Why were Nan Ya and Taiwan Styrene hit hardest?

Both companies have high exposure to crude-linked products and limited hedging, making them highly sensitive to oil price swings.

How does lower oil prices affect consumers?

Plastic and packaging costs may decline, potentially stabilizing prices, but consumer benefits are indirect and gradual.

What is Taiwan's petrochemical industry's global competitiveness?

Led by Formosa Group, it has strong cost and tech advantages, but faces challenges from Chinese overcapacity and green regulations.

Spotlight Stocks: U.S.-Iran Tensions Ease, Oil Prices Retreat – Nan Ya and Taiwan Styrene Hit Limit Down, Petrochemical Stocks Plunge

Published Jul 28, 2026 1:45 PM ・ Updated Jul 28, 2026 2:10 PM ・ 3 min read ・ Source: PR Times

Oil prices continued to fall on Tuesday (28th) as U.S.-Iran tensions eased, with expectations of renewed negotiations fostering cautious optimism. Brent crude for September delivery fell below $84 per barrel, while WTI crude dropped to around $80. Taiwan's petrochemical stocks plunged, with Nan Ya and Taiwan Styrene hitting limit-down, and other major players down 5–8%.

International oil prices continued to decline today (28th) as tensions between the U.S. and Iran eased, with both sides expected to restart a new round of negotiations, maintaining cautious optimism. After markets reopened, oil prices kept falling—Brent crude September futures dropped below $84 per barrel, and West Texas Intermediate (WTI) crude September futures also fell to around $80 per barrel.

Additionally, according to foreign media reports, Trump ordered the U.S. military to suspend military operations against Iran. In response, Iran's military stated that it would not open fire as long as the U.S. maintains the ceasefire, leading markets to believe that Middle East tensions could de-escalate.

Amid the sharp drop in oil prices, Nan Ya plunged to its limit-down price of NT$157 during today’s trading session, with trading volume shrinking to nearly 39,000 contracts—about 32,000 fewer than yesterday (27th). Taiwan Styrene, after yesterday’s steep decline, continued to face selling pressure at the opening and quickly plunged to its limit-down price.

Today’s market saw not only Nan Ya and Taiwan Styrene hitting limit-down, but also Formosa Plastics Group stocks—Formosa Plastics (1301-TW), Formosa Petrochemical (6505-TW), and Formosa Chemicals & Fibre (1326-TW)—falling 5–7%. Other second-tier petrochemical stocks, including Taiwan Dainan Chemical (1310-TW), Taiwan Polymers (1304-TW), Kuo Chiao (1310-TW), Hwa Shia (1312-TW), and Asia Polymer (1308-TW), also recorded intraday losses of 5–8%.

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Source: PR Times
Category: News

Spotlight Stocks: U.S.-Iran Tensions Ease, Oil Prices Retreat – Nan Ya and Taiwan Styrene Hit Limit Down, Petrochemical Stocks Plunge

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