# Kioxia sheds two-thirds of market value as Chinese NAND rivals surge *Japan's leading flash memory maker faces intense margin pressure as low-priced supply from Chinese competitors reshapes the global market.* **Published:** October 16, 2026 **By:** Kenji Sato **Section:** Semiconductors & AI Hardware — Japan **Format:** Breaking **Confidence:** medium **Source:** https://eastasiabrief.com/semiconductors/kioxia-sheds-two-thirds-market-value-chinese-nand-rivals-753 **Publisher:** East Asia Brief (https://eastasiabrief.com/) --- ## What to know - Kioxia market capitalization dropped roughly two-thirds to 20 trillion yen ($133 billion) as Chinese supply expanded - Benchmark 512Gb TLC NAND flash spot prices fell 14.8% to $2.85 through late September - Kioxia reports Q2 fiscal 2026 earnings Oct. 30 and submits revised capex plans to METI Nov. 14 ![A robotic arm handles semiconductor components on an automated assembly line as a technician observes in a cleanroom. (AI-generated image)](https://eastasiabrief.com/media/2026-10-16-7225ef4ed94a.webp) *A robotic arm handles semiconductor components on an automated assembly line as a technician observes in a cleanroom. (AI-generated image)* Japanese flash memory producer Kioxia Holdings saw its market capitalization contract by roughly two-thirds from its peak following an intense wave of low-priced supply from Chinese competitors on Oct. 15, 2026. The company, which operates major NAND flash manufacturing bases in Japan and supplies global consumer electronics and server builders, faced sharp downward pressure in Tokyo trading as regional pricing softened. *The rest of this briefing is for members. Creating an account is free. [Continue reading](https://eastasiabrief.com/semiconductors/kioxia-sheds-two-thirds-market-value-chinese-nand-rivals-753).* --- Cite as: East Asia Brief, "Kioxia sheds two-thirds of market value as Chinese NAND rivals surge," October 16, 2026. https://eastasiabrief.com/semiconductors/kioxia-sheds-two-thirds-market-value-chinese-nand-rivals-753