由於伊朗否認外交談判取得任何進展，加之美國原油庫存下降，WTI原油向上觸及100美元/桶，布倫特原油日內走高2美元，現報108.28美元/桶，漲幅1.88%。

Oct. 21 — At a regular briefing, Taiwan Affairs Office spokesperson Zhang Han was asked about U.S. President Trump again calling TSMC the world’s top chipmaker and reportedly speaking with TSMC chairman Wei Zhejia. Zhang said Taiwan’s industrial competitiveness is the product of generations of industry, entrepreneurs and researchers and is a shared asset of the Taiwanese people. He accused Taiwan’s DPP authorities of callously selling off inherited assets, saying their actions have consumed decades of effort and ultimately harmed Taiwan’s industry and public interest.

克里姆林宮：美國總統特使威特科夫向俄羅斯總統普京通報了其在奧斯陸的會談情況及“新思路”，但在和平解決方案方面並無真正有用的內容。