For stocks listed on the Ho Chi Minh City Stock Exchange (HSX) and Hanoi Stock Exchange (HNX): The reference price is based on the closing price, which is the last price at which a trade was executed on the preceding trading day. It serves as the foundation for determining the ceiling and floor prices for the current trading day. For stocks listed on the Upcom exchange: The reference price is calculated as the weighted average of even-lot trading prices executed through the continuous matching method on the nearest trading day that employed continuous matching.
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Apr