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Not investment advice. Educational reading. See Disclaimer.
L.5 · INTERMEDIATE · 3 MIN

Ethics in Practice: Calling the Hard Cases

The earlier modules gave you the rules: a fiduciary puts the client first, conflicts are managed rather than exploited, and you never convert a secret into a trade. Real situations rarely announce which rule applies, and the wrong reading is usually the comfortable one. This module drills the judgment, not the definitions. Keep three reflexes loaded. First, disclosure is a floor, not absolution -- telling a client about a conflict informs them; it does not license you to then act on it. Second, fairness is about sequence and access, not just whether anyone was lied to -- trading or releasing information so one party profits ahead of another who was entitled to it is front-running, and it is wrong even when the underlying view is correct. Third, an informational edge is not a crime -- the source is; an edge built from public and non-confidential pieces is the lawful mosaic, while one decisive fact obtained through a breached confidence is not.

Quiz · 5 questions ↓
§ 01
The situationThe comfortable (wrong) readingThe disciplined call
You disclosed a commission conflict in the fine print, then still steered the client into the higher-paying near-identical fundDisclosure was made, so the duty is dischargedDisclosure does not transfer the duty back to the client; acting on the disclosed conflict is still a breach
A market-moving note goes to premium clients at 9:00 and standard clients at 11:00 on the same researchPremium clients paid more, so the head start is just the productStaggering the same price-sensitive research lets one group trade ahead of another -- a structured front-run, not a service tier
A friend, not employed by the company, repeats a CFO's not-yet-announced earnings miss to you and you sellYou are an outsider with no job at the company, so you are free to act on itA tippee inherits the duty: material, nonpublic, passed through a breached confidence -- illegal regardless of your title, and selling counts the same as buying
You out-research the market using only public filings and lawful expert calls and gain a real edgeAny pre-earnings edge must be insider tradingThis is the lawful mosaic theory -- the edge is legitimate because no decisive piece is material, nonpublic, and improperly sourced
§ 02

When a case feels ambiguous, run the one test the whole path reduces to: would this choice survive being explained, in plain words, to the client whose interest you owe? 'I disclosed it in the fine print and then did it anyway,' 'I let the higher-paying clients trade ahead of you on the same note,' and 'I traded on a tip I knew came from inside' all fail that test instantly. The rule you are looking for is usually the one the comfortable answer is trying not to apply.

§ 03

Two traps catch careful people. The first is treating disclosure as a cure: a conflict you disclosed and then acted on is still a breach, because disclosure only lets the client weigh your advice with open eyes -- it never licenses the self-serving act itself. The second is mistaking an edge for a crime, or its mirror, mistaking a crime for mere skill. The lawful mosaic assembles public and non-confidential pieces into a sharper view and is supposed to produce an advantage; insider trading is the shortcut of one decisive material, nonpublic fact reached through someone's breached duty. The dividing line is never how big the edge is or whether the call was right -- it is solely the source of the decisive fact. Hold both: disclosure is not permission, and an edge is not the offense -- the source is.

§ 04
A portfolio manager genuinely believes a small position is a great long-term buy. They also know the firm is about to publish a strong research note on it tomorrow morning that will likely move the thinly-traded stock. They buy more for client accounts today, ahead of the note. Clients benefit. Is this acceptable?
§ 05

Ethics is judgment under ambiguity, and the comfortable answer is usually the one avoiding the rule. Three reflexes carry you through almost every hard case: disclosure is a floor and never permission; fairness is about sequence and access, so trading ahead of what someone is entitled to is front-running even when the view is right; and an edge is lawful or not by its source alone -- the public, non-confidential mosaic is the system working, one breached secret is the system cheated. This is the trust layer the entire rest of your analysis -- valuation, accounting, every signal you will learn here -- quietly stands on: skill the market can rely on only because it was come by honestly.

Five questions · AI feedback

Sit with the ideas.

An analyst builds a strong 'Buy' thesis purely from public 10-K filings, lawfully purchased satellite images of store parking lots, and interviews with industry consultants who share no confidential client data -- then buys before earnings. A colleague says: 'You clearly have an edge before the print -- that's basically insider trading.' Who is right?

Why:
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