Link to perplexity page where I ran the query in Perplexity Lab
Question asked to Perplexity Lab
I want to understand in detail how perplexity works from first principles [taking example of equity reserch for a investor who does fundamental research on HDFC bank. How if works differently to CHATGPT. certain tools for CHATGPT like personas, context & goal, directive phrases, Specific problem to be solved, how critical these are to be mentioned in prompt in perplextity. Similar for various sources of investor edge like information edge, analytical edge and inference edge , what edge perplexity provides
Understanding Perplexity for Equity Research: A Comprehensive Practical Guide from First Principles
Thank you for being a Perplexity Pro subscriber! This comprehensive guide will help you understand how Perplexity works fundamentally differently from ChatGPT for equity research, using HDFC Bank as our practical example.
How Perplexity Works from First Principles
Perplexity operates as an AI-powered "answer engine" rather than a traditional chatbot12. At its core, Perplexity combines three fundamental technologies that make it uniquely powerful for equity research:
1. Real-Time Search Architecture
When you ask Perplexity a question, it doesn't rely on pre-trained static data. Instead, it searches the internet in real-time13, gathering information from authoritative sources like financial websites, SEC filings, earnings reports, and regulatory announcements. This is fundamentally different from ChatGPT, which primarily draws from its training data (with a knowledge cutoff) unless specifically using search mode45.
2. Retrieval-Augmented Generation (RAG) System
Perplexity uses sophisticated AI to interpret your question, searches multiple sources simultaneously, and synthesizes information from diverse, credible sources67. It employs cutting-edge language models like GPT-4.1, Claude 4.0 Sonnet, and its own Sonar models to understand context and nuances83.
3. Source Transparency and Verification
Every answer includes numbered citations linking to original sources13, allowing you to verify information and explore further. This is crucial for equity research where data accuracy and source credibility are paramount9.
Perplexity vs ChatGPT: Comparative Analysis for Equity Research Applications
Key Differences from ChatGPT for Equity Research
Information Edge: Where Perplexity Excels
Information edge refers to finding information that others don't have or getting it faster1011. Perplexity provides significant advantages here:
Real-Time Market Data Access: Perplexity can access live earnings reports, regulatory filings, and market news as they're published912
SEC/EDGAR Integration: Direct access to comprehensive financial data from SEC filings9
Multi-Source Synthesis: Combines information from financial databases, news sources, and regulatory announcements in real-time1314
Analytical Edge: Where ChatGPT Has Advantages
Analytical edge involves interpreting the same information differently or more deeply1011. ChatGPT excels in:
Deep Analytical Frameworks: Better at providing structured, methodical analysis415
Creative Problem-Solving: Superior for developing investment theses and complex reasoning516
Contextual Analysis: More sophisticated at understanding nuanced relationships and implications1718
Prompting Differences: Critical for Equity Research
Perplexity: Simple, Direct Queries Work Best
Perplexity is designed to work with natural, straightforward questions1920. For HDFC Bank research, you can simply ask:
"What are HDFC Bank's latest quarterly results?"
"How does HDFC Bank's ROE compare to peers?"
"What are the key risks facing HDFC Bank currently?"
You don't need personas, context setting, or directive phrases that are crucial for ChatGPT2122.
ChatGPT: Requires Sophisticated Prompting
ChatGPT benefits significantly from persona-based prompting, context setting, and specific directives171823. For effective equity research, you need to:
Define Personas: "Act as a senior equity research analyst with 15 years of banking sector experience"1724
Set Context: Provide background about your analysis goals and constraints1825
Use Directive Phrases: Specify exact analytical frameworks and output formats2326
Define Specific Problems: Break down complex analysis into structured components1727
hdfc_bank_research_comparison.csv
Generated File
Investor Edge Applications: Practical Examples
Information Edge with Perplexity
Time-Sensitive Analysis: For fundamental research on HDFC Bank, Perplexity provides immediate access to:
Latest earnings call transcripts and management commentary139
Real-time regulatory changes from RBI that could impact the bank928
Analytical Edge with Both Tools
Perplexity for Quick Intelligence: Best for gathering current facts and data points rapidly2122
ChatGPT for Deep Analysis: Superior for developing complex investment frameworks and thematic analysis416
Inference Edge: The Human Factor
Inference edge comes from combining both tools effectively. The most successful equity researchers use:
Perplexity for Information Gathering: Quick access to current data and market intelligence
ChatGPT for Analytical Framework: Deep analysis and structured thinking
Human Judgment: Combining AI insights with experience and intuition1011
Practical Workflow for HDFC Bank Analysis
Phase 1: Information Gathering (Perplexity)
"What are HDFC Bank's latest financial results and key highlights?"
"How does HDFC Bank's current valuation compare to historical averages?"
"What recent regulatory changes affect HDFC Bank?"
Phase 2: Deep Analysis (ChatGPT with Proper Prompting)
"Act as a banking sector expert. Analyze HDFC Bank's competitive position considering: 1) Digital transformation progress 2) Asset quality trends 3) Merger integration with HDFC Ltd 4) Market share dynamics. Provide investment recommendation with reasoning."
Phase 3: Synthesis and Decision
Combine real-time intelligence from Perplexity with deep analytical insights from ChatGPT to form investment conclusions.
The Future of AI in Equity Research
Perplexity's unique advantages make it particularly valuable for:
Breaking News Analysis: Immediate access to market-moving information1312
Regulatory Monitoring: Real-time updates on policy changes929
Earnings Season: Quick access to latest results and management commentary1321
The combination approach leverages the best of both worlds: Perplexity's real-time information edge and ChatGPT's analytical depth, creating a powerful toolkit for modern equity research303132.
The key insight is that Perplexity reduces the need for complex prompting while providing superior information edge, making it an ideal complement to ChatGPT's analytical capabilities for comprehensive equity research1433.
I wish Pocket was still there
I could have made that read this article
wow