Liquidity on the HNX exchange increased sharply in August.

According to information from the Hanoi Stock Exchange (HNX), in August 2025, the listed stock market on HNX continued to experience active trading with significant fluctuations in price indices.

The HNX-Index maintained an upward trend for more than the first half of the month, with several consecutive rising sessions followed by sharp declines before rebounding. The HNX-Index closed the last trading session of the month at 279.98 points, up 5.68% from the previous month. The highest point reached by the index was 286.45 points on August 19, 2025.

Simultaneously, market liquidity also increased sharply; on average in August 2025, the trading volume reached 171.1 million shares/session, an increase of 20%, and the trading value increased by 13.79% to 3,802 billion VND/session.

Foreign investors also actively traded listed stocks on the HNX, with a 38% increase in trading value compared to the previous month. Specifically, foreign investors bought over VND 4,482 billion and sold over VND 3,978 billion, resulting in a net purchase of over VND 504 billion.

Meanwhile, proprietary trading of listed stocks on the HNX by member securities companies increased by 7.6% compared to the previous month, with a transaction value of over 477 billion VND (accounting for more than 2% of the entire market), of which this group sold net more than 279 billion VND.

By the end of August 2025, the HNX listed stock market will have 304 listed companies with a total listed value of over 166,000 billion VND. The market capitalization at the end of the month reached over 388,100 billion VND, a decrease of 1% compared to July 2025.

In the derivatives market, following the positive trading trend in July 2025, derivatives continued to be actively traded with a significant increase in liquidity in August.

The average trading volume of VN30 index futures contracts continued to increase sharply, rising by 40.04% compared to July, reaching 336,436 contracts/session. The average trading value reached VND 59,598 billion/session (in terms of contract value), an increase of 55.66%. Of those, the trading session on August 22, 2025, had the largest trading volume of the month with 555,543 contracts.

Open interest (OI) at the end of the month on August 29, 2025, reached 50,418 contracts, a decrease of 13.14% compared to the previous month. The highest OI of the month was 68,174 contracts on August 20, 2025. This was also the highest OI volume recorded so far this year, surpassing the highest OI level achieved in July.

According to investor structure, proprietary trading in derivatives by securities companies decreased from 2.2% in July 2025 to 1.9% of the total market trading volume in August 2025. Foreign investors slightly reduced their trading of VN30 futures contracts compared to the previous month, with foreign investors accounting for 2.33% of the total market trading volume.

Source: https://baodautu.vn/thanh-khoan-san-hnx-tang-manh-trong-thang-8-d382421.html