Stock Market Biggest Change: One-day expiry options will now be launched in the stock market. What is it, who will launch it, answers to all the questions.

News Topical, Digital Desk : The market is poised for a major change next year. In the first quarter of 2027, the exchange may launch options contracts with a one-day expiry date. These are called zero-day to expiry, or 0DTE. This model has become very popular in the US, and Hong Kong is now following suit.

According to Bloomberg, Hong Kong's stock market is poised to revolutionize trading. Hong Kong Exchanges & Clearing Ltd. is preparing to introduce options contracts on the benchmark Hang Seng Index that expire within a single day. In market parlance, these are known as zero-day to expiry, or 0DTE.

Sources told the news agency that these contracts could be launched in the first quarter of 2027. Previously, the exchange had planned to launch them in the first half of 2025, but now a new timeline has emerged. The exchange has not yet officially commented on this. However , when we spoke to experts on this issue, they said that such trading is unlikely to begin in a stock market like India. They explained that this is the case in the US stock market, where contracts are for one day. 

What are 0DTE options? 0DTE options are options that last only for that day. This means that a contract purchased in the morning can expire by evening. This allows traders to bet on small movements throughout the day. If there is major market news, a data release, an interest rate decision, or sharp fluctuations are expected, traders use these contracts to take quick positions. 

Why have they become so popular in the US? These contracts were introduced in the US in 2022. After that, the entire game of options trading changed there. Now, more than half of the total options volume related to the S&P 500 Index is considered to be contracts expiring daily. This clearly shows that small-time traders, algo systems, and professional trading desks have greatly appreciated this product. 

Why is Hong Kong introducing this product? The Hong Kong Exchange wants to compete with major financial centers in the world. Increasing derivatives trading is its priority. To this end, the exchange introduced weekly contracts in 2024.

Such products were launched, including weekly contracts on the Hang Seng Tech Index and 10 single stocks. These were later expanded. Now, the launch of 0DTE is considered the next step in that strategy.

What does this mean for investors?
If this product is introduced, trading volumes in the Hong Kong market could increase. Short-term traders will find new opportunities. However, the risks will also be greater, as premiums on contracts with one-day expiry erode rapidly, and losses can occur immediately.

Let me try to answer the questions that may be arising in your mind…

Question: What new is the Hong Kong Stock Exchange planning to introduce?
Answer: Hong Kong Exchanges & Clearing Ltd. is preparing to launch options contracts on the benchmark Hang Seng Index that will expire on the same day. This means that a contract purchased in the morning could expire by evening.

Question: When could these be launched?
Answer: According to reports, these contracts could be launched in the first quarter of 2027. Previously, there was talk of launching them in 2025, but now a new timeline has emerged.

Question: What does 0DTE mean?
Answer: 0DTE stands for Zero-Day to Expiry. This means an option contract valid only for that trading day. The contract expires at the end of the day.

Question: How will this benefit traders?
Answer: This allows traders to bet on small movements throughout the day. If there are sharp market fluctuations, major data releases, interest rate decisions, or unexpected news, traders can take positions immediately.

Question: How successful has this been in the US?
Answer: These contracts were introduced in the US in 2022. Subsequently, the S&P 500 Index options market has undergone a major transformation. Now, daily expiring contracts account for more than half of total options volume.

Question: Why is Hong Kong introducing this?
Answer: The Hong Kong Exchange wants to compete with global markets. It wants to expand derivatives trading and attract more traders. This step is being taken as part of this strategy.

Question: Have new products been introduced before?
Answer: Yes. In 2024, the exchange introduced weekly contracts on the Hang Seng Tech Index. Similar products were also launched for 10 single stocks.

Question: What are the risks involved for investors?
Answer: Contracts with a single day's expiry have a very short time horizon. Consequently, premiums can decline rapidly. If a trade goes in the wrong direction, losses can also occur quickly. Therefore, this product is considered more suitable for experienced traders.

Question: What impact could this have on the market?
Answer: This could increase trading volumes in the Hong Kong market. Foreign investor interest could increase, and other Asian markets could also consider launching similar products.

Question: What's next?
Answer: The market will be watching to see when the exchange officially announces this and what regulations are implemented at the time of launch.

Read More: Brokerage Report: These 11 stocks are in for a surprise! These stocks could make waves as soon as the market opens.