Jakarta. Jakarta Composite Index (JCI) rose 49 points, or 0.87%, to close at 5,744 on Thursday, supported by easing global oil prices, optimism over US-Iran peace talks, and expectations that lower energy costs could ease inflationary pressures.

Data from RTI showed 20.5 billion shares changed hands, with total turnover reaching Rp 11.14 trillion ($618.64 million) across more than 1.5 million transactions. Gainers outnumbered losers, with 395 stocks advancing, 219 declining, and 169 unchanged.

Pilarmas Investindo Sekuritas said both external and domestic factors drove the market's gains.

Regionally, Asian markets were mixed as investors monitored developments in indirect negotiations between the United States and Iran in Qatar, as well as signals on the US Federal Reserve's interest rate path.

South Korea's Kospi tumbled 7.9% to 7,648, weighed down by semiconductor stocks. SK Hynix plunged 14.6%, while Samsung Electronics fell 9.1%.

Japan's Nikkei 225 lost 2.5% to 68,733, with chip equipment maker Tokyo Electron sliding 7.4%.

Hong Kong's Hang Seng rose 0.8% to 23,055 after Chinese electric vehicle maker BYD gained 8.1% on stronger monthly sales. Mainland China's Shanghai Composite, however, fell 2% to 4,028.

Oil prices continued to retreat toward pre-conflict levels as crude shipments through the Strait of Hormuz recovered, reflecting signs of progress in the US-Iran peace talks and easing concerns over potential supply disruptions. The decline in oil prices also helped reduce inflation concerns.

US President Donald Trump praised the progress achieved after the latest round of indirect negotiations.

On monetary policy, investors remained focused on the Fed's interest rate outlook. Pilarmas noted that markets continue to price in more than a 60% probability of a Fed rate hike in September.

"Markets continue to price in more than a 60% probability of a Fed rate hike in September," Pilarmas wrote.

The brokerage said investors remain cautious even after Fed Chair Kevin Warsh said inflation expectations had eased over the past month, suggesting there was no immediate urgency to raise rates, while reaffirming the central bank's commitment to restoring price stability.

Domestically, Pilarmas said lower global oil prices could reduce Indonesia's fiscal burden by lowering fuel subsidy costs and creating room for lower prices of non-subsidized fuels. "Lower energy commodity prices will contribute to greater efficiency in logistics, transportation, and the manufacturing sector," Pilarmas wrote.

Pilarmas added that easing inflationary pressures would give Bank Indonesia greater flexibility to maintain or lower its benchmark interest rate.

Overnight in the United States, technology shares remained under pressure. The S&P 500 slipped 0.2% to 7,483, the Dow Jones Industrial Average edged down less than 0.1% to 52,305, and the Nasdaq Composite fell 0.7% to 26,040.