Naming Dictionary

Enumeration and data structure reference for all trading APIs. All enum fields and response structures in the API documentation can be found here.

trd_side (Trading Direction)

Value	Description
NONE	Unknown direction
BUY	Buy
SELL	Sell
SELL_SHORT	Sell short
BUY_BACK	Buy back

order_type (Order Type)

Value	Description
NONE	Unknown type
LIMIT	Limit orders
MARKET	Market orders
AUCTION	At-auction market orders
AUCTION_LIMIT	At-auction limit orders
STOP	Stop orders
STOP_LIMIT	Stop Limit orders
MARKET_IF_TOUCHED	Market if Touched orders
LIMIT_IF_TOUCHED	Limit if Touched orders
TRAILING_STOP	Trailing Stop Market
TRAILING_STOP_LIMIT	Trailing Stop Limit
TWAP	TWAP Market Algo
TWAP_LIMIT	TWAP Limit Algo
VWAP	VWAP Market Algo
VWAP_LIMIT	VWAP Limit Algo
POV	POV Market Algo (Volume participation)
POV_LIMIT	POV Limit Algo
SLICER	Slicer Market Algo (Slicing)
SLICER_LIMIT	Slicer Limit Algo
PEG	PEG Market Algo
PEG_LIMIT	PEG Limit Algo
ICEBERG_LIMIT	Iceberg Limit Algo

order_status (Order Status)

Value	Description
NONE	Unknown status
WAITING_SUBMIT	Waiting to submit
SUBMITTING	Submitting
SUBMITTED	Pending
FILLED_PART	Partially filled, unfilled part not cancelled
FILLED_ALL	All filled
CANCELLED_PART	Partially filled, remaining cancelled
CANCELLED_ALL	All cancelled, no transactions
FAILED	Order failed, refused by server
DISABLED	Order disabled
DELETED	Deleted, only unfilled orders can be deleted

trd_market (Trading Market)

Value	Description
NONE	Unknown market
HK	Hong Kong market
US	US market
SG	Singapore market
HKCC	China stock market
CA	Canada market
FUTURES	Futures market
JP	Japan market
KR	Korea market
MY	Malaysia market
AU	Australia market
FOREX	Forex market
PREDICTION	Prediction market (event contracts)

exchange (Exchange)

Value	Description
US	US Exchange
SEHK	Hong Kong Stock Exchange
SGX	Singapore Exchange
SSE	Shanghai Stock Exchange (Shanghai-Hong Kong Stock Connect)
SZSE	Shenzhen Stock Exchange (Shenzhen-Hong Kong Stock Connect)
JP	Japan Exchange
CA	Canada Exchange
CME	Chicago Mercantile Exchange
CBOT	Chicago Board of Trade
NYMEX	New York Mercantile Exchange
COMEX	Commodity Exchange
CBOE	Chicago Board Options Exchange
HKFE	Hong Kong Futures Exchange
KR	Korea Exchange
BMS	Bursa Malaysia Securities
BMD	Bursa Malaysia Derivatives
ASX	Australian Securities Exchange
FX	Forex exchange
KALSHI	Kalshi event contract exchange

trading_session (Trading Session)

Value	Description
NONE	Unknown
RTH	Regular trading hours
RTH+Pre/Post-Mkt	RTH + Pre/Post-Market
OVERNIGHT	Only night trading
ALL_DAY	All-day trading

Only applicable to US stocks. Market orders only support RTH.

time_in_force (Time in Force)

Value	Description
NONE	Unknown
DAY	Day order
GTC	Good till cancelled
GTD	Good till date
IOC	Immediate or cancel
FOK	Fill or kill. Client-set FOK is forex only.

order_class (Order Class)

Value	Description
MLEG	Multi-leg order

lot_type (Lot Type)

Value	Description
ODD	Odd lot
ROUND	Round lot (default)

Applicable to Hong Kong and Japanese stocks.

currency (Currency)

Value	Description
NONE	Unknown
HKD	Hong Kong Dollar
USD	US Dollar
CNH	Offshore RMB
JPY	Japanese Yen
SGD	Singapore Dollar
KRW	Korean Won
MYR	Malaysian Ringgit
AUD	Australian Dollar

trail_type (Trailing Type)

Value	Description
NONE	Unknown
RATIO	Trailing ratio
AMOUNT	Trailing amount

position_open_type (Position Open Type)

Trailing stop orders only. Controls whether opening new positions is allowed.

Value	Description
DISABLE_POSITION_OPEN	Disable (close only)
ENABLE_POSITION_OPEN	Enable

pricing_strategy (Algo Sub-order Pricing Strategy)

Common optional field for algo orders. Controls sub-order pricing strategy. Defaults to ADAPTIVE (neutral).

Value	Description
ADAPTIVE	Neutral
GHOST	Aggressive
PASSIVE	Conservative

layering (Algo Sub-order Layering)

Common optional field for algo orders. Controls sub-order placement layer count. Defaults to 3 layers.

Value	Description
AUTO	Auto
1 - 10	Explicit layer count

peg_offset (PEG Sub-order Price Tracking Rule)

Required field for PEG algo orders. Controls how the sub-order price tracks the market quote.

Value	Description
MID_PRICE	Mid price
AGGRESSIVE_ONE_TICK	Aggressive 1 tick
NEAR_PRICE	Quote 1 tick
PASSIVE_ONE_TICK	Quote 2 ticks
PASSIVE_TWO_TICKS	Quote 3 ticks
PASSIVE_THREE_TICKS	Quote 4 ticks
PASSIVE_FOUR_TICKS	Quote 5 ticks
PASSIVE_FIVE_TICKS	Quote 6 ticks
PASSIVE_SIX_TICKS	Quote 7 ticks
PASSIVE_SEVEN_TICKS	Quote 8 ticks
PASSIVE_EIGHT_TICKS	Quote 9 ticks
PASSIVE_NINE_TICKS	Quote 10 ticks

deal_status (Deal Status)

Value	Description
OK	Normal
CANCELLED	Transaction cancelled
CHANGED	Transaction changed

security_type (Security Type)

Value	Description
STOCK	Stock
OPTION	Option
FUTURES	Future
FUND	Fund
MULTILEG_OPTION	Multi-leg option
FOREX	Forex
EVENT_CONTRACT	Event contract

position_side (Position Side)

Value	Description
NONE	Unknown
LONG	Long position (default)
SHORT	Short position

clt_risk_status (Risk Status)

Value	Description
NONE	Unknown
LEVEL1	Very Safe
LEVEL2	Safe
LEVEL3	Safe
LEVEL4	Low Risk
LEVEL5	Medium Risk
LEVEL6	High Risk
LEVEL7	Warning
LEVEL8	Margin Call
LEVEL9	Margin Call

enable_market (Supported Trading Market)

Used in the Get Authorized Trading Accounts response.

Value	Description
1	Hong Kong Market
2	US Market
4	China Stock Market
5	Futures
6	Singapore Market
7	Crypto
8	Australia Market
9	Forex
10	Bond
11	Malaysia Market
12	Canada Market
14	Fund
15	Japan Market
16	Structured Notes
17	Event Contracts
18	Korea Market

security_firm (Security Firm)

Used in the Get Authorized Trading Accounts response.

Value	Description
FUTUSECURITIES	Futu Securities (Hong Kong)
FUTUSG	Moomoo (Singapore)
FUTUINC	Moomoo (US)
FUTUCA	Moomoo (Canada)
FUTUMY	Moomoo (Malaysia)
FUTUAU	Moomoo (Australia)
FUTUJP	Moomoo (Japan)

acc_type (Account Type)

Account type. Used in the acc_type field of the Get Authorized Trading Accounts response.

Value	Description
cash	Cash account
margin	Margin account
derivative	Derivative account (JP only)

asset_category (Asset Category)

JP only. Used in the asset_category request parameter of the Get Account Funds and Get Positions APIs.

Value	Description
DOMESTIC	Domestic (Japan)
FOREIGN	Foreign

sub_acc_type (Sub-Account Type)

JP only. Sub-account type under a JP account. See sub_account.

Value	Description
General	General
Specified	Specified
NISA	NISA

margin_trading_type (Margin Trading Type)

JP margin account only. Margin (credit) trading type.

Value	Description
GENERAL	Negotiable type
STANDARDIZED	Standardized type

margin_period_type (Margin Period Type)

JP margin account only. Margin (credit) period type.

Value	Description
INDEFINITE	Indefinite type

option_strategy (Option Strategy)

Used in the multi_leg_info.option_strategy field for multi-leg orders.

Value	Description
Covered	Covered
VerticalSpread	Vertical Spread
Straddle	Straddle
Strangle	Strangle
Collar	Collar
Butterfly	Butterfly
Condor	Condor
IronButterfly	Iron Butterfly
IronCondor	Iron Condor
CalenderSpread	Calendar Spread
DiagonalSpread	Diagonal Spread
Customize	Customize

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account (Account Structure)

Account object returned by the Get Authorized Trading Accounts endpoint.

Field	Type	Description
account_id	uint64	Trading business account ID. JSON number; do not parse with JavaScript Number when it exceeds MAX_SAFE_INTEGER.
security_firm	security_firm	Security firm info
enable_market	list[int]	Supported trading markets. See enable_market
univs_account_card_number	string	Universal account card number (16 digits)
acc_type	acc_type	Account type
account_card_number	string	Business account card number (16 digits)
sub_accounts	list[sub_account]	JP only. Selectable sub-accounts under this account (one record per sub-account type). Only tradable sub-accounts are returned. Empty / omitted for non-JP brokers.

sub_account (Sub-Account Structure)

Sub-account object under a JP account, returned in the sub_accounts list of the account object.

Field	Type	Description
sub_acc_type	sub_acc_type	JP only. Sub-account type.
sub_acc_id	string	Sub-account id. Pass this value as sub_acc_id when placing an order.

order (Order Structure)

Order object returned by order query APIs.

Field	Type	Description
side	trd_side	Trading direction
order_type	order_type	Order type
order_status	order_status	Order status
order_id	string	Order ID
code	string	Security code
stock_name	string	Security name
security_type	security_type	Instrument type
qty	string	Order quantity
price	string	Order price
currency	currency	Transaction currency
create_time	uint64	Create time, Unix microsecond timestamp
updated_time	uint64	Last update time, Unix microsecond timestamp
dealt_qty	string	Deal quantity
dealt_avg_price	string	Average deal price
last_err_msg	string	Last error description
remark	string	Remark set when placing order
time_in_force	time_in_force	Time in force
session	trading_session	Trading session
aux_price	string	Trigger price
trail_type	trail_type	Trailing type
trail_value	string	Trailing amount/ratio.
trail_spread	string	Specify spread.
multi_leg_info	multi_leg_info	Multi-leg order info
position_open_type	position_open_type	Open type, only for trailing stop orders
algo_info	algo_info	Algo info, only for algo orders
expire_time	uint64	Unix timestamp in microseconds.
sub_acc_id	string	JP only. Sub-account id of the order. (Returned by the Get Authorized Trading Accounts interface)
sub_acc_type	sub_acc_type	JP only. Sub-account type.
margin_trading_type	margin_trading_type	JP margin account only. Margin trading type.
margin_period_type	margin_period_type	JP margin account only. Margin period type.
exchange	string	Exchange

order_fill (Fill Structure)

Fill object returned by deal query APIs.

Field	Type	Description
trd_side	trd_side	Trade direction
deal_id	string	Fill identifier. Base58-encoded, up to 32 characters. Case-sensitive.
order_id	string	Order identifier
code	string	Stock code
stock_name	string	Stock name
qty	string	Fill quantity
price	string	Fill price
create_time	uint64	Creation time, Unix microsecond timestamp
update_time	uint64	Last update time, Unix microsecond timestamp
counter_broker_id	string	Counterparty broker number
counter_broker_name	string	Counterparty broker name
status	deal_status	Fill status
sub_acc_id	string	JP only. Sub-account id of the order. (Returned by the Get Authorized Trading Accounts interface)
sub_acc_type	sub_acc_type	JP only. Sub-account type.

multi_leg_info (Multi-Leg Order Info)

Multi-leg order details used in place order requests and order responses.

Field	Type	Required	Description
option_strategy	option_strategy	Yes	Multi-leg option strategy type. Required when placing a multi-leg order; optional for combo trading-info queries.
underlying_symbol	string	Yes	Underlying stock symbol, e.g. AAPL
underlying_stock_name	string	No	Underlying stock name (response only)
leg_infos	list[order_leg_info]	Yes	Information of each leg

order_leg_info (Order Leg Info)

Detailed information for each leg in a multi-leg order.

Field	Type	Required	Description
leg_code	string	Yes	Leg security code. Format: market.symbol, e.g. US.AAPL
leg_ratio_qty	string	Yes	Ratio quantity determined by greatest common factor
leg_side	trd_side	Yes	Direction of each leg
leg_stock_name	string	No	Leg stock name (response only)
leg_hp_multiplier	string	No	Leg contract multiplier (response only)
leg_avg_fill_price	string	No	Average fill price of each leg (response only)
leg_security_type	security_type	No	Leg security type (response only)
leg_symbol	string	No	Leg symbol (response only)
leg_exchange	string	No	Leg exchange (response only)

direction (Cash Flow Direction)

Used in the direction request parameter of Get Cash Logs.

Value	Meaning
IN	Cash inflow
OUT	Cash outflow

cash_log (Cash Flow)

Cash flow record object returned by the Get Cash Logs API.

Field	Type	Description
transaction_name	string	Description of the cash change event (e.g., "Stock Sell Executed", "Fund Subscription")
created_time	string	Record creation time in MM/DD/YYYY HH:MM:SS format, e.g., 09/29/2026 05:53:16
cash_change	string	Cash change amount. Positive for inflow, negative for outflow
balance	string	Account balance after the change
symbol	string	Associated symbol without market prefix, e.g. AAPL, 00700. Use code (market.symbol, e.g. US.AAPL) when filtering requests. Empty if no associated symbol
stock_name	string	Associated symbol code and name, e.g. "AAPL Apple Inc.", not the name alone. Empty if no associated symbol

order_fee (Fee Item)

Fee detail object returned by the Get Order Fees API.

Field	Type	Description
type	string	Fee item type name (e.g., "Commission", "Platform Fee")
amount	string	Fee item amount

margin_preview (Margin Preview)

Margin preview object returned by the Get Combo Trading Info API.

Field	Type	Description
name	string	Margin item name
inc_value	string	Margin change amount

margin_ratio (Margin Ratio Data)

Margin ratio object returned by the Get Margin Ratio API.

Field	Type	Description
code	string	Symbol code. Format: market.symbol
is_long_permit	bool	Whether margin buying is allowed
is_short_permit	bool	Whether short selling is allowed
short_pool_remain	string	Remaining short pool
short_fee_rate	string	Short selling reference rate, e.g. "0.003%"
alert_long_ratio	string	Margin buying alert ratio, e.g. "130.00%"
alert_short_ratio	string	Short selling alert ratio
im_long_ratio	string	Initial margin ratio for long positions
im_short_ratio	string	Initial margin ratio for short positions
mcm_long_ratio	string	Margin call margin ratio for long positions
mcm_short_ratio	string	Margin call margin ratio for short positions
mm_long_ratio	string	Maintenance margin ratio for long positions
mm_short_ratio	string	Maintenance margin ratio for short positions

algo_info (Algo Order Info)

Algo execution info in order query responses, only for algo orders. pricing_strategy and layering are common fields; sub-structures for each algo type are returned based on order type.

Field	Type	Description
start_time	int64	Algo execution start time, Unix timestamp in microseconds
end_time	int64	Algo execution end time, Unix timestamp in microseconds
pricing_strategy	pricing_strategy	Sub-order pricing strategy
layering	layering	Sub-order placement layer count
twap	twap_info	TWAP execution params
vwap	vwap_info	VWAP execution params
pov	pov_info	POV execution params
slicer	slicer_info	Slicer execution params
peg	peg_info	PEG execution params
iceberg	iceberg_info	Iceberg execution params

twap_info (TWAP Execution Info)

Field	Type	Description
participation_rate	string	Maximum participation rate, range 1%–99%, minimum increment 1%. String type indicates the value is a percentage; do not pass % itself, e.g. "20" means 20%

vwap_info (VWAP Execution Info)

Field	Type	Description
participation_rate	string	Maximum participation rate, range 1%–99%, minimum increment 1%. String type indicates the value is a percentage; do not pass % itself, e.g. "20" means 20%

pov_info (POV Execution Info)

Field	Type	Description
participation_rate	string	Maximum participation rate, range 1%–80% (HK / A-share Connect / futures) or 1%–99% (US stocks), minimum increment 1%. String type indicates the value is a percentage; do not pass % itself, e.g. "20" means 20%

slicer_info (Slicer Execution Info)

Field	Type	Description
slice_interval	int	Sub-order placement interval, in seconds; must be ≥10 and ≤(end_time − start_time) in seconds. Mutually exclusive with display_qty; one of the two is required
display_qty	int	Sub-order one-time qty, positive integer lots. Mutually exclusive with slice_interval; one of the two is required
display_qty_var	int	Sub-order qty randomization, integer 0–99, default 0

peg_info (PEG Execution Info)

Field	Type	Description
display_qty	int	Sub-order one-time qty, positive integer lots
peg_offset	peg_offset	Peg position; defaults to NEAR_PRICE
display_qty_var	int	Sub-order qty randomization, integer 0–99, default 0

iceberg_info (Iceberg Execution Info)

Field	Type	Description
display_qty	int	Sub-order one-time qty, positive integer lots, range 1–parent order lots
display_qty_var	int	Sub-order qty randomization, integer 0–99, default 0