What is the settlement cycle for Vietnam stocks?

Vietnam uses T+2 settlement. Shares bought today are credited in two trading days. You cannot sell shares until they settle — attempting to do so will be rejected by the VSD (Vietnam Securities Depository).

What are the daily price limits on Vietnam stock exchanges?

HOSE caps daily moves at ±7% from the reference price. HNX uses ±10%, and UPCOM allows ±15%. A stock that hits the ceiling is said to be 'limit up' — buyers exist but no sellers will transact below the cap.

What are ATO and ATC orders in Vietnam?

ATO (At The Open, 09:00–09:15 ICT) and ATC (At The Close, 14:30–14:45 ICT) are call auctions that set the official opening and closing prices. All orders in each window are matched at a single price that maximises volume.

What is the foreign ownership limit in Vietnam?

Most Vietnamese listed companies cap foreign ownership at 49%. Banks are capped at 30%. When foreign room hits zero, overseas investors cannot buy additional shares on exchange. Room is updated daily by the VSD.

How does margin trading work in Vietnam?

Initial margin is 50% — you can borrow up to the value of your equity. Maintenance margin is around 30%. Brokers can force-sell positions without notice if the margin deficiency is not resolved promptly.

For foreign investors

Vietnam plays
by different rules.

Price limits, T+2 settlement, call auctions, and foreign ownership caps make HOSE one of the most structurally distinct markets in Asia. Here's what actually trips investors up.

T+2

Settlement — shares locked until day 2

±7%

HOSE daily price limit from reference

49%

Max foreign ownership (most stocks)

50%

Max initial margin (1:1 loan-to-equity)

15 min

ATO + ATC auction windows per day

2½ hr

Midday break — HOSE closes 11:30–13:00

T+2

You bought today. You can sell in two days.

Settlement cycle · Vietnam Securities Depository (VSD)

T+0

Trade Day

You execute the buy order

T+1

Processing

VSD confirms the trade

T+2

Settled

Shares credited to your account

In practice: You buy VCB on Monday morning. You cannot sell those specific shares until Wednesday. Your Wednesday sell creates new cash available on Friday. Plan your liquidity window accordingly.

Common mistake: Attempting to sell on T+1 will be rejected by your broker's system. There is no override — the VSD enforces this at the depository level.

±7 / 10 / 15%

Stocks have a daily ceiling and floor.

Circuit breaker · Applied from reference price each morning

±7%

HOSE

Ho Chi Minh Stock Exchange — large & mid cap

±10%

HNX

Hanoi Stock Exchange

±15%

UPCOM

Unlisted Public Company Market

In practice: After strong earnings news, a stock might open "limit up" — at +7% — and stay there all day with buyers queued but no sellers willing to sell below the cap. You can place a buy order but may not get filled. The next morning the reference price resets to the close.

Watch out: Newly listed stocks often have no price limit on their first trading day, which can lead to extreme volatility.

5½ hrs

The trading day has three distinct phases.

HOSE session times · ICT (UTC+7) · Closed weekends & Vietnamese public holidays

ATO

Session 1

Break

Session 2

ATC

09:0009:1511:3013:0014:3014:4515:00

ATO — call auction, single opening price

Continuous — price ladder matching

Midday break + put-through

ATC — call auction, sets official close

ATO & ATC explained: During the 15-minute auction windows all orders accumulate, then a single price clears the maximum volume. ATO orders have no price limit — you accept whatever the auction clears. Institutions often use ATC to establish the official closing price used for index calculations and NAV.

49%

Foreign room can hit zero overnight.

Foreign Ownership Limit (FOL) · Published daily by VSD

49%

Most listed companies

30%

Banks & financial institutions

Foreign room = cap − current foreign holding. When room is exhausted foreigners cannot buy additional shares on exchange. The VSD publishes holdings daily, so your order may fail if room was consumed earlier that day.

In practice: A popular banking stock at 29.8% foreign holding has only 0.2% room left. One large fund's order can saturate it before your order processes. Always check current room before placing an order on high-demand tickers.

Zero room: When room hits 0%, only OTC negotiated trades between foreign parties remain possible — typically at a significant premium to market. Some ETFs that hold full-room stocks trade at persistent premiums for this reason.

Companies can voluntarily raise the cap to 100% via charter amendment, subject to sector restrictions. Media, aviation, and some financial services may have lower statutory caps or full foreign prohibition.

50 / 30%

Margin calls move fast here.

Initial margin 50% · Maintenance ~30% · Broker-enforced

Your equity (50%)

Broker loan (50%)

₫100 position

Initial margin 50%

Maintenance (call threshold) ~30%

Max loan-to-equity 1 : 1

Vietnamese brokers move quickly: With a ±7% daily price limit, a stock hitting the floor for two consecutive days can drop your equity from 50% to ~36% — very close to the maintenance threshold. Brokers will force-liquidate without additional notice. Top up cash before the call, not after.

Margin eligibility is set by each broker from an approved list — typically liquid HOSE stocks above a market-cap floor. UPCOM stocks are generally not marginable.

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Information provided for educational purposes only. Past performance does not guarantee future results. Data sourced from public Vietnamese market feeds.

Last updated: .

About · Methodology

Vietnam playsby different rules.