[Compound Interest Simulation] Eliminating the anxiety of not knowing your future wealth: A new tool to instantly visualize asset growth for NISA and recurring investments

PhoenixConnect has released a compound interest simulation tool to help investors visualize their future financial growth.
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  • 📰 Published: March 29, 2026 at 21:14

PhoenixConnect Co., Ltd. (Representative: Yasuyuki Takiuchi) has released a [Compound Interest Simulation] tool designed to help individual investors visualize their future assets.
This asset planning support tool allows users to input their initial capital, monthly investment amount, expected yield, and compounding frequency to instantly generate a graph showing projected asset growth. It is designed for a wide range of users, from investment beginners to intermediate investors utilizing NISA or mutual funds for long-term recurring investments. By replacing vague uncertainty with concrete numbers, the tool supports asset formation based on structure rather than intuition.

[Compound Interest Simulation] An asset growth tool that structurally visualizes yields, recurring investments, and the power of compounding.

■ The contradiction of investing without a clear future

You started a NISA.
You are diligently investing every month.

Yet, you suddenly feel anxious:
"Will this really be enough?"

The concern shared by many individual investors is not about the investment products themselves.

The problem is that they have not confirmed what their assets will actually grow to in the future.

You are continuing to build assets, but you have never seen the future numbers. This is the root of your anxiety.

■ Moving beyond "vague investing"

Recurring investment is a highly effective long-term strategy. However, continuing without checking your goals or destination is like running a marathon without a finish line.

・Will I have enough for retirement?
・Can I cover education expenses?
・Is my current investment amount appropriate?

Can you answer these questions with numbers, rather than just feelings?

■ Visualizing the future with the Compound Interest Simulation

The [Compound Interest Simulation] instantly calculates and visualizes your future asset trajectory in a graph.

The input fields are simple:

・Initial capital
・Monthly investment amount
・Expected yield
・Compounding frequency (Daily/Weekly/Monthly/Yearly)

Just press "Calculate" to see your future asset growth curve.

There is no need to understand complex mathematical formulas. All you need are your own numbers.

■ Do you truly "feel" the power of compound interest?

Compound interest accelerates over time, but that acceleration is difficult to perceive in the early stages.

That is why many feel like their money "isn't really growing."

With this simulation, you can visually confirm exactly when the growth of your assets begins to shift, helping you stay focused and less swayed by short-term market fluctuations.

■ What is the "correct" investment amount?

"Is 30,000 yen per month enough?"
There is no general answer to this question.

The correct answer depends on your target amount and time horizon.

By using the Compound Interest Simulation, you can compare different future scenarios by adjusting your monthly investment amount:

・If you invest 10,000 yen
・If you invest 30,000 yen
・If you invest 50,000 yen

By viewing the results for each, you can discover the "optimal solution" for your personal situation.

■ Verifying the reality of your yields