Information about how to trade on HNX

09/08/2025

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1. Trading Methods: Order matching and negotiation2. Order Matching Principles:Price priority:
  • Buy orders with higher prices are prioritized for execution
  • Sell orders with lower prices are prioritized for execution
Time priority:
  • In cases where buy or sell orders have the same price, orders entered into the trading system earlier are prioritized for execution
3. Trading Unit
  • For odd-lot order matching transactions: 100 shares/ETF certificates/bonds
  • Negotiated transaction volume: from 5,000 shares/ETF certificates. No trading unit is specified for negotiated transactions of shares, ETF certificates
  • Trading unit, minimum trading volume for bond negotiation: 01 bond
  • Odd-lot trading units with a volume from 01 to 99 shares, ETF certificates, bonds are executed using both continuous order matching and negotiation methods
  • Negotiated transactions and odd-lot transactions are not permitted on the first trading day of newly listed shares or on the trading day after a 25-day trading suspension until a closing price is established
4. Tick Size?
  • Order matching transactions for shares, bonds: 100 VND
  • Negotiated transactions for shares, bonds: 1 VND
  • ETF certificate transactions: 1 VND
5. Closing Price:
  • The closing price is the execution price of the last order match during the trading day (excluding orders matched in after-hours trading sessions)
6. Reference Price:
  • The reference price is determined by the closing price of the immediately preceding trading day

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