Lesson 08 · Perplexity Mastery Pro+ ~14 min 3 specialized domains

Advanced research: finance, academia, legal.

The big unlock at the pro tier is source control. Three domains where Perplexity crushes general search — financial research, academic search, and legal research — all rest on one move: pointing it at the primary sources professionals actually trust, and steering with Focus modes. Work the desk below.

The mental model

Specialized domains have specialized source pools.

Researching finance? You want SEC filings and earnings transcripts — not a Forbes hot take. Researching medicine? Peer-reviewed papers — not WebMD. Perplexity's Focus modes and filters let you constrain the source pool to what experts trust before it answers, instead of filtering low-quality results after.

Do it · work the research desk

Three domains, one move: go to the primary source.

Switch between the tabs. Each has the principle, a prompt you can steal, and one call to make.

The research that matters lives in primary filings — 10-K, 10-Q, S-1, earnings transcripts — not Yahoo Finance. Perplexity finds and synthesizes across them.

Steal this prompt"What did [Company] disclose about [topic] in their most recent 10-K? Cite the specific section. Then compare revenue-concentration risk across [3 peers] from their latest 10-Ks."

You found a revenue figure you're about to put in an investment memo. Which source do you trust to act on?

Go to the filing. The 10-K is the company under legal obligation to be accurate. Perplexity's summary is a fast map — but verify any number you'd act on against the original filing.

Turn on Academic Focus and Perplexity searches scholarly sources — peer-reviewed papers, preprints, journals — instead of the open web. The output is research-grade.

Steal this prompt"(Academic focus on) What's the state of evidence on [research question]? Synthesize the strongest recent studies, note the methodologies, and flag where the most-cited researchers disagree."

You need the best evidence on a treatment's effectiveness. Which source pool?

Academic Focus. It constrains to scholarly sources, so you're synthesizing studies, not SEO content. One limit: it finds papers but won't open paywalled full text — follow the citation to read deeply.

Perplexity searches statutes, regulations, and case law from government and legal sources. It won't replace Westlaw for litigation, but it massively speeds background research for non-litigators.

Steal this prompt"What's the current law in [jurisdiction] on [topic]? Cite the statute. Find cases where [legal question] was litigated and the outcome. What federal regulatory changes are pending, and the timeline?"

Background research surfaces a regulation that affects a real business decision. Next move?

Brief, then consult. Perplexity finds and summarizes the law — only an attorney can interpret it with legal authority for a decision that matters. Use it to walk in informed, not to skip the lawyer.

Do it · steer with Focus modes

Pick the source pool at search time.

Focus modes — Academic, Social, Video, Writing, Web — change what Perplexity pulls. Pros choose deliberately by question type. Match each research need to its mode.

Match the Focus mode0 / 5

Still verify

Focus modes aren't perfect filters — a weak source can slip through. Always scan the source list and reject anything low-quality by hand, and verify cited figures before you act on professional research.

Challenge: deep-research one professional question

Pick a research question you'd otherwise spend 2–3 hours on at work. Apply the right domain tactic, turn on the right Focus mode, and verify every citation you'd act on. Track time saved and quality against your manual approach.

Try a research prompt in the playground → Back to Perplexity Mastery

What you can do now

Research finance from primary filings (10-K, 10-Q, earnings transcripts)
Use Academic Focus for evidence-based questions
Do background legal research, then consult an attorney for the call
Choose Focus modes deliberately by question type
Scan the source list and verify citations before acting

Pro+

Up next in Perplexity Mastery

Lesson 09 · Model Council — compare frontier models on your question

Ask the same question to several frontier models at once and see how they differ — the pattern that catches blind spots a single model would miss. Start lesson 09 →