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.

What it does

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.

The evidence

Merger arbitrage and biotech catalyst trades are classic event-driven strategies with returns tied to specific outcomes.

Best for

Merger targets, biotechs, policy-exposed single names.

Pairs well with

catalyst, antitrust-action, pdufa-date

Use cautiously with

Event risk is binary and unhedged exposure can gap violently; treating it like a diversified bet underestimates the tail.

Cautions

Outcomes and timelines are uncertain, and correlated events can cluster losses.