Ref] = Optional.
[Symbol] = Optional.
Examples:
OI(D,,YHOO)
The open interest in YHOO for the last Day.
OI(W,,)
The open
interest in the security on the current row for the last Week.