A beginner's guide to market manipulation and how SEBI fights it

Fair markets depend on prices set by genuine buying and selling. Market manipulation breaks this. This page explains what market manipulation means, the common types, the laws against it in India and how you can protect yourself.

Quick answer

Market manipulation is any deliberate act that artificially influences the price or trading volume of a security, to mislead other investors and make a profit or avoid a loss. Common types include pump and dump schemes, spoofing, circular trading, wash trades and spreading false news. In India, it is prohibited under the SEBI Act, 1992 and the SEBI PFUTP Regulations, 2003.

Key takeaways

• Market manipulation artificially moves price or volume.
• Common types include pump and dump, spoofing and circular trading.
• The SEBI Act and PFUTP Regulations prohibit it.
• Penalties can reach Rs 25 crore or three times the profit.
• Exchanges use surveillance measures like ASM and GSM.

What is market manipulation?

Prices in a fair market reflect real demand and supply from many independent buyers and sellers. Manipulators try to create a false picture. They may fake trading activity, place misleading orders or spread false information to push prices where they want.

The aim is usually to buy low and sell high at the cost of others who were misled. Even if the manipulator does not profit, the act itself can be an offence.

Common types of market manipulation

Some schemes combine several types. For example, a group may use circular trading to create volume and then use social media hype to attract buyers before selling.

What do Indian laws say?

Section 12A of the SEBI Act, 1992, prohibits manipulative and deceptive devices. The SEBI PFUTP Regulations, 2003, list many specific forms of fraudulent and unfair trade practices, including creating a false appearance of trading.

Under Section 15HA of the SEBI Act, the penalty for fraudulent and unfair trade practices can be up to Rs 25 crore or three times the profit made, whichever is higher. SEBI can also bar people from the market and order disgorgement of unlawful gains. Serious cases can lead to criminal prosecution.

How exchanges and SEBI detect it

Stock exchanges run surveillance systems that flag unusual price moves, volume spikes, order patterns and links between accounts. Shares showing unusual activity may be placed under the Additional Surveillance Measure (ASM) or Graded Surveillance Measure (GSM) frameworks.

SEBI also studies trading data, phone records and social media activity in investigations. Many cases begin with alerts from these systems or complaints from investors.

How to protect yourself

Be wary of tips that promise quick, large gains, especially in small, thinly traded shares. Check official company announcements and results before acting. Verify that any adviser is SEBI-registered.

If a share is under ASM or GSM, read why before trading in it. In short, market manipulation harms honest investors, and awareness is a strong first defence.

Frequently Asked Questions