📖 Standard III(C) — 适用性（Suitability）

Module: Ethics & Professional Standards Standard: Standard II — Integrity of Capital Markets Exam Weight: Ethics Module 15–20% (Standard II accounts for ~3–4%)

1. Overview of Standard II(B)

Text of the Standard

Members and Candidates shall not engage in practices that distort prices or artificially inflate trading volume with the intent to mislead market participants.

Key Concepts

2. Definition and Types of Market Manipulation

2.1 What Is Market Manipulation?

Market manipulation refers to practices that artificially interfere with security prices or trading volumes, distorting market information and inducing other investors to make disadvantageous trading decisions.

2.2 Two Major Types Under the CFA Framework

Type 1: Information-Based Manipulation

Disseminating false or misleading information to influence security prices.

Typical Scenarios:

1. Spreading False Rumors
2. Example: Spreading false rumors that a company is about to be acquired, driving up the stock price, then selling

3. Example: Shorting a stock, then spreading false rumors of accounting fraud

4. Ponzi Schemes

5. Using new investors' funds to pay "returns" to earlier investors

6. Creating the illusion of consistent profits to attract more capital

7. Pump and Dump

8. Accumulating a large position in a low-priced stock
9. Disseminating positive (but false/misleading) information via social media or online forums
10. Selling rapidly once the price is driven up

Type 2: Transaction-Based Manipulation

Interfering with prices through actual trading behaviors (rather than information).

Typical Scenarios:

1. Wash Trading
2. Simultaneously buying and selling the same security by the same person or affiliated parties
3. Creating the illusion of active trading without actual change in ownership

4. 🚫 Explicitly prohibited in all markets

5. Matched Orders / Pre-Arranged Trades

6. Two parties pre-arrange to buy and sell the same quantity at the same price at the same time

7. Similar to wash trading but involves collusion between two parties

8. Marking the Close

9. Placing large buy or sell orders near the market close

10. Intended to influence the closing price (used for performance benchmarks, derivatives settlement, etc.)

11. Spoofing / Layering

12. Placing large limit orders with no intention of execution

13. Creating a false impression of market depth to lure other traders, then canceling and trading in the opposite direction

14. Cornering / Squeezing

15. Controlling a significant portion of a security's supply
16. Forcing short sellers to cover at elevated prices (short squeeze)

3. The Critical Element: Intent

3.1 Intent Is the Core Requirement

A Standard II(B) violation requires the subjective element of "intent to mislead." Market impact alone (e.g., a large trade pushing up the price) is insufficient to establish manipulation.

3.2 Legitimate Trading vs. Manipulation

3.3 Analytical Framework

Action → Does it affect price/volume?
  ├─ No → Standard II(B) not relevant
  └─ Yes → Is there intent to mislead?
        ├─ No → Possibly legitimate (further analysis needed)
        └─ Yes → VIOLATION of Standard II(B)

4. Common Application Scenarios

Scenario 1: Research Reports and Trading

Analyst A publishes a positive rating on XYZ Company, but had already purchased a large amount of XYZ shares before publication. After the rating is released, the stock rises and A sells for a profit.

Analysis: If the research is genuine and has a reasonable basis → no violation (though other disclosure issues may arise). If the research is exaggerated or false → violates II(B) (information-based manipulation).

Scenario 2: Social Media and Stocks

B anonymously posts on a financial forum claiming that a small biotech company's drug has received FDA approval (when it has not). The stock surges 200% that day.

Analysis: Clearly violates II(B) — spreading false information to mislead market participants.

Scenario 3: Market Maker Spoofing

Market maker C places a buy order for 10,000 shares at $50 (with no intention of executing), attracting other buyers to follow up to $50, then cancels the order and sells at $50.

Analysis: Violates II(B) — classic spoofing/layering behavior; the sole purpose of the order was to mislead others.

Scenario 4: Block Trade

Portfolio manager D needs to sell 1 million shares of a moderately liquid stock. D executes the sale in batches over multiple days to minimize market impact.

Analysis: No violation. D is prudently executing a large trade without any intent to mislead. This is sound execution technique, not manipulation.

5. Regulatory Coordination with CFA Standards

CFA members must comply with both Standard II(B) and applicable securities regulations in each jurisdiction:

CFA Standards vs. Law and Regulation: Comply with the stricter standard. Even if conduct is technically not illegal under local law, if it violates CFA Standards, it remains a violation.

6. Cross-Reference with Other Standards

7. Memory Aid

"Price/volume distortion + intent — two paths: information and trading."

• Distortion: Artificially distort prices or inflate trading volume
• Intent: Must have subjective intent to mislead market participants
• Two Paths: Information-based manipulation (spreading false news) and transaction-based manipulation (wash trading, spoofing, etc.)

8. Practice Questions (5 Questions)

Question 1

An analyst anonymously posts an article on social media claiming a company has committed serious accounting fraud. The analyst had previously shorted the company's stock. After the article is published, the stock falls 20%, and the analyst covers the short position for a profit. Has the analyst violated Standard II(B)?

A. No violation, because the analyst has freedom of speech B. No violation, because short selling is a legitimate investment strategy C. Violation, because spreading false/misleading information to manipulate the stock price D. Violation, solely because of failure to disclose the short position

Question 2

Which of the following actions is most likely to constitute transaction-based market manipulation?

A. Normal buying and selling of securities based on public information B. Simultaneously submitting buy and sell orders for the same security in the same account (wash trading) C. Publishing a research report with a reasonable basis and then buying the stock D. A large institution selling a significant amount of stock due to portfolio rebalancing

Question 3

Regarding Standard II(B), which of the following statements is correct?

A. Any trading activity that affects market prices constitutes a violation B. Manipulation must involve both information-based and transaction-based methods to constitute a violation C. Intent to mislead market participants must be present to establish a violation D. Standard II(B) applies only to equity markets, not derivative markets

Question 4

A trader buys a large volume of the underlying stock near the close on options expiration day, intending to push up the closing price so that their call options settle in-the-money. This behavior:

A. Is a legitimate risk management practice B. Constitutes transaction-based market manipulation (marking the close) C. Constitutes information-based market manipulation D. Is not a violation, because the trading intent is publicly known

Question 5

Which of the following descriptions of spoofing is correct?

A. Spoofing is the dissemination of false information to manipulate the market B. Spoofing involves placing orders with no intention of execution to create a false impression of supply/demand, then canceling and trading in the opposite direction C. Spoofing is only a violation in futures markets and is legal in equity markets D. Spoofing is identical to a market maker's normal liquidity provision activities

Answers and Explanations

Answer 1: C

The analyst spread false allegations of accounting fraud (if untrue) to push down the stock price and profit from the short position, satisfying both criteria of "information-based manipulation + intent to mislead." Option D regarding position disclosure falls under other standards, but the core violation here is manipulation.

Answer 2: B

Wash trading is a classic form of transaction-based manipulation, creating false trading volume to mislead the market. A and D are normal trading activities. C involves a research report with a reasonable basis, so it is not a violation.

Answer 3: C

The core of Standard II(B) is "intent to mislead." A is incorrect because legitimate large trades can also affect prices. B is incorrect because either type alone can constitute a violation. D is incorrect because II(B) applies to all securities markets.

Answer 4: B

Trading to influence the underlying asset's closing price on options expiration day to alter the settlement outcome is a classic "marking the close" behavior and constitutes transaction-based manipulation.

Answer 5: B

The core definition of spoofing: placing large limit orders with no intention of execution, creating a false impression of market depth to lure other traders, then canceling and trading in the opposite direction. A describes information-based manipulation. C is incorrect (spoofing is considered manipulation in all markets). D is incorrect (market makers' role is to genuinely provide liquidity, not to mislead).

📌 Next Lesson Preview: L022 — Standard II(B) Application Scenarios: Information-Based vs. Transaction-Based Manipulation — In-Depth Case Comparison Analysis.