📖 5 min read
Three Singapore equity ETFs track the STI index and trade on SGX: SPDR STI ETF (ES3), Nikko AM/Amova STI ETF (G3B), and smaller alternatives. The STI ETF share price fluctuates based on the underlying Straits Times Index — comprised of 30 large-cap Singapore companies like DBS, Singtel, and CapLand Ascott Trust. The SPDR STI ETF (ES3) is the most popular, with the lowest expense ratio (0.28%) and highest trading volume. If you own Singapore’s blue chips via an ETF, tracking the daily price helps you monitor your portfolio’s real-time value and catch dividend distributions.

Not financial advice. All figures are for educational reference only. Data as at June 2026 unless noted.

TL;DR:

  • ES3 (SPDR STI ETF) is the cheapest and most liquid STI ETF at 0.28% TER
  • G3B (Nikko AM/Amova STI ETF) offers a similar experience with 0.30% TER but lower volume
  • STI ETF prices track the underlying STI index; check SGX for real-time quotes
  • Track prices via SGX, Nikko AM’s website, or your broker’s app
  • Dividend yields range from 3.2–3.5% annually across all three ETFs

1. What Is an STI ETF? (Why You Should Care)

An STI ETF is a fund that tracks Singapore’s top 30 blue-chip companies — the Straits Times Index. Instead of buying all 30 stocks individually (expensive and time-consuming), you buy one ETF unit that gives you exposure to the entire index.

The three main STI ETFs listed on SGX are:

  • SPDR STI ETF (ES3) — most popular, 0.28% TER
  • Nikko AM/Amova STI ETF (G3B) — 0.30% TER, less liquidity
  • AMOVA STI ETF (AYST) — smallest, rarely traded

Why track the STI ETF price? The share price tells you the current market value of your holding. When the STI index rises, the ETF price rises — and vice versa. Tracking price is how you monitor your portfolio on any given day.

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This article was researched with the help of AI. While we strive to keep all information accurate and up to date, there may be errors. If you notice any discrepancies, please contact us.