On July 29, Roundhill Memory ETF declined 5.29% in regular trading, trading at $45.075/share, with turnover of $2.205 billion.

The decline was driven by SK Hynix's Q2 earnings falling short of market expectations, intensifying panic selling across the global memory chip sector. SK Hynix reported operating profit of 60.54 trillion won, up 557% year-over-year to a record high, but still below the consensus estimate of 64.22 trillion won. The Korean KOSPI index plunged as much as 11% intraday, with SK Hynix dropping over 17% — its largest single-day decline on record — now down 57% from its June peak. Additionally, the listing of ChangXin Memory Technology intensified concerns over heightened industry competition, while Swiss asset manager Pictet Hong Kong recently reduced its SK Hynix holdings, reflecting growing institutional divergence on memory chip valuations and sustained deterioration in sector sentiment.

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