登入 訂閱

Start Here · ProfitVision LAB

ProfitVision LAB English gateway for U.S. options, equity deep research, systematic investing, options selling, and financial statement analysis.

US Options / Equity Deep Research / Systematic Thinking
The English gateway to ProfitVision LAB.

ProfitVision LAB is not here to find the next hot tip for readers, nor to reduce investing into a single formula. Its purpose is to build a durable order of judgment that can be used for years.

Real investing ability comes from understanding industry structure, business competitiveness, market risk, and placing every decision back into a set of rules that can be examined.

This lab exists to help you turn information into insight, insight into systems, and systems into action that does not depend on emotion. All content is open to read, always free.

"I teach you how to think, not just what to do."
Enter the Academy Browse Deep Research Learn Options Selling Meet the Founder
5%
Maximum Risk Unit
A hard position-risk ceiling before any strategy discussion begins.
Four
Filters
Before every options trade
Sponsorship, moat, volatility, and technical structure.
Moat
First
Research before execution
The goal is not to predict price. The goal is to understand business quality.
System
Rules over impulse
A repeatable process is more valuable than one brilliant trade.
Choose Your Route
Where should English readers start?
Pick the job you want ProfitVision LAB to help with. Each route takes you directly into a useful body of work.
Stock Selection
I want a systematic way to find market leaders.
Start with CANSLIM and SEPA, then move into entry structure and position sizing.
Start CANSLIM ->
Options Basics
I own U.S. stocks or ETFs and want to learn options from zero.
Follow the seven-part beginner path: contracts, roles, terminology, chains, Greeks, seller logic, and your first defined-risk spread.
Open the Options Roadmap ->
Seller System
I want to sell premium with a risk framework.
Start with stock selection, liquidity, IV Rank, market trend, and exit rules before collecting premium.
Learn Options Selling ->
Deep Research
I want institutional-style company analysis.
Business model, moat, financials, competitive landscape, and scenario valuation.
Browse Research ->
Macro Risk
I want to understand the structural forces behind markets.
Geopolitics, industrial policy, AI infrastructure, supply chains, and capital flows.
Open Macro Map ->
Worldview
I want to know who is behind this LAB.
The founder story, the reason this site exists, and why frameworks matter more than calls.
Read About ->
100% Free
PVL Investment Academy

The Academy is the structured curriculum layer of ProfitVision LAB. It turns scattered articles into learning tracks: stock selection, options selling, and financial-statement reading. No signal service. No paid room. The framework is the product.

CANSLIM x SEPA
Market leaders, volatility contraction, pivot points, bases, and risk sizing.
Options Selling System
A zero-to-first-spread curriculum for stock and ETF investors who want one more income and risk-control tool.
Financial Statements
A practical primer for reading income statements, balance sheets, cash flow, and footnotes.
Options 101
The Seven-Part Beginner Path for U.S. Stock and ETF Investors
If you can already buy stocks or ETFs but have never used options, read these in order before touching strategy execution.
01 / Contract Logic
What Is an Options Contract?
Understand options as rights, obligations, insurance, and risk transfer instead of lottery tickets.
02 / Four Roles
Buy Call, Buy Put, Sell Call, Sell Put
Separate buyer rights from seller obligations, and see why each role fits a different market view.
03 / Core Terms
Strike, Expiration, Premium, ITM, OTM
Learn the language of the battlefield: strike price, expiration, premium, moneyness, and open interest.
04 / Options Chain
How to Read Your First Options Chain
Use bid, ask, volume, open interest, IV, and spread width to decide whether a contract is tradeable.
05 / Greeks
Delta, Theta, IV, and Gamma for Beginners
Turn the Greeks into a practical dashboard for strike selection, time decay, volatility timing, and expiration risk.
06 / Seller Mindset
Why I Prefer Selling Options
Move from directional guessing to probability, premium, volatility risk premium, and time working in your favor.
07 / First Trade
Your First Bull Put Spread on IBKR
A defined-risk walkthrough from permissions and combo orders to profit-taking and stop-loss rules.
Hub / Full Roadmap
Read the Complete Options Learning Roadmap
The central hub for the full beginner sequence, with Chinese and English cross-links.
Open the full beginner roadmap ->
Research
Featured Equity Deep Research
Company-level work for readers who want to understand the business before touching the ticker.
FN / AI Optical Infrastructure
Fabrinet: The Invisible AI Optical Champion
Sub-micron manufacturing, optical module demand, and the quiet infrastructure layer behind AI data centers.
NVDA / AI Compute
NVIDIA Q1 FY2027: $91B Guidance After China Zero-Out
Blackwell ramp, inference demand, CUDA ecosystem, and the next phase of AI infrastructure.
TSM / Semiconductor
TSMC: The Physical Monopolist of the AI Era
Advanced nodes, CoWoS packaging, and geopolitical resilience as a capital-allocation problem.
FICO / Pricing Power
FICO Q2 FY26: Pricing Power Meets Mortgage Recovery
Credit scoring, software flywheel, moat durability, and valuation pressure.
Browse all English equity research ->
System
Trading System SOP
Execution begins only after the business, volatility, and risk boundary are clear.
Options / Screening
The Options Seller's Four-Filter System
Institutional flow, economic moat, IV Rank, and technical setup in one operating checklist.
Options / Risk
10 Mistakes Every Options Seller Makes
The tactical errors beginners make after they learn the basics, plus the strategic market-trend backdrop.
Options / Self-Assessment
Is Options Selling Right for You?
A temperament, capital, time, and risk-tolerance checklist before choosing the seller path.
Risk / Exit
Roll or Exit? The Stop-Loss Framework
A three-question decision model for the highest-emotion moments in options selling.
Income / Strategy Map
Bull Put Spread and Covered Call Income Strategy
How defined-risk spreads and stock-backed calls fit into a repeatable premium-selling playbook.
Market Structure
Why the System Works Better in U.S. Options
Liquidity, expirations, contract depth, and market structure differences that matter to sellers.
Mindset / Philosophy
Why I Chose the Options Sell Side
The long-term mindset behind taking the side of probability, discipline, and process.
Execution / IBKR
Your First Bull Put Spread on IBKR
The practical bridge from beginner knowledge to a small, defined-risk simulated trade.
Browse trading system articles ->
Context
Macro, AI, and Portfolio Thinking
The larger map around company research: cycles, supply chains, capital allocation, and risk.
AI Infrastructure
AI Compute Wars: The ROI Verification Phase
Six checkpoints for separating durable AI demand from narrative-driven capex.
Risk Management
Choosing the Right Market Is Risk Management's First Move
Market selection, liquidity, and structural risk before any security-level decision.
Cash Flow Portfolio
SPYI + QQQI: Can a 2x Cash-Flow Flywheel Work?
Covered-call ETFs, compounding math, and the trade-off between yield and upside.
AI Research Workflow
AI Investment Map: 4 Layers x 20 Stocks
A structured map for judging AI-theme stocks by infrastructure layer and investable evidence.
Browse AI investing articles ->
PVL
Shiba the Disciplined
MBA / CFA Level II / Former exchange professional / Founder, ProfitVision LAB

ProfitVision LAB is not a signal room. It is a research lab built from real capital, real mistakes, and a belief that independent investors deserve frameworks they can test, adapt, and own. The Chinese Start Here page is the full content map; the About page explains the story and worldview. This English page is the navigation gateway.

Read the founder story and investing worldview ->
Copyright Notice

All content on this site is original work of ProfitVision LAB, protected by copyright. Personal learning use is welcome. Commercial reproduction requires written permission. CANSLIM is a registered trademark of IBD. SEPA is a proprietary methodology of Mark Minervini.

Investment Risk Disclaimer

All content is for research and educational purposes only and does not constitute investment advice. Stocks, options, and other financial instruments involve risk. Please exercise independent judgment and accept full responsibility for your decisions.