Q1: How to calculate the subscription quote, is it one or more subscriptions if I both subscribe depth and broker with the same security?

A: The subscription quote is only calculated according to the security dimension, only one subscription will be calculted if you subscribe muilty quote type with one security.

Q2: What is the specific limit logic for request frequency limit?

A: Use the token bucket to limit request and control the request rate. No more than 10 calls in 1 second, and no more than 5 concurrent requests.

Q3: What is the available subscribing securities and corresponding symbol formats?

A: The security code uses the ticker.region format, ticker represents the code. Aavailable subscribing securities are as followes.

Market	Symbol	Ticker	Region
HK Market	Securities (including equities, ETFs, Warrants, CBBCs)	The official code of the security on the exchange	HK
	Hang Seng Index	HSI	HK
	Hang Seng China Enterprises Index	HSCEI	HK
	Hang Seng TECH Index	HSTECH	HK
US Market	Securities (including stocks, ETFs)	The official code of the security on the exchange	US
	Nasdsaq Index	.IXIC	US
	Dow Jones Industrial Average	.DJI	US
CN Market	Securities (including stocks, ETFs)	The official code of the security on the exchange	SH or SZ
	Index	The official code of the security on the exchange	SH or SZ

You can also use LongPort App to find the symbol of security

Q4: What is the quote authority of OpenAPI? How to buy quote cards?

A:

• Quote Authority In accordance with the rules of the exchange, the authority of OpenAPI are independent, and are not shared with App, PC, or Web permissions. For example, the Hong Kong stock Level 2 authority you have on the App cannot be used on the OpenAPI side. LongPort also presents basic market rights to OpenAPI users. If you need a higher-level market, you can activate the high-level quote authority by purchasing a market card through on-line Quote Store of brokers or LongPort.
• How to buy quote cards
  LongPort users can choose the market cards they want to buy through the "Quote Store" in the LongPort App.

Q5: Quote Change By Date Time

A:

• US Market: 09:20:00 EDT/EST
• HK Market: 08:50:00 CST
• CN Market: 09:00:00 CST
• SG Market: 08:20:00 CST

Q6: How to enable Overnight quote

A:

• The night market quotation needs to be actively enabled by filling in the key need_over_night_quote, value true in the metadata field of the authentication interface.

message AuthRequest {
  string token = 1;
  map<string, string> metadata = 2;
}

message ReconnectRequest {
  string session_id = 1;
  map<string, string> metadata = 2;
}

• After turning on the night trading quotations, both the pull and push interfaces will be able to obtain the night trading quotations during the night trading period.

Q7: Enable Overnight quote in OpenApi SDK

A:

• Create Config from environment variables

Set environment variable LONGPORT_ENABLE_OVERNIGHT to true

• Create Config object from constructor

config = Config(app_key="your_app_key", app_secret="your_app_secret", access_token="your_access_token", enable_overnight=True)