About SIA Engineering Company Limited (S59)
SIA Engineering Company Limited is a Airports & Air Services company operating in the Industrials sector.
S59 trades on the Singapore Exchange (SGX) and is classified as a large-cap stock .
Key Statistics
- Current Price
- $2.95
- Market Cap
- $3.30B
- 52-Week High
- $3.81
- 52-Week Low
- $2.86
- Sector
- Industrials
- Industry
- Airports & Air Services
$1,000 Invested in SIA Engineering Company Limited (S59)
How much would $1,000 invested in S59 be worth today?
What would $1,000 invested in S59 1 year ago be worth today?
A $1,000 investment in SIA Engineering Company Limited (S59) in 2025 would be worth $864 as of November 2026, representing a -13.6% total return.
What would $1,000 invested in S59 3 years ago be worth today?
A $1,000 investment in SIA Engineering Company Limited (S59) in 2023 would be worth $1,420 as of November 2026, representing a +42.0% total return.
What would $1,000 invested in S59 5 years ago be worth today?
A $1,000 investment in SIA Engineering Company Limited (S59) in 2021 would be worth $1,532 as of November 2026, representing a +53.2% total return.
What would $1,000 invested in S59 10 years ago be worth today?
A $1,000 investment in SIA Engineering Company Limited (S59) in 2016 would be worth $1,062 as of November 2026, representing a +6.2% total return.
What would $1,000 invested in S59 at IPO be worth today?
A $1,000 investment in SIA Engineering Company Limited (S59) at IPO would be worth $5,033 as of November 2026, representing a +403.3% total return.
Monthly Returns Heatmap
Over the past 26+ years (317 months), SIA Engineering Company Limited (S59) has averaged a monthly return of +0.74% with a median return of +0.20%. The stock had 159 positive months (50%) and 146 negative months (46%). The best month in S59's history was January 2002 with a +37.7% return, while the worst was March 2020 at -29.9%. Historically, June tends to be the strongest month (averaging +3.1%), and August the weakest (-2.0%).
S59's longest winning streak was 9 consecutive months of gains, while its longest losing streak was 7 consecutive months of losses. The best full year was 2009 with a cumulative return of +64.2%, and the worst was 2008 at -64.5%.
Annual Returns
Over 26 years of trading history, SIA Engineering Company Limited (S59) has delivered an average annual return of +11.45% with a median return of +6.98%. The compound annual growth rate (CAGR) is +7.41%. The stock posted gains in 17 years (65%) and losses in 9 years (35%).
S59's best year was 2009 with a +77.27% gain, while the worst was 2008 at -51.99%. The longest streak of consecutive positive years was 7, and the longest losing streak was 5 years. S59 achieved double-digit gains (10%+) in 12 years. It suffered double-digit losses in 6 years.
| Year | Return | Start | End |
|---|---|---|---|
| 2026 | -15.83% | $3.50 | $2.95 |
| 2025 | +56.24% | $2.24 | $3.50 |
| 2024 | +3.41% | $2.17 | $2.24 |
| 2023 | +4.48% | $2.08 | $2.17 |
| 2022 | +7.34% | $1.93 | $2.08 |
| 2021 | +10.66% | $1.75 | $1.93 |
| 2020 | -28.34% | $2.44 | $1.75 |
| 2019 | +29.31% | $1.89 | $2.44 |
| 2018 | -24.56% | $2.50 | $1.89 |
| 2017 | -2.61% | $2.57 | $2.50 |
| 2016 | -5.86% | $2.73 | $2.57 |
| 2015 | -8.96% | $3.00 | $2.73 |
| 2014 | -12.34% | $3.42 | $3.00 |
| 2013 | +20.40% | $2.84 | $3.42 |
| 2012 | +34.94% | $2.10 | $2.84 |
| 2011 | -12.81% | $2.41 | $2.10 |
| 2010 | +32.06% | $1.83 | $2.41 |
| 2009 | +77.27% | $1.03 | $1.83 |
| 2008 | -51.99% | $2.15 | $1.03 |
| 2007 | +6.62% | $2.01 | $2.15 |
| 2006 | +71.33% | $1.18 | $2.01 |
| 2005 | +26.19% | $0.93 | $1.18 |
| 2004 | +33.50% | $0.70 | $0.93 |
| 2003 | +22.52% | $0.57 | $0.70 |
| 2002 | +24.52% | $0.46 | $0.57 |
| 2001 | +0.21% | $0.46 | $0.46 |
Frequently Asked Questions: S59
What sector is S59 in? ▼
S59 operates in the Industrials sector, specifically in the Airports & Air Services industry.
How has S59 performed historically? ▼
Over 26 years of trading history, S59 has posted gains in 17 years (65% of the time). The best year was 2009 with a +77.3% return. Past performance does not guarantee future results.
How can I invest in S59? ▼
You can invest in S59 through any brokerage account that offers access to the Singapore Exchange (SGX). Popular options include commission-free brokers like Fidelity, Charles Schwab, or Robinhood (US), or international brokers like Interactive Brokers. You can buy individual shares or invest through ETFs that hold S59.
Last updated: 11/1/2026