PiXiu - A Chinese mythological creature that brings fortune to people.
A trading backtesting tool similar to MT4/MT5.
It has a standard set of API definitions, and backtesting code written using these APIs can be run on www.TradePython.com without changes.
pip install pixiu
If you have problems installing TA-Lib, please refer to https://github.com/mrjbq7/ta-lib
Parameters :
-c/--testconfig test config
-n/--testname test name (in the test configuration file)
-s/--scriptpath script file
-o/--logpath log file
-p/--printlogtype print log type
-m/--multiprocessing multiprocessing mode
-r/--compare compare with the tags list
-t/--tag tag
-l/--datafile data file name
Basic
pixiu -c pixiu_sample.json -n testUSDCHF_TP -s pixiu_sample.py
pixiu -c pixiu_sample.json -n testUSDCHF_TP -s pixiu_sample.py
pixiu -c pixiu_sample.json -n testUSDCHF -s pixiu_sample2.py -o log.txt
Compare multiple strategies
pixiu -c pixiu.json -n testAUDUSD_TP_Demo1 testGBPUSD_TP_Demo1 testNZDUSD_TP_Demo1 testEURUSD_TP_Demo1 testUSDCHF_TP_Demo1 testUSDJPY_TP_Demo1 testUSDCAD_TP_Demo1 -s ../EA/EA_V2.10.0.py -p report -t 2.10.0 -l ea2_7.json
pixiu -c pixiu.json -n testAUDUSD_TP_Demo1 testGBPUSD_TP_Demo1 testNZDUSD_TP_Demo1 testEURUSD_TP_Demo1 testUSDCHF_TP_Demo1 testUSDJPY_TP_Demo1 testUSDCAD_TP_Demo1 -s ../EA/EA_V2.10.1.py -p report -t 2.10.1 -l ea2_7.json
pixiu -c pixiu.json -n testAUDUSD_TP_Demo1 testGBPUSD_TP_Demo1 testNZDUSD_TP_Demo1 testEURUSD_TP_Demo1 testUSDCHF_TP_Demo1 testUSDJPY_TP_Demo1 testUSDCAD_TP_Demo1 -s ../EA/EA_V2.10.2.py -p report -t 2.10.2 -l ea2_7.json
pixiu -c pixiu.json -n testAUDUSD_TP_Demo1 testGBPUSD_TP_Demo1 testNZDUSD_TP_Demo1 testEURUSD_TP_Demo1 testUSDCHF_TP_Demo1 testUSDJPY_TP_Demo1 testUSDCAD_TP_Demo1 -t 2.10.0 -r 2.10.1 2.10.2 -l ea2_7.json
Output:
+----+--------------------------------------+---------------------+---------------------+---------------------+---------------------+---------------------+---------------------+---------------------+--------------------+
| | | testAUDUSD_TP_Demo1 | testGBPUSD_TP_Demo1 | testNZDUSD_TP_Demo1 | testEURUSD_TP_Demo1 | testUSDCHF_TP_Demo1 | testUSDJPY_TP_Demo1 | testUSDCAD_TP_Demo1 | Total/Avg |
+----+--------------------------------------+---------------------+---------------------+---------------------+---------------------+---------------------+---------------------+---------------------+--------------------+
| 1 | Init Balance(2.10.0) | 5000.0 | 5000.0 | 5000.0 | 5000.0 | 5000.0 | 5000.0 | 5000.0 | 35000.0 / 5000.0 |
| 1 | Init Balance(2.10.1) | 5000.0 | 5000.0 | 5000.0 | 5000.0 | 5000.0 | 5000.0 | 5000.0 | 35000.0 / 5000.0 |
| 1 | Init Balance(2.10.2) | 5000.0 | 5000.0 | 5000.0 | 5000.0 | 5000.0 | 5000.0 | 5000.0 | 35000.0 / 5000.0 |
...
| 7 | Balance(2.10.0) | 4988.31 | 5064.61 | 5041.77 | 5071.6 | 4994.96 | 4996.97 | 4996.94 | 35155.16 / 5022.17 |
| 7 | Balance(2.10.1) | 5003.42 ↑ | 5061.26 ↓ | 5000.58 ↓ | 4965.65 ↓ | 5009.12 ↑ | 5033.44 ↑ | 4931.17 ↓ | 35004.64 / 5000.66 |
| 7 | Balance(2.10.2) | 4981.59 ↓ | 5076.74 ↑ | 5000.58 ↓ | 4985.02 ↓ | 5023.02 ↑ | 5029.35 ↑ | 4965.34 ↓ | 35061.64 / 5008.81 |
| 8 | Total Net Profit(2.10.0) | -11.69 | 64.61 | 41.77 | 71.6 | -5.05 | -3.02 | -3.05 | 155.17 / 22.17 |
| 8 | Total Net Profit(2.10.1) | 3.42 ↑ | 61.26 ↓ | 0.58 ↓ | -34.35 ↓ | 9.14 ↑ | 33.44 ↑ | -68.84 ↓ | 4.65 / 0.66 |
| 8 | Total Net Profit(2.10.2) | -18.41 ↓ | 76.74 ↑ | 0.58 ↓ | -14.98 ↓ | 23.04 ↑ | 29.35 ↑ | -34.68 ↓ | 61.64 / 8.81 |
| 9 | Total Net Profit Rate(2.10.0) | -0.23 % | 1.29 % | 0.84 % | 1.43 % | -0.1 % | -0.06 % | -0.06 % | 3.11 % / 0.44 % |
| 9 | Total Net Profit Rate(2.10.1) | 0.07 % ↑ | 1.23 % ↓ | 0.01 % ↓ | -0.69 % ↓ | 0.18 % ↑ | 0.67 % ↑ | -1.38 % ↓ | 0.09 % / 0.01 % |
| 9 | Total Net Profit Rate(2.10.2) | -0.37 % ↓ | 1.53 % ↑ | 0.01 % ↓ | -0.3 % ↓ | 0.46 % ↑ | 0.59 % ↑ | -0.69 % ↓ | 1.23 % / 0.18 % |
...
pixiu -c pixiu.json -n testUSDCAD_TP_Demo1 -t 2.10.0 -r 2.10.1 2.10.2 -l ea2_7.json
Output:
+----+--------------------------------------+---------------------+-------------------+
| | | testUSDCAD_TP_Demo1 | Total/Avg |
+----+--------------------------------------+---------------------+-------------------+
| 1 | Init Balance(2.10.0) | 5000.0 | 5000.0 / 5000.0 |
| 1 | Init Balance(2.10.1) | 5000.0 | 5000.0 / 5000.0 |
| 1 | Init Balance(2.10.2) | 5000.0 | 5000.0 / 5000.0 |
...
| 7 | Balance(2.10.0) | 4996.94 | 4996.94 / 4996.94 |
| 7 | Balance(2.10.1) | 4931.17 ↓ | 4931.17 / 4931.17 |
| 7 | Balance(2.10.2) | 4965.34 ↓ | 4965.34 / 4965.34 |
| 8 | Total Net Profit(2.10.0) | -3.05 | -3.05 / -3.05 |
| 8 | Total Net Profit(2.10.1) | -68.84 ↓ | -68.84 / -68.84 |
| 8 | Total Net Profit(2.10.2) | -34.68 ↓ | -34.68 / -34.68 |
| 9 | Total Net Profit Rate(2.10.0) | -0.06 % | -0.06 % / -0.06 % |
| 9 | Total Net Profit Rate(2.10.1) | -1.38 % ↓ | -1.38 % / -1.38 % |
| 9 | Total Net Profit Rate(2.10.2) | -0.69 % ↓ | -0.69 % / -0.69 % |
...
JSON format:
{
"accounts": {
"default": {
"balance": 10000.0,
"equity": 10000.0,
"margin": 0,
"free_margin": 10000.0,
"credit": 0.0,
"profit": 0.0,
"margin_level": 0,
"leverage": 100,
"currency": "USD",
"free_margin_mode": 0,
"stop_out_level": 0,
"stop_out_mode": 0,
"company": "TradePython.com",
"name": "PXTester",
"number": "000",
"server": "PXTester",
"trade_mode": 0,
"limit_orders": 500,
"margin_so_mode": 0,
"trade_allowed": true,
"trade_expert": 1,
"margin_so_call": 0.0,
"margin_so_so": 0.0,
"commission": 0.0
}
},
"symbols": {
"USDCHF": {
"symbol": "USDCHF",
"spread": 2,
"digits": 5,
"stop_level": 0,
"volume_min": 0.01,
"trade_contract_size": 100000,
"point": 0.00001,
"currency_profit": "CHF",
"currency_base": "USD",
"currency_margin": "USD"
}
},
"tests": {
"testUSDCHF": {
"symbol": "USDCHF",
"tick_data": "usdchf_m1_20210315-0415.csv",
"start_time": "2021-03-15",
"end_time": "2021-04-16",
"max_tick": 100,
"balance": 10000,
"leverage": 100,
"currency": "USD",
"account": "default",
"spread_point": 15
},
"testUSDCHF_TP": {
"symbol": "USDCHF",
"tick_data": {
"channel": "tradepython.com",
"api_token": "YOUR-API-TOKEN",
"source": "12345678@PixiuServer01",
"format": "json",
"period": 30,
"timeframe": "m1"
},
"max_tick": 100,
"balance": 10000,
"leverage": 100,
"currency": "USD",
"account": "default",
"spread_point": 15
},
"testUSDCHF_TP2": {
"symbol": "USDCHF",
"tick_data": {
"channel": "tradepython.com",
"api_token": "YOUR-API-TOKEN",
"source": {"type": "public", "name": "Demo1"},
"format": "json",
"period": 30,
"start_time": "2021-03-15",
"end_time": "2021-04-16",
"timeframe": "m1"
},
"start_time": "2021-03-15",
"end_time": "2021-04-16",
"max_tick": 100,
"balance": 10000,
"leverage": 100,
"currency": "USD",
"account": "default",
"spread_point": 15
}
}
}Testing with csv files:
symbol: product
tick_data: tick data data file
start_time: start time
end_time: end time
max_tick: the maximum number of ticks to test, which can reduce the test time
balance: initial capital of the test account
leverage: leverage of the test account
account: the name of the test account (in the test profile accounts)
spread_point: spread
"testUSDCHF": {
"symbol": "USDCHF",
"tick_data": "usdchf_m1_20210315-0415.csv",
"start_time": "2021-03-15",
"end_time": "2021-04-16",
"max_tick": 100,
"balance": 10000,
"leverage": 100,
"currency": "USD",
"account": "default",
"spread_point": 15
}Test with tradepython data test
source: Data account
account@account-server
Example:
12345678@PixiuServer01
or: {"type": "public", "name": "Demo1"}
type: public or private
name: Account name
period: data period (days)
Example:
30 - the last 30 days of data
timeframe: time frame, the following values
s1 - 1 second
m1 - 1 minute
m5 - 1 minute
m15 - 15 minutes
m30 - 30 minutes
h1 - 1 hour
h4 - 1 hour
d1 - 1 day
w1 - 1 week
mn1 - 1 month
"testUSDCHF_TP": {
...
"tick_data": {
"channel": "tradepython.com",
"api_token": "YOUR-API-TOKEN",
"source": "account@account-server",
"format": "json",
"period": 30,
"timeframe": "m1"
},
...
}-
Buy or sell a product
errid, order_uid = Buy(volume=volume, price=Ask()) errid, order_uid = Sell(volume=0.01, price=Bid())
-
Modify an order
errid, order_uid = ModifyOrder(order_uid, stop_loss=stop_loss, take_profit=take_profit)
-
Close an order
errid, order_uid = CloseOrder(order_uid, price=Ask(), volume=volume)
-
Get the current open order UIDs
uids = GetOpenedOrderUIDs() for uid in uids: o = GetOrder(uid)
AccountEquity(self)
Returns the equity.
Returns:
The account equity.
AccountFreeMargin(self)
Returns the free margin.
Returns:
The free margin.
Ask(self, shift=0, symbol=None) -> float
Returns Ask price value for the default symbol with default timeframe and shift.
Parameters:
shift (int): Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
symbol (str): The symbol name.
If None returns current symbol.
Returns:
Ask price.
Bid(self, shift=0, symbol=None) -> float
Returns Bid price value for the default symbol with default timeframe and shift.
Parameters:
shift (int): Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
symbol (str): The symbol name.
If None returns current symbol.
Returns:
Bid price.
Buy(self, volume: float, type=0, price=None, stop_loss=None, take_profit=None, magic_number=None, symbol=None, slippage=None, arrow_color=None, expiration=None, tags=None) -> (<function NewType.<locals>.new_type at 0x7fe120629dc0>, <function NewType.<locals>.new_type at 0x7fe122ed0940>)
Open a long order.
Parameters:
volume (float): Number of lots.
type (OrderType): Order type.
price (float): Order price. If price is None, price = Ask().
stop_loss (float): Stop loss price.
take_profit (float): Take profit price.
magic_number (float): Order magic number.
symbol (float): Symbol for trading.
slippage (float): Maximum price slippage for trading.
arrow_color (float): Color of the opening arrow on the MT4/5 chart.
expiration (float): Order expiration time (for pending order only)
tags (dict): Order tags
Returns:
ErrorID: If 0 success.
OrderResult: The order result.
Sell(self, volume: float, type=0, price=None, stop_loss=None, take_profit=None, magic_number=None, symbol=None, slippage=None, arrow_color=None, expiration=None, tags=None) -> (<function NewType.<locals>.new_type at 0x7fe120629dc0>, <function NewType.<locals>.new_type at 0x7fe122ed0940>)
Open a short order.
Parameters:
volume (float): Number of lots.
type (OrderType): Order type.
price (float): Order price. If price is None, price = Bid().
stop_loss (float): Stop loss price.
take_profit (float): Take profit price.
magic_number (float): Order magic number.
symbol (float): Symbol for trading.
slippage (float): Maximum price slippage for trading.
arrow_color (float): Color of the opening arrow on the MT4/5 chart.
expiration (float): Order expiration time (for pending order only)
tags (dict): Order tags
Returns:
ErrorID: If 0 success.
OrderResult: The order result.
ModifyOrder(self, uid, price=None, stop_loss=None, take_profit=None, arrow_color=None, expiration=None, tags=None) -> (<function NewType.<locals>.new_type at 0x7fe120629dc0>, <function NewType.<locals>.new_type at 0x7fe122ed0940>)
Modify a order.
Parameters:
uid : The order UID.
price (float): New open price. (for pending order only)
stop_loss (float): New stop loss price.
take_profit (float): New take profit price.
arrow_color (float): New color of the opening arrow on the MT4/5 chart.
expiration (float): New order expiration time (for pending order only)
tags (dict): Order tags
Returns:
ErrorID: If 0 success.
OrderResult: The order result.
CloseOrder(self, uid, price, volume: float, slippage=None, arrow_color=None, tags=None) -> (<function NewType.<locals>.new_type at 0x7fe120629dc0>, <function NewType.<locals>.new_type at 0x7fe122ed0940>)
Close a order.
Parameters:
uid : The order UID.
price (float): Close price.
volume (float): Number of lots.
slippage (float): Maximum price slippage for trading.
arrow_color (float): New color of the opening arrow on the MT4/5 chart.
tags (dict): Order tags
Returns:
ErrorID: If 0 success.
OrderResult: The order result.
Close(self, shift=0, symbol=None) -> float
Returns Close price value for the default symbol with default timeframe and shift.
Parameters:
shift (int): Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
symbol (str): The symbol name.
If None returns current symbol.
Returns:
Close price.
DefaultTimeFrame(self)
Returns the default time frame.
GetAccount(self)
Returns the account data.
Returns:
The account data.
GetClosedOrderUIDs(self, symbol: str = None, scope: int = DataScope.EA)
Returns the UIDs of current closed orders.
Parameters:
symbol: The symbol name.
If None returns current symbol.
If '*' returns all symbols.
scope:
EA: The current ea (default).
ACCOUNT: The current account.
EA_VERSION: The current ea version.
Returns:
The uid list.
GetOpenedOrderUIDs(self, symbol: str = None, scope: int = DataScope.EA)
Returns the UIDs of current opened orders.
Parameters:
symbol: The symbol name.
If None returns current symbol.
If '*' returns all symbols.
scope:
EA: The current ea (default).
ACCOUNT: The current account.
EA_VERSION: The current ea version.
Returns:
The uid list.
GetPendingOrderUIDs(self, symbol: str = None, scope: int = DataScope.EA)
Returns the UIDs of current pending orders.
Parameters:
symbol: The symbol name.
If None returns current symbol.
If '*' returns all symbols.
scope:
EA: The current ea (default).
ACCOUNT: The current account.
EA_VERSION: The current ea version.
Returns:
The uid list.
GetOrder(self, order_uid: <function NewType.<locals>.new_type at 0x7fe122ed0940>)
Returns the order object.
Parameters:
order_uid (): The order uid.
Returns:
The order object.
GetParam(self, name, default=None)
Returns the EA parameter value.
Parameters:
name (): The EA parameter name.
default (int): The EA parameter default value.
Returns:
The EA parameter value.
GetSettings(self, name, default=None)
Returns the EA Settings value.
Parameters:
name (): The EA settings name.
default (int): The EA settings default value.
Returns:
The EA settings value.
GetSymbol(self, symbol=None)
Returns the symbol properties.
Parameters:
symbol (str): The symbol name.
Returns:
The symbol properties
GetSymbolData(self, symbol: str, timeframe: str, size: int)
Get a symbol data.
Parameters:
symbol (str): Symbol name.
timeframe (str): Timeframe. See the TimeFrame defining.
size (int): Maximum size.
Returns:
Symbol data
High(self, shift=0, symbol=None) -> float
Returns High price value for the default symbol with default timeframe and shift.
Parameters:
shift (int): Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
symbol (str): The symbol name.
If None returns current symbol.
Returns:
High price.
Low(self, shift=0, symbol=None) -> float
Returns Low price value for the default symbol with default timeframe and shift.
Parameters:
shift (int): Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
symbol (str): The symbol name.
If None returns current symbol.
Returns:
Low price.
Open(self, shift=0, symbol=None) -> float
Returns Open price value for the default symbol with default timeframe and shift.
Parameters:
shift (int): Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
symbol (str): The symbol name.
If None returns current symbol.
Returns:
Open price.
OrderStats(self, order_uids)
Returns the order statistics.
Parameters:
order_uids : the list of order uids.
Returns:
The order statistics.
StopTester(self, code: int = 0, message: str = None)
Stop the EA tester. (For tester only.)
Parameters:
code (int): Error code.
message (str): Error message.
Returns:
None
Symbol(self) -> str
Returns the current symbol name.
Returns:
The symbol name.
SymbolInfo(self, item, symbol=None, default=None)
Returns the symbol information.
Parameters:
item (str): The symbol item name.
symbol (str): The symbol name.
default (): The default value.
Returns:
The symbol information.
Time(self, shift=0, symbol=None) -> datetime.datetime
Returns time value for the default symbol with default timeframe and shift.
Parameters:
shift (int): Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
symbol (str): The symbol name.
If None returns current symbol.
Returns:
Time.
Volume(self, shift=0, symbol=None) -> float
Returns volume value for the default symbol with default timeframe and shift.
Parameters:
shift (int): Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
symbol (str): The symbol name.
If None returns current symbol.
Returns:
Volume price.
__init__(self)
Initialize self. See help(type(self)) for accurate signature.
iAD(self, symbol_data, shift=0)
Chaikin A/D Line (Volume Indicators)
Parameters:
symbol_data (object): The symbol data.
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Chaikin A/D Line
iADX(self, symbol_data, timeperiod, shift=0)
Average Directional Movement Index (Momentum Indicators)
Parameters:
symbol_data (object): The symbol data.
timeperiod (int): The time period.
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Average Directional Movement Index
iATR(self, symbol_data, timeperiod, shift=0)
Average True Range (Volatility Indicators)
Parameters:
symbol_data (object): The symbol data.
timeperiod (int): The time period.
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Average True Range
iBands(self, symbol_data, timeperiod, nbdevup, nbdevdn, matype, shift=0)
Bollinger Bands (Overlap Studies)
Parameters:
symbol_data (object): The symbol data.
timeperiod (int): The time period.
nbdevup (int): 2
nbdevdn (int): 2
ma_type: 0 (Simple Moving Average) ,For details see the TA-LIB
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Bollinger Bands
iCCI(self, symbol_data, timeperiod, shift=0)
Commodity Channel Index (Momentum Indicators)
Parameters:
symbol_data (object): The symbol data.
timeperiod (int): The time period.
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Commodity Channel Index
iChaikin(self, symbol_data, fastperiod, slowperiod, shift=0)
Chaikin A/D Oscillator (Volume Indicators)
Parameters:
symbol_data (object): The symbol data.
fastperiod (int): The fast period.
slowperiod (int): The low period.
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Chaikin A/D Oscillator
iDEMA(self, symbol_data, timeperiod, shift=0)
Double Exponential Moving Average (Overlap Studies)
Parameters:
symbol_data (object): The symbol data.
timeperiod (int): The time period.
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Double Exponential Moving Average
iMA(self, price_data, period, ma_type, shift=0)
Calculates the Moving Average indicator and returns its value.
Parameters:
price_data (object): The price data. (Close, Open, Low, etc...)
period (int): Averaging period for calculation.
ma_type: 0 (Simple Moving Average) ,For details see the TA-LIB
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Moving average value.
iMACD(self, symbol_data, fastperiod, slowperiod, signalperiod, shift=0)
Moving Average Convergence/Divergence (Momentum Indicators)
Parameters:
symbol_data (object): The symbol data.
fastperiod (int): The fast period.
slowperiod (int): The slow period.
signalperiod (int): The signal period.
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Moving Average Convergence/Divergence
iMFI(self, symbol_data, timeperiod, shift=0)
Money Flow Index (Momentum Indicators)
Parameters:
symbol_data (object): The symbol data.
timeperiod (int): The time period.
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Money Flow Index
iMomentum(self, symbol_data, timeperiod, shift=0)
Momentum (Momentum Indicators)
Parameters:
symbol_data (object): The symbol data.
timeperiod (int): The time period.
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Momentum
iOBV(self, symbol_data, shift=0)
On Balance Volume (Volume Indicators)
Parameters:
symbol_data (object): The symbol data.
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
On Balance Volume
iRSI(self, symbol_data, timeperiod, shift=0)
Relative Strength Index (Momentum Indicators)
Parameters:
symbol_data (object): The symbol data.
timeperiod (int): The time period.
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Relative Strength Index
iSAR(self, symbol_data, acceleration, maximum, shift=0)
Parabolic SAR (Overlap Studies)
Parameters:
symbol_data (object): The symbol data.
acceleration (int): 0.02
maximum (int): 0.2
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Parabolic SAR
iStdDev(self, symbol_data, timeperiod, nbdev, shift=0)
Standard Deviation (Statistic Functions)
Parameters:
symbol_data (object): The symbol data.
timeperiod (int): The time period.
nbdev (int): 1
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Standard Deviation
iStochastic(self, symbol_data, fastk_period, slowk_period, slowk_matype, slowd_period, slowd_matype, shift=0)
Stochastic (Momentum Indicators)
Parameters:
symbol_data (object): The symbol data.
fastk_period (int): 5
slowk_period (int): 3
slowk_matype (int): 0
slowd_period (int): 3
slowd_matype (int): 0
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Stochastic
iTEMA(self, symbol_data, timeperiod, shift=0)
Triple Exponential Moving Average (Overlap Studies)
Parameters:
symbol_data (object): The symbol data.
timeperiod (int): The time period.
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Triple Exponential Moving Average
iWPR(self, symbol_data, timeperiod, shift=0)
Williams' %R (Momentum Indicators)
Parameters:
symbol_data (object): The symbol data.
timeperiod (int): The time period.
shift: Index of the value taken from the buffer
(shift relative to the current the given amount of periods ago).
Returns:
Williams' %R
WaitCommand(self, uid, timeout=120)
Waiting for a asynchronous command execution。
Parameters:
uid : The command UID.
timeout : Timeout （seconds）
Returns:
ErrorID: If 0 success.
CommandResult: If failed returns None.
AcquireLock(self, name, timeout=60) -> bool:
Acquire a lock
Parameters:
name : The lock name
timeout : Lock timeout （seconds）
Returns:
If True success.
ReleaseLock(self, name):
Release a lock
Parameters:
name : The lock name
Plot(self, series):
Plot
Parameters:
series
DeleteData(self, name, scope: int = DataScope.EA) -> ErrorID:
Delete data
Parameters:
name : The data name
scope : The data scope (current EA settings, EA version, EA, Account)
Returns:
The errorid.
LoadData(self, name, scope: int = DataScope.EA, format='json'):
Load data
Parameters:
name : The data name
scope : The data scope (current EA settings, EA version, EA, Account)
format: Only support JSON.
Returns:
data.
SaveData(self, name, data, scope: int = DataScope.EA, format='json') -> ErrorID:
Save data
Parameters:
name : The data name
scope : The data scope (current EA settings, EA version, EA, Account)
format: Only support JSON.
Returns:
The errorid.
Notify(self, message) -> ErrorID:
Send a notification
Parameters:
message: The content of notification
Returns:
The errorid.