The Rise of the Indonesian Stock Exchange

IDX30 vs. LQ45: Which Index Suits Your Investment Strategy in Indonesia?

Indonesia’s capital market offers investors multiple indices to guide portfolio decisions. Among the most prominent are the IDX30 and LQ45 indices, each comprising top-performing stocks listed on the Indonesia Stock Exchange (IDX). While both serve as useful benchmarks, they differ in composition, liquidity, and investment strategy alignment.

This article explores the core differences, benefits, and strategic considerations for choosing between IDX30 and LQ45 to help investors make informed decisions.


🔍 What Are IDX30 and LQ45?

LQ45 Index:

Launched in 1997, the LQ45 Index consists of 45 stocks selected based on:

  • Market capitalization

  • Trading liquidity

  • Fundamental financial health

It represents the top 45 most liquid and fundamentally strong stocks on the IDX, and is rebalanced twice a year (in February and August).
Reference: IDX LQ45 Official Page

IDX30 Index:

Introduced in 2004, the IDX30 Index is a subset of the LQ45, consisting of 30 stocks with the highest liquidity and market capitalization.

This index reflects the most traded and stable stocks and serves as a more focused benchmark for high-liquidity blue-chip companies.
Reference: IDX IDX30 Official Page


📊 Key Differences Between IDX30 and LQ45

Criteria LQ45 IDX30
Number of Stocks 45 30
Focus Liquidity + Fundamentals Highest liquidity + Cap size
Volatility Moderately lower Slightly higher due to focus
Sectoral Exposure More diverse More concentrated
Launch Year 1997 2004
Rebalancing Period Semi-annual Semi-annual

🧩 Choosing the Right Index for Your Strategy

✅ Choose LQ45 if you:

  1. Prefer Diversification:
    With 45 stocks across more sectors, LQ45 helps reduce risk through greater diversification.

  2. Adopt a Long-Term Strategy:
    Since stocks in LQ45 are chosen for fundamentals, long-term investors may find greater stability.

  3. Want a Broader Market Snapshot:
    LQ45 represents a more comprehensive view of the IDX’s performance, useful for macro analysis.

  4. Use it for Benchmarking Mutual Funds:
    Many Indonesian mutual funds, including reksadana saham, benchmark against the LQ45 index.

    Read more on reksadana in Indonesia

✅ Choose IDX30 if you:

  1. Focus on High Liquidity and Fast Execution:
    Day traders or institutional investors prioritizing execution efficiency benefit from IDX30 stocks.

  2. Run Quantitative or High-Frequency Strategies:
    Its focus on volume and liquidity makes IDX30 ideal for technical, algorithmic, or quant strategies.

  3. Aim for Lower Tracking Error with ETFs:
    Exchange-traded funds (ETFs) like XPDV or XIIT often mirror IDX30, offering an easy access point.

    Check ETF listings on IDX


📈 Performance Comparison

As of Q1 2025, both indices have shown positive year-to-date performance, reflecting Indonesia’s post-pandemic economic recovery.

Index YTD Return (approx.) Top 3 Sectors Top Holdings
IDX30 +6.7% Finance, Telecom, Consumer BBRI, BBCA, TLKM
LQ45 +5.9% Finance, Energy, Consumer BBCA, ASII, BBNI

Performance may vary depending on global market conditions and local policy shifts.

Track live index data on Bloomberg: IDX30 and LQ45


📌 Real-World Investor Use Cases

💼 Institutional Investors:

Prefer IDX30 for portfolio allocation due to ease of execution, narrow focus, and ETF availability.

🧓 Retail Long-Term Investors:

Choose LQ45 to get broader exposure with relatively safer fundamentals.

📊 Portfolio Managers:

Use both indices together—LQ45 as a strategic benchmark, and IDX30 for tactical allocation in volatile times.

Inilah Daftar Lengkap Saham-saham LQ45 Periode 1 November 2024 - 31 Januari  2025, GGRM dan HRUM Ditendang, Diganti AMDR dan SMRA – EduFulus - The Path  To Financial Freedom


📉 Risks and Considerations

  • Sector Concentration: IDX30 is more prone to being skewed by a few large companies in finance and telecom.

  • Liquidity Gaps in LQ45: While LQ45 is generally liquid, the bottom-tier stocks may experience occasional low volume.

  • Volatility: Both indices can be affected by macroeconomic events such as rupiah depreciation or interest rate hikes.


🧠 Conclusion: Which One Is Right for You?

Choosing between IDX30 and LQ45 depends on your risk tolerance, investment horizon, and trading strategy:

Investor Type Suggested Index
Short-term trader IDX30
ETF investor IDX30
Conservative investor LQ45
Diversified growth LQ45
Quant trader IDX30

Ultimately, you can use both indices together—as core and satellite allocations—to build a flexible portfolio.

🔗 Useful Resources

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