Omega ATS Enumerations#
Omega is an alternative trading system (ATS) or dark pool in Canada.
The following fields have Enumerations:
AGGRESSOR_SIDE - Indicates whether a trade resulted from an incoming buy or sell order.
BOOK_TYPE - Type of order book or trading mechanism through which a trade was executed.
BYPASS - Identifies whether the trade resulted from a Bypass order
MKT_PHASE - Indicates the instrument’s current market phase, as specified by the trading venue
ODD_LOT - Indicates whether a trade was an odd lot
ORDER_TYPE - Type of order.
REASON_CODE - Reason for an instrument status update
SPECIAL_TERMS - Indicates any non-standard settlement / execution terms associated with a trade
TRADE_PERIOD - Market period during which a trade was executed.
TRADE_TYPE - Type of trade
UPDATE_TYPE - Type of update
Enumeration ID |
Enumeration Description |
|---|---|
‘””’ |
Undefined (e.g. off-book trades, auction trades) |
B |
Buy |
S |
Sell |
Enumeration ID |
Enumeration Description |
|---|---|
0 |
Lit order book |
1 |
Off-book |
3 |
Odd lot book |
4 |
Special terms book |
Enumeration ID |
Enumeration Description |
|---|---|
‘””’ |
Not a bypass trade |
Y |
Bypass trade |
Enumeration ID |
Enumeration Description |
|---|---|
B |
Market-wide circuit breaker |
C |
End of transmission |
E |
End of system hours |
H |
Halted |
M |
End of market hours |
O |
Start of messages |
Q |
Start of market hours |
R |
Resume after market-wide circuit breaker |
S |
Start of system hours |
T |
Trading |
Enumeration ID |
Enumeration Description |
|---|---|
‘””’ |
Board lot |
Y |
Odd lot |
Enumeration ID |
Enumeration Description |
|---|---|
L |
Limit order |
Enumeration ID |
Enumeration Description |
|---|---|
‘””’ |
Unspecified |
B |
Business halt |
R |
Regulatory halt |
Enumeration ID |
Enumeration Description |
|---|---|
‘””’ |
No special terms (standard settlement) |
C |
Cash |
DD |
Delayed delivery |
ND |
Next day |
Enumeration ID |
Enumeration Description |
|---|---|
- |
Regular trading |
Enumeration ID |
Enumeration Description |
|---|---|
‘””’ |
Regular trade |
D |
Derivative-related cross |
H |
Hidden order execution |
I |
Internal cross |
M |
Intentional cross |
Enumeration ID |
Enumeration Description |
|---|---|
A |
Add |
D |
Delete |
F |
Fill |
M |
Modify |
P |
Partial fill |