Investing Concepts
Event-Driven
A strategy that trades around specific corporate or policy events rather than long-term fundamentals.
Also known as: Special Situations, Event Trading
- What it is
- Event-driven investing builds positions around defined events like mergers, spinoffs, regulatory decisions, or policy actions. Returns depend on the event's outcome and timing rather than broad market direction. It includes merger arbitrage and catalyst trades.
- How it moves markets
- It isolates a discrete outcome, letting investors size bets on binary or defined-range results. Policy catalysts fit naturally as event-driven setups. Risk is concentrated in the event, so hedging and position sizing are central.
- Track record
- Merger arbitrage and biotech catalyst trades are classic event-driven strategies with returns tied to specific outcomes.
- Who it affects
- Merger targets, biotechs, policy-exposed single names.
- Related terms
- catalyst, antitrust-action, pdufa-date
- Common misread
- Event risk is binary and unhedged exposure can gap violently; treating it like a diversified bet underestimates the tail.
- Watch out for
- Outcomes and timelines are uncertain, and correlated events can cluster losses.
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