HOSE Market Cap Falls VND 298 Trillion in September 2026 as VIC, VHM, VCB, BID Lead
This Aveluro analysis covers VIC (VinGroup) on HOSE in the Real Estate sector. The classified event type is sector sentiment, with negative sentiment and a deterministic market-impact score of 4.0/10. Aveluro classifies this story as a negative catalyst and risk signal for the affected stock. Source coverage came from CafeF - Doanh nghiệp, classified as a primary/top-tier source.
Key Facts
Caveat: Not investment advice. · How Aveluro computed this: Aveluro combines extracted event facts, source credibility, ticker context, and market data. Scores are deterministic research signals, not recommendations.
Overview
Market capitalisation on the Hồ Chí Minh Stock Exchange (HOSE) fell by approximately VND 298,000 billion, or 3.37%, in September 2026, ending the month at VND 8.55 quadrillion, according to exchange statistics released on 5 October. The VN-Index closed at 1,768.62 points on 30 September, down 3.47% from August, with foreign investors net selling VND 4,775 billion during the month. The four HOSE-listed companies still above USD 10 billion in capitalisation are Vingroup (VIC), Vinhomes (VHM), Vietcombank (VCB) and BIDV (BID).
Key Facts
- HOSE stock market capitalisation reached VND 8.55 quadrillion at end-September 2026, down 3.37% month-on-month, a decline of roughly VND 298,000 billion.
- VN-Index closed September at 1,768.62 points (-3.47%); VN Allshare at 1,782.19 (-4.36%); VN30 at 1,906.81 (-3.84%).
- Foreign investors net sold more than VND 4,775 billion on HOSE in September; year-to-date 2026 net selling reached VND 95,479.7 billion.
- Nine of ten sector indices declined: VNCOND -6.98%, VNMAT -6.39%, VNHEAL -6.01%; VNENE was the sole gainer at +8.04%.
- Total September trading value was VND 328,242 billion on 12.87 billion shares, averaging VND 16,412 billion per session, down 5.33% in value and 4.66% in volume from August.
- HOSE listed 761 securities at end-September: 405 stocks, 3 closed-end funds, 21 ETFs and 332 covered warrants.
- Only four issuers carry capitalisation above USD 10 billion: Vingroup (VIC), Vinhomes (VHM), Vietcombank (VCB) and BIDV (BID); 53 companies exceed USD 1 billion.
What Happened
The Ho Chi Minh City Stock Exchange published the monthly figures on the afternoon of 5 October, covering the trading period through 30 September 2026. The report states that HOSE market capitalisation equalled 66.52% of Vietnam’s 2025 GDP and accounted for nearly 95% of total listed equity capitalisation across the Vietnamese market. Liquidity contracted alongside prices, with average daily turnover of more than 643.7 million shares worth over VND 16,412 billion.
The sector breakdown shows the drawdown was broad rather than concentrated. Consumer discretionary (VNCOND) recorded the steepest fall at 6.98%, followed by materials (VNMAT) at 6.39% and healthcare (VNHEAL) at 6.01%. Energy (VNENE) was the only sector index to advance, gaining 8.04%. The exchange did not attribute the decline to a specific catalyst in the release, and no single-stock attribution was provided for the four largest capitalisation names.
Market Context
Vingroup (VIC) trades on HOSE at VND 232,000 as of 5 October 2026, with Vinhomes (VHM) at VND 68,300, Vietcombank (VCB) at VND 57,000 and BIDV (BID) at VND 34,600. These four names anchor the VN30 and, given their index weight, largely determine the direction of headline capitalisation on the exchange. The September pullback extended a difficult year for foreign flows: the VND 4,775 billion sold in September brings cumulative 2026 net selling on HOSE to more than VND 95,479.7 billion, a persistent supply overhang that domestic retail and institutional buyers have had to absorb.
Strategic Significance
The concentration of HOSE capitalisation in four issuers above USD 10 billion means index-level weakness is disproportionately a story about VIC, VHM, VCB and BID rather than the broader 405-stock universe. For long-term investors, the relevant question is whether the September decline reflects valuation normalisation after prior gains or a deterioration in earnings expectations for the real estate and banking blocks that dominate the index. The divergence between energy (+8.04%) and consumer discretionary (-6.98%) suggests rotation within the market rather than uniform de-rating, which historically has been a more constructive signal than a broad-based exit.
What to Watch
- October HOSE monthly statistics, due in early November, for confirmation of whether the capitalisation decline extended or reversed.
- Foreign net flow data on HOSE, given the VND 95,479.7 billion year-to-date net selling figure and its implications for VND liquidity.
- Third-quarter 2026 earnings releases from VIC, VHM, VCB and BID, which together drive the bulk of index capitalisation.
- VNENE constituent performance, following the energy sector’s 8.04% September gain against a falling market.
- Any HOSE disclosure on new listings or delistings, given the current count of 761 listed securities.