All four contract codes were traded in the derivatives market on the Hà Nội Stock Exchange (HNX) in November, with total trading volume of 2.82 million contracts, up 10.6 per cent against the previous month.
The coming derivative product for government bonds (known as g-bonds) is expected to help financial institutions hedge risks, but experts have raised concerns about the trading mechanism.
Viet Dragon Securities Corporation (VDSC) on Tuesday became the newest trading member of the derivatives market.
The Vietnam Securities Depository (VSD) on Wednesday said it would apply a new minimum initial margin ratio of 13 per cent instead of the previous 10 per cent for VN30 Index futures to avoid violations and ensure the security of the derivatives market.
The derivatives market has grown strongly over the last three months as investors switch from stocks to derivatives to avoid short-term risks on the stock market.