Asian Markets Today on 17 August 2026 Trade Mixed With Hang Seng Up 1.42 Percent and Nikkei Flat as Investors Watch Oil Prices and Iran War Progress

The Asian markets today on 17 August 2026 are presenting a mixed picture that reflects the competing forces operating in global markets this Monday. Hong Kong's Hang Seng is the standout gainer at +1.42 percent to 25,473, recovering from last week's weakness. Jakarta's Composite is also strong at +1.56 percent. Japan's Nikkei 225, by contrast, is essentially unchanged at +0.01 percent to 68,721, and Singapore's Straits Times is declining -0.88 percent to 5,693.10.

The divergence within Asian markets today reflects sector and market-specific factors rather than a unified directional theme. The Hang Seng's gain may partly reflect bargain hunting after underperformance — Hong Kong stocks have been under pressure from China's economic slowdown concerns throughout 2026. Jakarta's strong performance reflects Indonesia's domestic demand story. The Asian markets today context for Indian investors is broadly neutral to mildly positive — the Hang Seng and Jakarta gains offset the Straits Times weakness.

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Asian Markets Today: Index Performance Table

Index	Country	LTP	Change %	Prev. Close
Nikkei 225	Japan	68,721.00	+0.01%	68,713.80
Straits Times	Singapore	5,693.10	-0.88%	5,743.59
Hang Seng	Hong Kong	25,473.00	+1.42%	25,116.85
Taiwan Weighted	Taiwan	45,831.87	+0.05%	45,811.01
KOSPI	South Korea	6,977.94	0.00%	6,977.94
Jakarta Composite	Indonesia	6,401.89	+1.56%	6,301.77

Asian Markets Today: What's Driving the Moves?

The Asian markets today are drifting sideways while investors keep a wary eye on oil prices, which notched sizeable gains last week as the lack of progress toward ending the Iran war kept inflation risks tilted to the upside. Brent crude is at $89.20 on 17 August, up from $87.16 last Thursday. This elevated oil price backdrop is creating caution in Asian markets today, particularly for energy-importing economies. The Straits Times, representing Singapore's finance and services-heavy market, is more sensitive to global trade and interest rate expectations, explaining its underperformance in Asian markets today.

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Conclusion

The Asian markets today on 17 August 2026 are mixed: Hang Seng +1.42%, Jakarta +1.56%, Nikkei +0.01%, while Straits Times -0.88% and KOSPI flat. Oil prices at $89.20 and Iran war developments are the key watched variables. For Indian markets, the Asian markets today signal is broadly neutral. Consult a SEBI-registered financial advisor before investing.

Frequently Asked Questions

How are Asian markets today performing on 17 August 2026?

Ans. The Asian markets today on 17 August 2026 are mixed: Hang Seng +1.42% to 25,473, Jakarta +1.56% to 6,401.89, Nikkei +0.01% to 68,721, Taiwan +0.05%, while Straits Times is down -0.88% to 5,693.10 and KOSPI is flat at 6,977.94.

What is the Hang Seng level in Asian markets today today?

Ans. The Hang Seng in Hong Kong is up 1.42 percent to 25,473 in The Asian indices today on 17 August 2026, gaining 356.15 points from its previous close of 25,116.85. The Hang Seng's gain is the strongest among Regional markets today today.

Why is the Straits Times falling in Asian equities today?

Ans. The Straits Times in Singapore is declining 0.88 percent to 5,693.10 in The region's markets today. Singapore's finance and services-heavy market is more sensitive to global trade, interest rate expectations, and dollar movements than commodity or manufacturing-oriented markets. Oil at $89.20 and Iran war concerns may be affecting Singapore's financial sector stocks in The Asian index data today.

What is watching from The Asian indices data for Indian markets?

Ans. From Regional markets today today, the mixed but broadly neutral signal — Hang Seng and Jakarta gaining, Nikkei flat, Straits Times declining — provides no strong directional cue for Indian markets. The key global variables that Asian equities are watching are oil prices ($89.20 for Brent) and progress (or lack thereof) in Iran war peace negotiations.

What is the KOSPI doing in The region's markets today?

Ans. The KOSPI in South Korea is flat at 6,977.94 in The Asian index data today, with no change from its previous close. The KOSPI's lack of movement on 17 August is partly a data timing issue — the latest KOSPI data in the The Asian indices shows the 14 August close at 6,977.94.

How do Regional markets today affect Indian equity sentiment?

Ans. Positive Asian equities improve Indian market sentiment by signalling broad Asia-Pacific risk appetite. Negative The region's markets can create selling pressure as investors reduce emerging market allocations broadly. Today's mixed The Asian index data — with gains in Hang Seng but weakness in Straits Times — provides a broadly neutral signal for Indian markets on 17 August.

Where can I track The Asian indices live?

Ans. The Regional markets today can be tracked on financial data platforms that provide real-time Asian index feeds. NSE and BSE websites also show SGX Nifty futures data as a proxy for Indian market direction based on global cues from Asian equities. The Univest Screener tracks global market cues including The region's markets data.