What Is the Share Market? A Complete Beginner's Guide
The share market gives ordinary people a way to earn returns without actively working for that money — instead, their capital works on their behalf.
Many are drawn to it by the promise of high returns that have turned everyday investors into millionaires over time. Just as many are wary of its downside, having watched others lose significant sums. Every day, thousands of new investors enter the market and begin their investing journey.
This guide covers everything you need to know about the share market from an investor's perspective. Jump to any section below:
- What is the share market?
- How was it formed? (A brief history)
- How does it work today?
- Is it risky? Should you invest?
- How do you start investing? (Demat and trading accounts)
- How do you avoid losses, and where can you learn more?
- Bonus: Stocks vs. shares, and the definition of "securities"
What Is the Share Market?
Just as a regular market is a place where people buy and sell goods, the share market is a market for shares — a place where people buy and sell ownership stakes in companies. More broadly, it's where investors exchange securities among themselves.
How Was the Share Market Formed?
The modern share market traces back to the Dutch East India Company, founded in 1602 in the Netherlands — widely credited as the first company to issue stock to the public.
In the early 1600s, sea trade was the primary way to access valuable goods and new markets, but voyages were extremely expensive, and no single individual had the capital to fund one alone.
The solution: raise money from the public. Anyone who contributed capital became a shareholder, entitled to a portion of the profits from the voyage. This was the basic deal.
But there was a catch — funding a single ship was risky. Ships were lost to storms, piracy, or simple bad luck, and investors risked losing everything.
The fix was diversification: rather than funding one ship, investors spread their money across multiple voyages, so that the failure of any single one wouldn't wipe them out. It's the same principle behind the now-familiar phrase "don't put all your eggs in one basket."
This approach caught on, capital-raising through public investment spread across companies, and the Dutch East India Company became immensely wealthy and powerful as a result. This is how the concept of the share market first took shape — and today, it plays a vital role in nearly every country's economy.
How Does the Share Market Work Today?
It starts with a company that needs funding to expand its business.
The company first seeks approval from the regulator of the capital market in its country — a statutory body responsible for overseeing the securities market and protecting investors from fraud. This regulator has the authority to examine any business or industry within its jurisdiction, and no stock exchange will list a company without its approval.
Every country has its own version of this regulator. For example:
- The SEC (U.S. Securities and Exchange Commission) regulates the U.S. financial markets.
- SEBI (Securities and Exchange Board of India) regulates the Indian stock market.
(If you want to find your own country's regulator, a quick search — "who regulates the capital market in [country]" — will get you there.)
To gain approval, a company must file a DRHP/RHP (Draft Red Herring Prospectus / Red Herring Prospectus) — a detailed disclosure document covering the company's financials, leadership, debt, and the specifics of the upcoming offering.
→ Related: What Is a DRHP/RHP?(#3)
The regulator reviews this document and decides whether the company is eligible to be listed. Depending on the regulator and jurisdiction, this approval process can take anywhere from a couple of months to a couple of years.
Once approved, the company approaches a stock exchange — the intermediary where investor money meets company shares, and where all trading actually happens. Each exchange has its own listing requirements.
Once listed, the company issues its IPO (Initial Public Offering) — the first time its shares are made available to the public.
(How exactly a company's share price is determined is a topic on its own — more on that in a future article.)
Once all shares on offer are sold, the company becomes a listed company, and — notably — it has no obligation to repay the capital it raised. The shares now trade freely among investors. This is a big part of why the share market is such an attractive option for startups looking to raise growth capital: it's non-repayable funding, in exchange for equity.
A listed company can also issue additional shares later (with regulatory approval), and if it performs well over time, it may eventually be included in that exchange's index — a number that tracks the average performance of a basket of leading companies and indicates whether the market is up or down on a given day.
So, at a high level, the market runs on:
- Companies/businesses
- The regulator of the capital market
- Stock exchanges (and the indexes within them)
- Investors
Along the way, we've also touched on IPOs, DRHPs, and — coming up next — Depository Participants (DPs), who make it possible to invest without ever stepping onto a physical trading floor.
Is the Share Market Risky? Should You Invest?
The share market (also called the stock market or equity market) does carry risk — but so does almost everything, including cooking and driving. Knowing what you're doing reduces that risk substantially. The same applies here: the right knowledge meaningfully lowers your chances of losing money.
Disclaimer: this is general information, not a recommendation of any specific stock or share. Any investment decision, and its outcome, is your own responsibility.
Consider a young investor — say, between 20 and 35. At this stage of life, there's typically more room to take on risk, since financial responsibilities tend to be lower. That said, it's generally wise to invest only money you don't need in the near term, since investing funds you can't afford to lose tends to create unnecessary stress.
Money sitting idle in a savings account earns comparatively little. Investing gives that same money the chance to grow more meaningfully over time — provided it's backed by research and a reasonable time horizon.
→ Related: Long Term vs. Short Term Investments(#7)
Advantages of investing: The most obvious one is the potential to grow your money. If you're earning a salary and setting aside a portion in savings each month, that surplus can be put to work rather than sitting idle — provided you're willing to do the legwork of research and stay invested for the right amount of time.
Disadvantages: The main risk is losing money due to a lack of knowledge or research — but this is also the most addressable risk, since it's solved by learning more before you invest (more on where to do that below).
How Do You Start Investing or Trading Today?
Trading no longer requires physical presence at a stock exchange. Shares today exist digitally rather than as physical certificates — a shift that eliminated older problems like lost, damaged, or stolen paper share certificates. (A physical trading floor still exists in places like the NYSE, but the overwhelming majority of trading today happens electronically.)
To participate, there's one more link in the chain beyond the regulator, the company, the exchange, and the index: the Depository Participant (DP) — typically a bank or brokerage, most commonly accessed today through a trading app.
What you need to start trading:
- A savings account
- A demat account (where your shares are held digitally)
- A trading account (through which trades are executed)
These three are linked: money moves through your savings account, shares are held in your demat account, and trades are executed through your trading account. DPs typically charge a small commission for this service.
How Do You Avoid Losses? Where Can You Learn More?
As covered above, the biggest lever you have is knowledge — the better you understand a company and the market around it, the lower your risk of an avoidable loss.
Beyond this blog, YouTube and other financial publications are useful supplementary resources for building that knowledge base over time.
Bonus: Stocks vs. Shares, and What Are "Securities"?
Stocks vs. shares: These terms are often used interchangeably, but there's a subtle distinction. A share refers to a single unit of ownership in one company. Stock refers more broadly to a holding — often used when referring to a collection of shares, sometimes across multiple companies.
Securities: Securities are financial instruments that represent a claim on an asset — most commonly in the form of shares, but the term also covers bonds and other instruments.
Recap
We've covered what the share market is, the major players that make it run (companies, regulators, exchanges, indexes, DPs, and investors), why and how to start investing, and the distinction between stocks, shares, and securities.
There's plenty more to explore beyond this — including intraday and delivery trading(#5), futures and options(#8)(#10), commodity investments(#9), currency/forex markets(#12), and derivatives(#11), along with the distinction between primary and secondary markets(#6).
The share market rewards continuous learning — there's always more to know.
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