The Vietnamese stock market faced selling pressure throughout the derivatives expiration session on December 18th, before rebounding slightly towards the close. The VN-Index ended the day up 3.3 points, nearing 1,678 points. Trading liquidity weakened, with matching value on HoSE reaching approximately VND 13,460 billion.
Foreign trading activity was a negative factor, with net selling of VND 871 billion across the market. Specifically:
On HoSE, foreign investors net sold approximately VND 852 billion
On the selling side, real estate stock DXS saw a sudden surge in foreign selling, with a value of around VND 452 billion. VIC followed with net selling of approximately VND 331 billion, while FPT also recorded net outflows of nearly VND 95 billion. HDB and DGC were net sold for approximately VND 86 billion and VND 67 billion, respectively; SSI, CII, GMD, TCH, and DBC were also notably net sold (ranging from VND 32–56 billion).
Conversely, MBB led the net buying list with a value of around VND 95 billion. TCB ranked second, with foreign inflows of nearly VND 55 billion, followed by VNM (approximately VND 51 billion) and SHB (approximately VND 46 billion). GEX and MWG were also strongly net bought, with around VND 45 billion.
Top net bought/sold stocks by foreign investors on HoSE. Unit: billion VND
On HNX, foreign investors net sold approximately VND 18 billion
On the selling side, MBS saw the strongest foreign selling with a value of approximately VND 36 billion. PVI followed with net selling of around VND 2.5 billion, while CEO recorded net outflows of approximately VND 2 billion. IDC and SHS were each net sold for nearly VND 2 billion.
Conversely, PVS led the net buying list with a value of around VND 27 billion. VFS received foreign inflows of approximately VND 2 billion, followed by VTZ (around VND 1 billion) and IVS (around VND 0.4 billion). BVS was also slightly net bought, with around VND 0.2 billion.
Top net bought/sold stocks by foreign investors on HNX. Unit: billion VND
On UPCOM, foreign investors net sold approximately VND 2 billion
Foreign investors were strongest net buyers of GCF and HLB, with values of around VND 700 million each. ABB, HBC, and MPC followed with net buying values of a few hundred million VND each.
On the selling side, foreign investors sold VEA most heavily, with a value of approximately VND 2 billion. ABW was next, with net selling of around VND 2 billion, while PAT also faced net outflows of approximately VND 600 million. MFS and SDT continued to be lightly net sold.
Top net bought/sold stocks by foreign investors on UPCOM. Unit: billion VND
December 18th Stock Market Update: Duc Giang Chemicals Shares Decline for Third Consecutive Session
In stark contrast to the violent volatility typically witnessed during derivative expiry sessions, the stock market on December 18th unfolded with remarkable tranquility.
Market Pulse 12/18: Blue Chips Shine, VN-Index Closes Slightly Higher on Expiry Day
After a concerted effort in the afternoon session, particularly with the easing of pressure on several large-cap stocks, the VN-Index closed the December 18th session in positive territory. It recorded a gain of 3.32 points, settling at 1,676.98.
Vietstock Daily 19/12/2025: Accumulation Amid Low Liquidity?
The VN-Index rebounded into positive territory by the end’t of the session, forming a Hammer candlestick pattern. The index is currently consolidating above the 100-day SMA, while trading volume remains subdued below the 20-session average, reflecting cautious investor sentiment. The MACD indicator continues to weaken, hovering near the zero line, which heightens short-term risk should it cross below this threshold in upcoming sessions.
Tracking the Whale Money Flow on December 18: Foreign Investors Net Sell DXS Aggressively
On December 18th, both securities company proprietary traders and foreign investors engaged in net selling. This marked the third consecutive session of net selling by foreign investors and the second session for proprietary traders.
Tracking the Whale Money Flow on December 17: Foreign Investors Continue Net Selling
On December 17th, while foreign investors extended their net selling streak to a second consecutive session, proprietary trading desks took the opposite approach, marking their second straight day of net buying.
