Which of the following investment do have the largest market in the world in terms of trading volume and liquidity?

The largest market in the world in terms of trading volume and liquidity is the foreign exchange (Forex) market. Here are some details to consider:

1. Market Size: The Forex market accounts for a daily trading volume exceeding $6 trillion. This makes it the largest financial market in the world, dwarfing other markets such as equities or commodities.

2. Liquidity: Due to its enormous trading volume, the Forex market is known for its high liquidity. Traders can buy and sell currencies without causing significant price changes, making it an attractive arena for both large and small investors.

3. Trading Hours: The Forex market operates 24 hours a day during weekdays, providing continuous trading opportunities across different time zones, further increasing its liquidity.

4. Global Participation: The participation of various entities, including governments, financial institutions, corporations, and individual traders, contributes to the market's depth and liquidity.

Therefore, if you are looking for the largest market by trading volume and liquidity, the foreign exchange market stands out as the primary candidate.