A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
o
online trading
OPEC
open
open economy
open ended
open interest
open market
open market operation
open mortgage
open order
open outcry
open interest
The total number of futures contracts or option contracts that have yet to be exercised, expired, or fulfilled by delivery.
