How Fortress Thinks
Everything the Fortress engine does, explained for both an 18-year-old investing for the first time and a seasoned analyst who wants the formulas.
What does MB Score mean?
MB Score = Multi-Bagger Score. Our proprietary algorithm scores each stock's potential for 2x–10x returns using 6 fundamental gates. A score of 80+ means all conditions for explosive long-term growth are structurally aligned. You'll see this score on every stock card — hover the MB icon anywhere for a quick reminder.
What is Fortress Intelligence?
Imagine you want to buy a phone but you don't know which one is actually good vs which one just has a nice ad. Fortress is like having a very experienced engineer friend who looks inside every phone and tells you honestly — this one is built to last, this one will break in 6 months.
Instead of phones, we do this for companies listed on the stock market. We run every company through a 6-layer quality engine, give them a score out of 100, and flag the ones that actually deserve your attention — not the ones with the loudest news.
Not a tip service
We never say 'BUY THIS NOW'. We explain WHY a company passed our quality checks.
Education first
Every stock in our list comes with a plain-English explanation you can actually understand.
Honest filters
Our scoring is automatic and rules-based. No one gets paid to promote a stock.
The 6-Layer Scoring Engine v2
Every company we scan gets put through 6 questions. Each question is worth points. A company needs at least 60 out of 100 to even show up on our radar. Click each layer to see what we're actually checking.
The analogy
Think of it like checking if someone has savings and no credit card debt before lending them money — AND checking whether their debt is going up or coming down every year.
What we actually check
- Does the company owe more than it earns? (Debt check)
- Does it actually generate real cash, not just accounting profit?
- Is it earning a good return on the money invested in it?
- What percentage of its profit actually becomes real cash in hand?
- Is the company's debt growing or shrinking year-on-year? (3-year direction)
PASSES this layer
Asian Paints, Pidilite — zero or very low debt, consistent cash generation, debt falling every year.
FAILS this layer
A real estate developer with 5x debt-to-equity, negative cash flow, and debt rising for 3 years.
Multi-Bagger Score
What is a multi-bagger?
A multi-bagger is a stock that multiplies your money — 2x is a double-bagger, 10x is a ten-bagger. The term comes from Peter Lynch (the most successful fund manager in history). Multi-baggers don't happen by accident — they have a specific structure.
The 5-Layer engine tells you if a company is safe. The Multi-Bagger Score asks a different question: does this company have the structure to multiply your money? A company can be safe but not a multi-bagger. The best stocks pass both.
Rocket
80–100 pts
Launcher
60–79 pts
Builder
40–59 pts
Crawler
20–39 pts
Grounded
0–19 pts
The 5 Components
How much room does the company still have to grow? We compare its size today to the total size of its entire market. A company that's captured only 0.1% of its market has 99.9% of the road ahead of it.
Why this is separate from the safety score
A company can be financially very safe but still be a boring, slow-growing business. Think of a utility company — safe as a bank, but it won't 10x your money. The Multi-Bagger Score checks for explosive growth potential separately from financial safety.
Megatrend Tags
What is a megatrend?
A megatrend is a massive, multi-decade shift that reshapes entire industries — like the internet in the 90s, or smartphones in the 2000s. Investing in companies riding a megatrend is like surfing: even average swimmers look great on a big wave.
Fortress automatically assigns every stock a megatrend tag using the company's business description and industry. No manual work — the engine reads what the company does and classifies it. Click any megatrend below to understand what it is and why it matters.
India is replacing imported weapons with locally made ones. This is a 10-year policy shift — defence budgets never get cut.
The GEM Score System
The 5-layer engine tells you if a company is financially safe. The GEM Score asks a different question: is this a hidden opportunity — something genuinely good that the market hasn't noticed yet? It scores 0–100 across 4 criteria and assigns a tier (Diamond down to Quartz).
Diamond
80–100 pts
A company that is genuinely great, genuinely undervalued, AND showing early signs that others are starting to notice. These are rare. 2–5 per full scan.
Sapphire
60–79 pts
Very good. Missing one piece of the puzzle. Still worth serious research. Most reliable category for steady returns.
Emerald
40–59 pts
Interesting but needs a trigger — a specific event — before it becomes a buy. Put it on a watchlist.
Quartz
20–39 pts
Speculative. Only for money you are 100% okay losing. Like a small bet at a poker table.
The 4 Criteria
Is the stock cheaper than it should be? Not just in absolute terms, but compared to similar companies in the same industry.
Red flags that disqualify this criterion
- PE low due to one-time gain
- EV/EBITDA low because of high debt masking real leverage
Market Weather — The Macro Context
Think of this as a weather forecast for your money
Just like you'd dress differently on a rainy vs sunny day — you should invest differently depending on what the economy is doing. This section tells you what the economy weather looks like right now.
Banks are charging a lot for loans right now. Companies drowning in debt are struggling. Companies with no debt are fine — or even benefiting.
Prices were rising fast. Now slowing down. This means everyday companies (FMCG, consumer goods) can stabilise their cost base.
The US dollar is powerful right now. Indian IT companies (paid in USD) are winning. Indian companies paying for imports in USD are struggling.
The economy has been growing for a long time. Smart money is moving to safer, essential companies (defence, healthcare). Avoid expensive growth stocks.
India's central bank (RBI) is holding steady. Indian banks are stable. India's economy is growing faster than most of the world.
Countries are charging each other more for imports (tariffs). Bad for companies selling to the US, but GOOD for Indian factories that global companies choose over China.
Sector Traffic Lights
Defence & Aerospace
Government always buys — budgets never stop. India replacing imports with local production.
Healthcare & Pharma
People always need medicine. Indian pharma sells to the whole world at low cost.
Indian Manufacturers (China+1)
Global companies moving factories from China to India. This is a 10-year shift.
Large IT Services
Good companies, but US clients may cut tech budgets. USD is helping, US slowdown may hurt.
Banks & Financials
Stable but not exciting. Get more interesting when RBI cuts rates.
Real Estate (high-debt builders)
Expensive borrowing is killing companies with big loans. Avoid builders with lots of debt.
Luxury / Premium Consumer
Late-stage economy = people are more careful with money. Luxury is the first cut.
What Fortress Does NOT Do
We do not predict prices
No one can tell you a stock will hit ₹500 by December. Anyone who does is guessing or selling you something.
We are not SEBI-registered advisors
Everything on Fortress is educational. It is not personalised investment advice. Always make your own decision.
We do not tell you when to sell
Entry is a science. Exit is personal. We give you the thesis — you decide when your thesis is broken.
We do not guarantee returns
Every investment has risk. Our scores tell you about quality — not about what the market will do next week.
We do not use tips or insider information
Every score is derived from publicly available financial data via yfinance and NSE disclosures.
We do not promote any stock
No promoter, company, or broker pays us to list their stock. Our scoring is fully automated and rules-based.
Key Terms Explained
How much has the company borrowed compared to what it actually owns. D/E of 0.5 means for every ₹1 of owned assets, it borrowed ₹0.50. Lower is safer.
Return on Capital Employed. If a company invested ₹100 crore and earned ₹20 crore profit, ROCE = 20%. Think of it as how efficiently they use every rupee.
The real money left over after running the business AND paying for all maintenance and growth. This is what the company can actually use to pay you dividends, buy back shares, or grow further.
Price-to-Earnings relative to how fast the company is growing. A stock at P/E 30 growing 35% (PEG 0.86) is CHEAPER than a stock at P/E 15 growing 5% (PEG 3.0).
On every ₹100 of sales, how much is left after paying for the product itself. A company with 60% gross margin earns ₹60 before paying staff, rent, or taxes.
What percentage of the company the founders/original owners still own. High promoter holding (> 50%) means they have skin in the game — they win or lose with you. This is now a core part of L5 scoring.
When a promoter borrows money and uses their shares as collateral. High pledging (> 30%) means if the stock falls, they're forced to sell — which pushes the price even lower.
Are the profits real? Some companies show profit on paper but never actually generate cash. Earnings Quality checks if the profit becomes real money in the bank.
When big fund managers and analysts haven't discovered a stock yet. When they finally do, they all buy at once — and if you're already in, you benefit from that rush.
When a company is doing great business but the stock price hasn't moved yet. The business is running fast but the stock is standing still — that gap is the opportunity.
A big economic force that helps a company without them doing anything special. Like how all Indian defence companies benefit when the government increases the defence budget.
Buying great companies and holding them for 10+ years without touching them — like putting a stock certificate in a coffee can and forgetting about it. Popularised by Saurabh Mukherjea.
Fortress's main discovery score (0–100) for finding hidden opportunities. Four criteria: Is it cheap? Is it ignored by big funds? Is the business healthy? Is the price about to catch up?
A rule you set before buying: 'If this stock falls 15%, I sell automatically, no questions asked.' It protects you from turning a small mistake into a disaster.
What percentage of the company's market value it generates in free cash every year. FCF Yield of 6% means for every ₹100 you invest, the company generates ₹6 of real cash annually.
A way to compare how expensive a company is vs how much money it actually makes from its core business. Cheaper than P/E because it removes the effect of debt and taxes.
A share of the company's profits paid directly to you as a shareholder in cash. If you own 100 shares and the dividend is ₹5/share, ₹500 lands in your account — no selling required. Think of it as the company paying you rent for owning it.
The company gives you free extra shares. If you have 100 shares and it announces a 1:1 bonus, you now have 200 shares. The price halves automatically — so your total value is the same. But it signals that management believes the stock is worth more.
One share becomes multiple shares. A 2:1 split means your 1 share becomes 2, but the price halves. Like breaking a ₹100 note into two ₹50 notes — same value, more accessible.
A stock that multiplies your money — 2x is a double-bagger (2 bags of money from 1), 10x is a ten-bagger. The term was coined by Peter Lynch, who turned the Fidelity Magellan Fund into the best-performing fund in history by finding these early.
A massive, decades-long shift that reshapes entire industries. The internet was a megatrend. EVs are a megatrend. India's defence indigenisation is a megatrend. Companies riding a megatrend get market tailwind even if they're average businesses.
Is the company's debt going up or coming down over the last 3 years? A company whose debt is falling every year is getting healthier — that change in direction often triggers a re-rating (the stock price catches up to the improving reality).