A friend at a listed company mentions over dinner that results are going to be very good. You have not asked for anything, no envelope has changed hands, and buying the stock tomorrow would be a criminal offence. This is the kind of line people cross without ever deciding to.
What the rules actually cover
| Act | Why it is prohibited | Common self-justification |
|---|---|---|
| Trading on unpublished price sensitive information | You are trading against people who cannot access it | “I did not ask for it, it came up in conversation” |
| Passing that information on | Tipping is an offence even if you do not trade yourself | “I just mentioned it, they decided on their own” |
| Front-running | Trading ahead of a client or a large order you know about | “My order is tiny, it changes nothing” |
| Promoting a position you hold without disclosing it | Others act on advice given for your benefit | “I genuinely believe in it, so it is not really promotion” |
| Circular or synchronised trading | Creating false volume and price signals | “We were just providing liquidity” |
Everyone buys a lottery ticket. One person has seen the draw. They did not steal the ticket, did not bribe anyone, and simply happened to see — and nobody would call the game fair once they buy.
That is what trading on unpublished information does. The person on the other side of your trade agreed to a game where both sides had the same public facts, and they did not agree to this one.
Why people cross the line
Almost nobody sets out to break a rule. Three features of the situation do the work.
- 1The information arrives without being sought
It feels like luck rather than a decision, so it does not trigger the sense that a choice is being made.
- 2The victim is invisible
There is no identifiable person harmed — just an order book. Anonymous counterparties make it easy to feel nothing has been taken from anyone.
- 3The amount feels too small to matter
“Two lakh rupees cannot move anything.” Size is not what the rules are about, and it is not what an investigation examines.
The everyday versions
Most readers will never be near genuine insider information. The smaller versions are far more common and worth being clear about.
- Acting on published results and filings
- Scuttlebutt — asking dealers and customers about demand
- Sharing an opinion while disclosing you own it
- Using public data faster or better than others
- Trading on what a friend inside the company said
- Posting bullish views on a stock you are quietly selling
- Joining a group that coordinates buying to move a price
- Passing on a tip you know came from inside
At a family function, a relative who works at a listed company mentions the quarterly results will beat expectations. You buy the stock the next day. What is the position?
Sab log lottery ticket khareed rahe hain aur ek aadmi ne draw pehle hi dekh liya hai. Usne chori nahi ki, rishwat nahi di — bas dikh gaya. Phir bhi khel unfair ho gaya. Andar ki khabar pe trade karna bilkul yahi hai, aur "maine poocha thodi tha" se kanoon nahi badalta.
- The offence is trading while in possession of unpublished price sensitive information — how you got it does not matter.
- Passing a tip on is an offence even if you never trade yourself.
- People cross the line because the information was unsought, the victim invisible and the amount small.
- Scuttlebutt is legitimate; asking someone inside about the numbers is not.
- If acting on it requires the other side not to know what you know, do not act.
Mark it done to track your progress through the curriculum.
Common questions
Short, direct answers to what people ask about this topic.
- unpublished price sensitive information meaning
- Unpublished price sensitive information, usually shortened to UPSI, is information about a listed company that is not generally available and that would likely move the share price once it is. Results before they are announced, a planned acquisition, a dividend decision or a change in capital structure are the standard examples. Under SEBI’s insider trading regulations, trading while in possession of UPSI is prohibited — and so is passing it on to someone else.
- trading ahead of a large client order you know is coming is called
- Front-running. It is prohibited because the order you know about is the reason the price is about to move, and you are using knowledge of somebody else’s instruction to position yourself first. The size of your own trade makes no difference to whether it is an offence — “my order is tiny, it changes nothing” is a self-justification, not a defence.
- is it illegal to trade on a tip from a friend who works at the company
- Yes, if what they told you is unpublished and price sensitive. The rules turn on whether you were in possession of that information while trading, not on how you came by it — overhearing it, receiving it unsolicited at a family function, or getting it third-hand does not change the position, and the size of your trade is irrelevant. Passing the tip on is a separate offence even if you never trade yourself.
- difference between scuttlebutt and insider information
- The difference is the source, not the effort. Asking a distributor whether a product is selling, or a customer what they think of it, is legitimate research — they are speaking about their own business and their own experience. Asking someone in the company’s finance team what the quarterly numbers look like is unpublished price sensitive information, however casually the conversation comes up.
- is it wrong to post bullish views on a stock you are quietly selling
- Yes — others are then acting on advice given for your benefit, which is the everyday version of manipulating a price. Sharing an opinion is perfectly fine when you disclose that you own the stock; the problem is the undisclosed interest, not the opinion. A workable rule for all of these situations: if acting on something requires the other side not to know what you know, do not act.