How to Create Your Own Custom Smallcase

Creating a custom smallcase involves defining an investment theme, researching and selecting relevant stocks, and assigning weights to them on the platform. This allows you to build a personalized portfolio you directly own and control, tailored to your specific investment ideas.

TrustyBull Editorial 5 min read

First, What Is a Smallcase and Why Bother Creating One?

Before you build your own, you must understand what is a smallcase. Think of it as your personal basket of stocks or Exchange Traded Funds (ETFs). This basket is built around a specific idea, theme, or strategy. For example, you could have a smallcase focused on companies building electric vehicles or businesses benefiting from India's growing internet usage.

Unlike a mutual fund, where you own units of a fund, with a smallcase, you own the individual stocks directly in your demat account. This gives you complete transparency and control. You see exactly what you own. There is no fund manager; you are the fund manager.

Why create a custom one? While there are many ready-made smallcases available, building your own gives you the ultimate power. You can:

  • Invest in your unique ideas that no one else is offering.
  • Choose the exact companies you believe in.
  • Control the risk level by deciding how much to allocate to each stock.
  • Learn deeply about the companies you own.

Creating a custom smallcase turns you from a passive investor into an active, thoughtful portfolio creator.

Step-by-Step: How to Build Your Custom Smallcase

Building your own smallcase is a structured process. Follow these steps carefully to turn your investment idea into a reality. It requires research and a clear plan, but the platform makes the execution simple.

Step 1: Define Your Investment Idea or Theme

This is the most creative part. Your theme is the story that connects all the stocks in your basket. Don't just pick random stocks you like. Instead, think about long-term trends you believe in. What changes do you see happening in the world over the next 5-10 years?

Some examples of themes could be:

  • Rural Consumption: Companies that sell products and services to India's rural population.
  • Digital India: Businesses benefiting from increased internet and smartphone penetration.
  • Green Energy: Companies involved in solar, wind, and other renewable energy sources.
  • Make in India: Firms that are leaders in domestic manufacturing.

Write down your idea. Be specific. A clear theme makes the next step much easier.

Step 2: Research and Select Your Stocks

Once you have a theme, find companies that fit into it. This is the most research-intensive step. You need to identify quality businesses that are likely to benefit from your chosen trend. You can find company information on exchange websites like the National Stock Exchange (NSE).

Aim for a basket of 10 to 20 stocks. Fewer than 10 might be too concentrated, and more than 20 can be difficult to track. For each company, ask yourself:

  • Does it directly fit my theme?
  • Is it a leader in its industry?
  • Does it have strong financial health (low debt, good profits)?
  • Is its management team experienced and trustworthy?

Create a list of potential stocks. Then, narrow it down to the best ones.

Step 3: Assign Weights to Each Stock

Weighting simply means deciding how much of your total investment goes into each stock. You have a few options:

  • Equally Weighted: Each stock gets the same allocation. If you have 10 stocks, each gets 10% of the portfolio. This is the simplest method.
  • Market-Cap Weighted: Larger companies get a bigger allocation. This is how many index funds work.
  • Custom Weighted: You decide the weight for each stock based on your conviction. You might give a higher weight to a stock you feel is stronger or has more growth potential.

For beginners, starting with an equally weighted approach is often the easiest and most balanced strategy.

Step 4: Use the Smallcase Platform to Create It

Now for the easy part. Log into your brokerage account that is linked with smallcase. Find the section for creating a new smallcase.

  1. Add the stocks you selected in Step 2 from the search bar.
  2. Assign the weights you decided on in Step 3. The platform will show you the percentage allocation for each stock.
  3. The platform will automatically calculate the minimum investment amount. This is based on the share price of each stock to ensure you can buy at least one share of each company in your chosen proportion.

The technology handles all the complex calculations for you.

Step 5: Review, Name, and Invest

Before you put your money in, do a final check. Review the list of stocks, their weights, and the total investment amount. Make sure everything looks right.

Give your smallcase a memorable name. Something like "My EV Superstars" or "Digital India Growth Basket" makes it personal. Once you are satisfied, you can place the order. The platform will execute all the individual stock trades for you in a single click.

Common Mistakes to Avoid When Building Your Smallcase

Creating a personalized portfolio is exciting, but it's easy to make mistakes. Watch out for these common pitfalls:

  • Chasing Hype: Do not build a smallcase based on a news trend or a stock that is suddenly popular. Invest in solid, long-term themes, not short-term fads.
  • Over-Concentration: Even within a theme, diversification is key. Avoid putting 40% or 50% of your money into a single stock in your smallcase. It exposes you to too much company-specific risk.
  • Ignoring Fundamentals: A company might fit your theme perfectly, but if its finances are weak or it's making losses, it's a risky bet. Always check the financial health of a company before adding it.
  • Forgetting to Rebalance: Over time, some stocks will perform better than others, and your original weights will change. Rebalancing means buying or selling small amounts to bring your portfolio back to its target allocation. You should review your smallcase every quarter or half-year.

"Diversification is a protection against ignorance. It makes very little sense for those who know what they're doing." - Warren Buffett. While true for experts, most of us benefit greatly from spreading our risk.

Pro Tips for a Successful Custom Smallcase

Want to take your custom smallcase to the next level? Keep these expert tips in mind.

  • Start Small: You don't need to invest a large sum in your first custom smallcase. Start with a smaller amount you are comfortable with. This lets you test your idea and get used to the process without taking a huge risk.
  • Think in Decades, Not Days: Thematic investing is a long-term game. The trends you are investing in, like green energy or digital payments, will take years to fully play out. Be patient and avoid making decisions based on daily market movements.
  • Keep a Journal: For each stock you add, write down one or two sentences explaining *why* you chose it. This documentation is incredibly valuable when you review your portfolio later. It helps you make rational decisions about whether to keep or sell a stock.
  • Balance Your Bets: Consider including a mix of large, stable companies (large-caps) and smaller, high-growth companies (mid-caps) within your theme. This can give you a good balance of stability and potential for high returns.

Building your own smallcase is a powerful way to take control of your investments. It requires effort, but the reward is a portfolio that truly reflects your own research and beliefs.

Frequently Asked Questions

What is the minimum investment for a custom smallcase?
The minimum investment amount is determined automatically by the platform. It is calculated based on the share prices of the stocks you select and their assigned weights, ensuring you can buy at least one share of each company in the correct proportion.
Can I edit my custom smallcase after creating it?
Yes, you can edit your custom smallcase at any time. You can add or remove stocks, change their weights, and then rebalance your portfolio to apply the changes.
Is creating a custom smallcase free?
Creating the structure of a smallcase on the platform is free. However, when you invest, you will incur standard costs like brokerage fees from your stockbroker and statutory charges like STT and GST. Some brokers may have a flat fee for investing in smallcases.
How many stocks should I have in my custom smallcase?
A good range for a custom smallcase is between 10 and 20 stocks. This provides enough diversification to reduce company-specific risk without becoming too difficult to track and manage.