Chemical ETF Peng Hua (159870) has hit a new 60-session low in its fund share count, with the latest data showing persistent redemption pressure. In the previous trading session on September 18, the ETF recorded net redemptions of 53.5 million units, marking the seventh consecutive session of outflows between September 10 and September 18. Over the five trading days from September 14 to September 18, cumulative net redemptions reached 567 million units.

Despite the ongoing share shrinkage, the underlying index tracked by this ETF has shown notable strength in today's session. Chemical ETF Peng Hua (159870) advanced 1.04% with turnover reaching 365 million yuan and a turnover rate of 2.88%. Over the last five sessions from September 15 to September 21, the ETF has gained 1.04% compared to its September 14 closing level, with an average daily turnover of 246 million yuan over that period and 363 million yuan over the trailing 20 sessions. The fund's total assets under management stand at 12.553 billion yuan.

According to the second-quarter fund report for 2026, key holdings showed mixed performance today. Wanhua Chemical Group Co Ltd (600309) declined 0.90%, while Qinghai Salt Lake Industry Co Ltd (000792) rose 0.89%, Guangzhou Tinci Materials Technology Co Ltd (002709) gained 0.51%, Zhejiang Juhua Co Ltd (600160) edged up 0.32%, and Sichuan EM Technology Co Ltd (601208) advanced 2.83%.

Peer ETFs in the same chemical sector are also facing similar pressure on share counts. Chemical ETF Guotai (516220) saw net redemptions of 1 million units in the previous session, marking two consecutive days of outflows, with cumulative redemptions of 3 million units over the last five sessions and its share count hitting a fresh 60-session low. Chemical ETF Huatai-PineBridge (159093) recorded cumulative net redemptions of 1 million units over five sessions, while Chemical ETF ChinaAMC (159082) reported zero net change in shares over the same five-session period.

On the leveraged capital front, margin financing in Chemical ETF Peng Hua (159870) stood at 186 million yuan as of September 18, with daily margin purchases of 8.44 million yuan. Margin balances have been declining over the trailing five sessions. In terms of premium and discount dynamics, the ETF closed at a 0.08% premium on September 18.

On product quality metrics, Chemical ETF Peng Hua (159870) posted a tracking error of 0.081% over the past month as of September 18, ranking third smallest among the 13 ETFs tracking the same index. According to data from the CSI Index official website, the Sub-Chemical Industry Index currently carries a trailing price-to-earnings ratio of 25.23 times and a dividend yield of 1.66%. This index is constructed from the broader CSI Sub-Industry Theme Index Series, selecting listed company securities with relatively large market capitalizations and strong liquidity from the relevant sub-industries to reflect their overall performance.

CITIC Construction Investment commented that chemical asset scarcity is intensifying amid supply chain disruptions and recommended focusing on targets with improving third-quarter earnings. The firm's weekly statistics show the industry price index rose 4.13% week-on-week, while the price spread index climbed 1.53%. Huatai Securities noted that AI server upgrades are driving higher PCB layer counts and material specifications, multiplying per-unit value and fueling 15% to 20% price increases for electronic resins. With insufficient supply elasticity in high-end electronic materials, the upward price trend is expected to persist.