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exchange.SetContractType

The exchange.SetContractType() function is used to set the current contract code of the {@var/EXCHANGE exchange} exchange object.

The exchange.SetContractType() function returns a structure that contains the exchange contract code corresponding to the current contract code. For example, for the Binance Futures contract exchange, the current contract code is quarter, and the return value structure of this function is: {"InstrumentID": "BTCUSD_230630", "instrument": "BTCUSD_230630"}. object

exchange.SetContractType(symbol)

The symbol parameter is used to set the contract code, the optional values are: "this_week", "next_week", "quarter", "next_quarter", "swap", etc. Cryptocurrency futures contracts delivery contract codes, if not specified, generally have:

  • this_week: the current week’s contract.
  • next_week: the next week’s contract.
  • quarter: quarterly contract.
  • next_quarter: the next quarterly contract. Permanent contracts codes in cryptocurrency futures contracts, if not specified, generally have:
  • swap: perpetual contract.

symbol true string

function main() {
    // Set to this week contract
    exchange.SetContractType("this_week") 
}

def main():
    exchange.SetContractType("this_week")

void main() {
    exchange.SetContractType("this_week");
}

Set the current contract as the current week’s contract:

function main() {
    // The default trading pair is BTC_USD, set the contract for this week, and the contract is a currency standard contract
    exchange.SetContractType("this_week")
    Log("ticker:", exchange.GetTicker())
    
    // Switching trading pairs, then setting up contracts, switching to USDT as margin contracts, as opposed to currency standard contracts
    exchange.IO("currency", "BTC_USDT")   
    exchange.SetContractType("swap")
    Log("ticker:", exchange.GetTicker())
}

def main():
    exchange.SetContractType("this_week")
    Log("ticker:", exchange.GetTicker())
    exchange.IO("currency", "BTC_USDT")
    exchange.SetContractType("swap")
    Log("ticker:", exchange.GetTicker())

void main() {
    exchange.SetContractType("this_week");
    Log("ticker:", exchange.GetTicker());
    exchange.IO("currency", "BTC_USDT");
    exchange.SetContractType("swap");
    Log("ticker:", exchange.GetTicker());
}

When setting up a contract with USDT as margin, you need to switch the trading pair in the code (you can also set the trading pair directly when adding the exchange object):

function main(){
    // Set the contract for this week
    var ret = exchange.SetContractType("this_week")     
    // Return information about the current week's contracts
    Log(ret)
}

def main():
    ret = exchange.SetContractType("this_week")
    Log(ret)

void main() {
    auto ret = exchange.SetContractType("this_week");
    Log(ret);
}

Print the return value of the exchange.SetContractType() function:

In the cryptocurrency futures contract strategy, take an example of switching to the BTC_USDT trading pair: When switching trading pairs using the exchange.SetCurrency("BTC_USDT") or exchange.IO("currency", "BTC_USDT") functions, after switching, you need to use the exchange.SetContractType() function to reset the contract in order to determine the current contract to be operated under the new trading pair. The system determines whether it is a currency standard contract or a USDT standard contract based on the trading pair. For example, if a trading pair is set to BTC_USDT, use the exchange.SetContractType("swap") function to set the contract code to swap. At this point, it is set to BTC for the USDT standard perpetual contract. If the trading pair is BTC_USD, use the exchange.SetContractType("swap") function to set the contract code to swap. At this point, it is set to BTC's currency standard perpetual contract. Details of the supported cryptocurrency futures contract exchanges, with contract names for each exchange as follows:

  • Futures_OKCoin (OKX) Set to perpetual contracts: exchange.SetContractType("swap") Set to the contract of this week: exchange.SetContractType("this_week") Set to next week’s contract: exchange.SetContractType("next_week") Set to monthly contract: exchange.SetContractType("month") Set to next month contract: exchange.SetContractType("next_month") Set to quarterly contracts: exchange.SetContractType("quarter") Set to next quarter contract: exchange.SetContractType("next_quarter")

    OKX has pre-market trading contracts: the contract delivery date is a fixed time. The contract code defined by the exchange is, for example: HMSTR-USDT-250207. Set the trading pair to HMSTR_USDT on the FMZ platform, and then use exchange.SetContractType("HMSTR-USDT-250207") to set the contract. For functions that support the symbol parameter, such as: exchange.GetTicker(), exchange.CreateOrder(), etc. You can specify the symbol parameter as: HMSTR_USDT.HMSTR-USDT-250207 to obtain the market data of this contract or place an order.

  • Futures_HuobiDM (Huobi futures) Set to the contract of this week: exchange.SetContractType("this_week"). Set to next week’s contract: exchange.SetContractType("next_week"). Set to quarterly contracts: exchange.SetContractType("quarter"). Set to next quarter contract: exchange.SetContractType("next_quarter"). Set to perpetual contracts: exchange.SetContractType("swap"). It supports contracts with USDT as margin, take BTC contract as an example: use exchange.IO("currency", "BTC_USDT") to switch to a contract that uses USDT as margin. Or set the current trading pair to BTC_USDT directly when configuring live trading parameters and adding exchange objects. After switching trading pairs, you need to call exchange.SetContractType() function again to set the contract.

  • Futures_BitMEX (BitMEX) Set to perpetual contracts: exchange.SetContractType("swap"). Futures_BitMEX exchange delivery contracts are monthly contracts with the following contract codes (from January to December):

    "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"

    Setting up delivery contracts: exchange.SetContractType("December"). For example, when the trading pair is set to XBT_USDT, the exchange.SetContractType("December") function is called to set the contract for December delivery in the USDT based of BTC (corresponding to the actual contract code of XBTUSDTZ23).

    Futures_BitMEX Contract Information Summary

    Contract code defined by Futures_BitMEX The corresponding trading pair in FMZ The corresponding contract code in FMZ Remark
    DOGEUSD DOGE_USD swap USD denominated, XBT settled. XBT is BTC.
    DOGEUSDT DOGE_USDT swap USDT denominated, USDT settled.
    XBTETH XBT_ETH swap ETH denominated, XBT settled.
    XBTEUR XBT_EUR swap EUR-denominated, XBT settled.
    USDTUSDC USDT_USDC swap USDC denominated, XBT settled.
    ETHUSD_ETH ETH_USD_ETH swap USD denominated, ETH settled.
    XBTH24 XBT_USD March Expiration date: March 24, month code is: H; USD denominated, XBT settled.
    ETHUSDZ23 ETH_USD December Expiration date: Dec 23, month code is: Z; USD denominated, XBT settled.
    XBTUSDTZ23 XBT_USDT December Expiration date: December 23, month code is: Z ; USDT denominated, USDT settled.
    ADAZ23 ADA_XBT December Expiration date: December 23, month code is: Z ; XBT billing, XBT settled.
    P_XBTETFX23 USDT_XXX P_XBTETFX23 Expiration: 11/23/23; denominated as a percentage and settled in USDT.

  • Futures_GateIO Set to the contract of this week: exchange.SetContractType("this_week"). Set to next week’s contract: exchange.SetContractType("next_week"). Set to quarterly contracts: exchange.SetContractType("quarter"). Set to next quarter contract: exchange.SetContractType("next_quarter"). Set to perpetual contracts: exchange.SetContractType("swap"). It supports contracts with USDT as margin, take BTC contract as an example: use exchange.IO("currency", "BTC_USDT") to switch to a contract that uses USDT as margin. Or set the current trading pair to BTC_USDT directly when configuring live trading parameters and adding exchange objects. After switching trading pairs, you need to call exchange.SetContractType() function again to set the contract.

  • Futures_Deribit Set to perpetual contracts: exchange.SetContractType("swap"). It supports Deribit’s USDC contract. The delivery contracts are: "this_week", "next_week", "month", "quarter", "next_quarter", "third_quarter", "fourth_quarter". CFD (future_combo): "this_week,swap", "next_week,swap", "next_quarter,this_week", "third_quarter,this_week", "month,next_week", there are many combinations. For option contracts you need to pass in the specific option contract code defined by the exchange, see the Deribit website for details.

  • Futures_KuCoin For example, if the trading pair is set to BTC_USD and the contract code is set, it is a currency-based contract: Set to perpetual contracts: exchange.SetContractType("swap"). Set to quarterly contracts: exchange.SetContractType("quarter"). Set to next quarter contract: exchange.SetContractType("next_quarter").

    USDT as margin contract: For example, if the trading pair is set to BTC_USDT, and then set the contract code, it is a contract with USDT as margin. Set to perpetual contracts: exchange.SetContractType("swap").

  • Futures_Binance Binance Futures Exchange defaults to the perpetual contract of the current trading pair, contract code: swap. Set to perpetual contracts: exchange.SetContractType("swap"), the perpetual contracts of Binance have contracts that use USDT as margin. For example, USDT standard perpetual contract of BTC can be used as a margin contract, and the trading pair is set to BTC_USDT. Binance also supports perpetual contracts that use coins as margin, for example, BTC's Binance standard perpetual contract, with the trading pair set to BTC_USD. Set to quarterly contracts: exchange.SetContractType("quarter"), the delivery contract has a currency standard contract (i.e., using currencies as margin), for example, BTC's quarterly contract, the trading pair is set to: BTC_USD and then set the contract exchange.SetContractType("quarter"), it is set to BTC quarterly contract with a currency standard contract. Set to next quarter contract: exchange.SetContractType("next_quarter"), for example, BTC of the currency standard quarterly contract, the trading pair set to: BTC_USD, and then set the contract exchange.SetContractType("next_quarter"). Binance supports partial USDT as margin delivery contract, take BTC as an example, set trading pair to BTC_USDT, then set the contract code.

    Support for Binance Options contracts: The format of the option contract code is based on the option contract code defined by the exchange: BTC-241227-15000-C, XRP-240112-0.5-C, BTC-241227-15000-P. Take the Binance option contract code BTC-241227-15000-P as an example: BTC is the option currency code, 241227 is the exercise date, 15000 is the exercise price, P represents a put option, and C represents a call option. For details on the option type, whether it is European option or American option, please refer to the relevant information of the exchange’s option contract. The exchange may restrict option sellers and require them to apply for qualifications separately. Binance options require seller qualifications.

  • Futures_Bibox Contract code for Bibox perpetual contracts: swap. Set to perpetual contracts: exchange.SetContractType("swap").

  • Futures_Bybit The default is the perpetual contract for the current trading pair, contract code: swap. This week contract code: this_week. Next week contract code: next_week. Third week contract code: third_week. Monthly contract code: month. Next month contract code: next_month. Quarterly contract code: quarter. Next quarter contract code: next_quarter. Third quarter contract code: third_quarter.

  • Futures_Kraken The default is the perpetual contract of the current trading pair, contract code: swap. swap: perpetual contract. month: current month contract. quarter: quarterly contract. next_quarter: next quarter contract. swap_pf: Mixed margin perpetual contract. quarter_ff: Mixed margin quarterly contract. month_ff: Mixed margin current month contract. next_quarter_ff: Mixed margin next quarter contract.

  • Futures_Bitfinex Default is the perpetual contract for the current trading pair, contract code: swap.

  • Futures_Bitget Default is the perpetual contract for the current trading pair, contract code: swap. The trading pair is set to BTC_USD for currency standard contracts, and the trading pair is set to BTC_USDT for contracts settled by USDT. Demo contracts can be set up with trading pairs as SBTC_USD, BTC_SUSDT.

  • Futures_dYdX Contract code for dYdX perpetual contracts: swap. Set to perpetual contracts: exchange.SetContractType("swap"), dYdX has USDT standard contracts only.

  • Futures_MEXC Contract code for MEXC perpetual contracts: swap. Set to perpetual contracts: exchange.SetContractType("swap"). Set trading pair to BTC_USD, which is currency standard contract, and set trading pair to BTC_USDT, which is USDT-settled contract.

  • Futures_Crypto Tokens in an account on the crypto.com exchange can be converted into USD-denominated credits to be used as margin for contract trading. Set to perpetual contract: exchange.SetContractType("swap"). Example of calling the exchange.SetContractType("swap") function to set a perpetual contract for BTC when the trading pair is set to BTC_USD. The crypto.com exchange delivery contracts are monthly contracts with the following contract codes (from January to December):

    "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"

    Set the delivery contract: exchange.SetContractType("October"). For example, when the trading pair is set to BTC_USD, call the function exchange.SetContractType("October") to set the October delivery contract for BTC. The corresponding contract code at the current moment is: BTCUSD-231027.

  • Futures_WOO Futures_WOO exchange supports USDT based contracts with a perpetual contract code of swap. For example, when the trading pair is set to BTC_USDT, the function exchange.SetContractType("swap") is called to set the current contract to be a USDT based perpetual contract for BTC.

{@fun/Futures/exchange.GetContractType exchange.GetContractType}, {@fun/Account/exchange.SetCurrency exchange.SetCurrency}

exchange.SetDirection exchange.GetContractType

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