Chinese Wall
Also written Chinese walls · Information barrier
An enforced separation inside a firm between departments holding confidential price-sensitive information and those dealing with clients, sales or public research.
In plain language
One financial firm can do several jobs at once. It may advise a company on a takeover. It may also publish research on that company. And it may sell that company's shares to the public.
The takeover work involves secrets. Nobody outside the firm knows about the deal yet. The research and sales teams must work as if those secrets do not exist.
The Chinese wall keeps the two sides apart. It is a barrier built into how the firm is organised. On one side are the inside areas, which handle confidential information every day. On the other side are the public areas, which deal with clients and the market.
How it works
The wall is made of concrete arrangements, not good intentions:
- Physically separate floors, and separate access control
- Separate reporting lines, with no shared supervisor below the top of the firm
- Systems segregation, so deal files are not visible across the wall
- Restricted and watch lists that block dealing and research in named securities
- Written policies on what may be discussed and with whom
Crossing the wall — bringing someone from the public side over to work on a confidential matter — is permitted but controlled. It must be on a need-to-know basis and must be notified to the compliance officer, who records it and places that person under the same dealing restrictions.
A worked example
A firm's investment banking team is advising a listed pharmaceutical company on acquiring a rival. The deal is unannounced.
In the same firm, a research analyst covers that pharmaceutical company and is preparing a note.
What the wall requires:
- The analyst is not told about the transaction. Their note is written from public information only.
- The stock goes on the firm's restricted list, so employees cannot deal in it.
- If the banking team needs the analyst's sector expertise, the analyst may be brought over the wall — but only with compliance recording it, and from that moment the analyst is an insider: no publishing, no dealing, until the deal is public.
What would breach it: the banker mentioning the deal informally, the analyst publishing an upgrade knowing the deal is coming, or either dealing in the shares. Each of those is also insider trading under the SEBI (Prohibition of Insider Trading) Regulations, 2015.
Why NISM asks about it
Chapter 14 (Legal and Regulatory Environment) covers the Chinese wall as part of the research analyst's conflict-of-interest obligations, alongside the insider trading regulations. Expect scenario questions asking whether a described communication is permitted, and what must happen when someone is brought over the wall.
Common exam traps
- Crossing the wall is not forbidden — it is permitted on a need-to-know basis with intimation to the compliance officer. Options claiming it is absolutely prohibited are wrong.
- The wall separates inside areas from public areas, not simply "research from banking".
- It is an organisational control, not a personal undertaking. A verbal promise of confidentiality is not a Chinese wall.
- Once brought over the wall, a person stays restricted until the information becomes public — not merely until their piece of work is finished.
Where this is taught
- Series XXI-B · Chapter 11: Regulatory, Governance and Ethical Aspects of Portfolio Managersintroduced here
- Series IX · Chapter 2: Introduction to the Merchant Bankingintroduced here
- Series XV · Chapter 14: Legal and Regulatory Environmentintroduced here
- Series XXI-A · Chapter 12: Regulatory, Governance and Ethical Aspects of Portfolio Managersintroduced here
Related terms
- Conflict of interestAny interest of the analyst's own — a shareholding, a fee, a relationship — that could bias the research, and which the regulations require to be disclosed rather than merely avoided.
- InsiderAnyone who is a connected person, or who simply possesses or has access to unpublished price sensitive information — possession alone is enough, with no relationship to the company required.
- Unpublished price sensitive informationInformation about a company or its securities that is not generally available and that would, on becoming available, be likely to materially affect the price of the security.
- Research Objectivity StandardsThe CFA Institute's specific, measurable norms for managing and disclosing the conflicts of interest that can stop a research analyst producing independent research and objective recommendations.
- Compliance OfficerThe separately appointed officer of a merchant banker, listed company or intermediary who monitors compliance with securities law, handles investor grievances, and reports non-compliance to SEBI independently.
- Structured digital databaseThe tamper-evident internal register every handler of unpublished price sensitive information must maintain, recording the nature of the information and the PAN of everyone who shared it and received it.
- Conflict of Interest PolicyThe written policy every AIF must have describing the conflicts that could arise at each level of the fund, how the manager will mitigate them, and how investors are told and asked to acknowledge them.
- Buy-side analystAn analyst employed by an asset manager — a mutual fund, pension fund, hedge fund, AIF, FPI or portfolio manager — whose recommendations are written for the employer's own fund managers, not the public.
- Sell-side analystAn analyst at a firm offering investment banking, broking or advisory services who publishes research in the public domain with a buy, hold or sell call and a price target.
- Research AnalystUnder the SEBI (Research Analysts) Regulations, 2014, a person who, for consideration, is engaged in the business of providing research services — including a part-time research analyst.
- Independent research analystThe third of the workbook's analyst categories: one who works for a research originator or boutique firm separate from full-service investment firms, and sells research on subscription.
- Insider informationMaterial non-public information which, if published, would immediately affect an investor's decision to buy or sell a security — information a research analyst must not collate.
- Generally available informationInformation accessible to the public on a non-discriminatory basis — the opposite pole of unpublished price sensitive information, and expressly not including unverified media reports.
- Connected personA person whose association with a company in the six months before the act put them, or could reasonably be expected to put them, in a position to access unpublished price sensitive information.
- Restricted listThe confidential list of securities an intermediary's compliance officer maintains, used as the basis for approving or rejecting applications for pre-clearance of trades by designated persons.
- Debenture trusteeThe SEBI-registered trustee of the trust deed securing an issue of debentures — the debenture holders' agent, standing between them and the issuer for the life of the paper.
- Proxy adviserA person who advises institutional investors or shareholders on exercising their rights in a company, including voting recommendations on agenda items and recommendations on public offers.
- Exonerating circumstancesThe circumstances listed in Regulation 4 of the PIT Regulations that an insider who traded while holding UPSI may demonstrate to rebut the presumption that the trade was motivated by that information.
- Stewardship codeSEBI's mandatory code requiring all AIFs and mutual funds to monitor, engage with and vote in the listed companies they invest in — and to publish the policies by which they do it.
- Dealing teamThe team a portfolio manager must constitute to place and execute all orders under its written policies, working from a restricted dealing room with recorded lines and full audit trails.
- Pre-clearancePrior approval from the compliance officer before a designated person trades above a board-set threshold. A pre-cleared trade must be executed within at most seven trading days.