Stock Function

What is currency exchange?

Exchange between different currencies within BiyaPay account
Published on 2026-02-10

How is the Hong Kong stock option trading fee charged?

View the detailed fee standard for Hong Kong stock options
Published on 2026-02-10

How to invite friends to trade stocks?

Invite friends to register and trade through invitation links or posters to get cashback rewards
Published on 2026-02-10

What is a Stock Dividend?

A stock dividend refers to a method where a company converts its retained earnings or capital reserves into share capital and distributes these shares free of charge to existing shareholders. Stock di...
Published on 2026-02-13

What Level of Liquidity Is Considered Safe?

The remaining liquidity in your stock account is an important indicator of the safety of your account funds. The higher the remaining liquidity, the more available funds you have to cope with market f...
Published on 2026-02-13

Factors Affecting Profit and Loss

Market Price: The market price of stocks or other investment products directly affects the profit and loss of holdings. Cost Price: The purchase price determines the holding cost and influences the ca...
Published on 2026-02-13

What are the common options indicators?

Common options indicators, including break-even point, premium rate, implied volatility, intrinsic value, time value, Delta, Gamma, Theta, Vega, and Rho, measure option price, volatility, time decay, sensitivity, and risk management.
Published on 2026-02-12

When is margin trading and short selling interest charged?

Margin trading and short selling interest is calculated daily and settled at 23:00 (US time for US stocks, HK time for HK stocks). Interest accumulates in the stock account and is automatically deducted when closing positions or transferring funds.
Published on 2026-02-11

Can Hong Kong stocks be traded on a T+0 basis?

HK stocks implement T+0 trading, stocks bought on the same day can be sold on the same day
Published on 2026-02-11

Can US stocks be traded on a T+0 basis?

US stocks can be traded on a T+0 intraday basis
Published on 2026-02-10