LONDON (AP) — The price of oil is unlikely to rise much further after rallying almost 90 percent since January, as the global market shows signs of stabilizing, the International Energy Agency said Tuesday.

The Paris-based agency, which advises the world's top oil consuming nations, nudged up its estimate for global oil demand this year in its monthly report. It noted, however, that supply and past inventories remain high.

"At halfway in 2016 the oil market looks to be balancing," said the IEA in its monthly market report.

After touching a 13-year low in January, the international price of oil has rallied to trade above $50 a barrel in recent days and has struggled to advance any further. On Tuesday, the Brent benchmark for international oil was down 56 cents at $49.79 a barrel.

In its report, the IEA raised its forecast for world demand in 2016 to 96.1 million barrels a day, up 0.1 million barrels from its previous prediction. It expects demand to grow next year by 1.3 million barrels a day, the same as this year.

However, the IEA noted that large volumes of production remain affected by shutdowns. That's true particularly in Nigeria, where regional militants have blown up pipelines, and Libya, which is struggling to emerge from conflict. When that oil starts returning to market, it would boost supply, weighing on prices.

Inventories are also high globally after three years of overproduction, the agency said. "This is likely to dampen prospects of a significant increase in oil prices," its report concluded.