Foreign Investors Net Sell VND 555B, Proprietary Traders Buy VND 590B on Aug 20

Overview

On August 20, 2026, foreign investors on the Ho Chi Minh Stock Exchange (HOSE) net sold over VND 555 billion, continuing a recent trend of outflows. In contrast, proprietary trading desks (tự doanh) net bought nearly VND 590 billion, creating a notable divergence in institutional flows. The selling was concentrated in large-cap names such as Vingroup (VIC), VPBank (VPB), VIX, and SSI, while MSN (Masan Group) attracted the strongest foreign net buying.

Key Facts

• Foreign investors net sold VND 555 billion on August 20, 2026.
• Proprietary trading desks net bought VND 590 billion on the same day.
• Top foreign net selling: VIC, VPB, VIX, SSI.
• MSN was the top foreign net buying stock.
• Proprietary desks bought HPG, VIC, and FUEMAV30 most strongly.
• VCB was the top proprietary net selling stock, with a value of over VND 20 billion.
• VIC closed at VND 202,000; SSI at VND 19,400; VIX at VND 12,650; VPB at VND 24,900 on August 20.

What Happened

According to the article “Theo dấu dòng tiền cá mập 20/08: Khối ngoại, tự doanh hành động trái chiều,” foreign investors extended their net selling streak on August 20, with net sell value reaching approximately VND 555 billion. The selling pressure was focused on blue-chip and mid-cap stocks including VIC, VPB, VIX, and SSI. Conversely, MSN saw the strongest net buying from foreign investors, indicating selective interest in consumer-related names.

In a contrasting move, proprietary trading desks (self-trading) recorded net buying of nearly VND 590 billion, with the largest purchases in HPG, VIC, and the exchange-traded fund FUEMAV30. On the sell side, VCB was the most sold by proprietary desks, but the value was modest at just over VND 20 billion. The data is based on HOSE trading statistics for the session.

Market Context

On August 20, the Vietnamese stock market showed mixed institutional activity. Foreign investors have been net sellers in recent sessions, with the August 20 outflow of VND 555 billion adding to the trend. The selling was broad-based but particularly heavy in large-cap real estate (VIC), banking (VPB), and securities stocks (VIX, SSI). Meanwhile, proprietary trading desks, which often act as market makers or short-term traders, took the opposite side, buying aggressively. This divergence suggests that while foreign investors are reducing exposure, domestic proprietary desks see value or trading opportunities. The affected tickers trade on HOSE, with VIC closing at VND 202,000, SSI at VND 19,400, VIX at VND 12,650, and VPB at VND 24,900.

Strategic Significance

For long-term investors, the persistent foreign net selling, particularly in VIC, VPB, VIX, and SSI, may reflect global risk-off sentiment or profit-taking after recent gains. However, the strong proprietary buying, especially in HPG and VIC, indicates that domestic institutional players are willing to accumulate at current levels. The divergence between foreign and proprietary flows could signal a short-term bottoming process or a shift in ownership dynamics. Investors should monitor whether foreign selling continues or abates, as sustained outflows could pressure liquidity and valuations, while proprietary buying may provide support.

What to Watch

• Continuation of foreign net selling in the next sessions; a slowdown or reversal would signal stabilizing sentiment.
• Proprietary trading activity: whether the buying spree persists, especially in HPG and VIC.
• Price action of VIC, VPB, VIX, and SSI relative to their recent closes; a breakdown could trigger further selling.
• MSN’s foreign buying momentum: if it continues, it may indicate sector rotation toward consumer staples.
• Any macro or policy news that could shift foreign investor sentiment, such as Fed decisions or SBV policy changes.