Commodities June 25, 2026 07:57 AM

Asian Naphtha Softens as Singapore Stocks Rebound on Increased Russian Flows

First-half August cargoes slide amid contango, trades and prompt discounts reported as regional inventories climb

By Maya Rios
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Naphtha values in Asia declined on Thursday, tracking weaker crude benchmarks after inventories at the region's principal trading hub rose. Market activity included a 25,000-ton sale by AGTAsia and a discounted prompt cargo from a Kuwaiti seller, while refining margins widened against Brent amid a contango structure for nearby volumes.

Asian Naphtha Softens as Singapore Stocks Rebound on Increased Russian Flows
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Key Points

  • Naphtha for first-half August fell about $14 to $628.25 per metric ton, trading in a contango of $7.75/ton.
  • Refining margins for naphtha widened by roughly $8 to $83.38 per ton over Brent, despite the decline in physical prices.
  • Reported commercial activity included AGTAsia selling 25,000 tons to Vitol and a Kuwaiti seller offering a prompt cargo at a discount; Singapore inventories rebounded after hitting 13-year lows.

Asian naphtha prices eased on Thursday, moving in line with falls in crude oil benchmarks as stockpiles at the region's major trading hub increased, attributed to higher supplies from Russia.

Benchmark front-month supplies for first-half August weakened by roughly $14, settling at $628.25 per metric ton. The nearby-contango structure showed a spread of $7.75 per ton. Against Brent crude, the refining margin for naphtha rose by about $8 to $83.38 per ton.

Market participants reported specific commercial activity that accompanied the price action. Energy trader AGTAsia sold 25,000 tons of naphtha to Vitol at the window. In addition, a Kuwaiti seller moved a prompt cargo at a discount through tender sales.

Official data released on Thursday showed that oil product inventories held in Singapore - a key Asian trading hub - bounced back to levels not seen in a month. That recovery followed 13-year lows recorded the prior week as stocks across product categories increased.

Oil markets were softer on Thursday, with prices retreating to levels last seen before the start of the Iran war. The move reflected market expectations that rising supply from the Middle East would outweigh concerns about demand.

The combination of rebuilding inventories in Singapore, reported commercial transactions and the prevailing contango prompted the decline in naphtha values even as refining margins widened against Brent. Traders noted the interplay between physical flows and crude benchmarks as influential in short-term pricing dynamics.

While the available information highlights recent trades and inventory shifts, the data released focuses on headline movements and does not provide further detail on regional demand patterns beyond the recovery in stocks. Market participants continued to monitor supply flows and crude price trends for further direction.


Market context:

  • Front-month naphtha for first-half August: down about $14 to $628.25 per metric ton.
  • Contango structure on nearby volumes: $7.75 per ton.
  • Refining margin over Brent: up about $8 to $83.38 per ton.
  • Reported trades: AGTAsia sold 25,000 tons to Vitol; a Kuwaiti seller sold a prompt cargo at a discount in tenders.
  • Inventories in Singapore: rebounded to levels not seen in a month after 13-year lows recorded last week.

Risks

  • Rising regional inventories may continue to exert downward pressure on product prices - impacting oil product and refining sector margins.
  • Expectations of increasing Middle East supply weighed on crude prices, which in turn can transmit volatility to naphtha and related petrochemical feedstock markets.
  • Limited granularity in available inventory and demand data creates uncertainty for short-term pricing direction in derivatives and physical markets.

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