Korea Securities Depository Data Shows Shift in U.S. Stock Flows
Korean investors purchased $2.19753 billion (2.982 trillion won) worth of U.S. stocks from the 2nd through the 6th. The figures were compiled from the Korea Securities Depository’s SEIBro securities information portal and reported by Maeil Business Newspaper’s securities desk. Rather than signaling broad optimism toward U.S. equities, the data show that the focus of capital allocation shifted sharply over a short period.
U.S. stock purchases exceeded the $1.96234 billion in net buying recorded for the entire month of August and were more than double September’s $1.00128 billion. Over the same period, retail investors also purchased a net 4.2 trillion won on Korea’s main KOSPI market. This should be viewed as a period of active buying in both markets, rather than investors choosing either Korean or U.S. equities exclusively.
U.S. stock purchases refer to the amount Korean investors committed to U.S.-listed equities during the period. The figure shows where capital moved, but it does not indicate whether buying continued after the reporting period or whether investors ultimately recorded gains or losses.
Buying Outpaced Monthly Trends as Concentration Intensified
Period comparisons show a sharp acceleration in buying. Investors sold a net $468.93 million (639.6 billion won) in April and $939.77 million (1.2818 trillion won) in May, but the latest data showed purchases of $2.19753 billion. The won-dollar exchange rate has also moved from the 1,500-won-per-dollar range at the time to the mid-1,300-won range recently.
The composition of purchases matters more than the headline total. Net buying of Direxion Daily Semiconductor Bull 3X reached $1.62525 billion (2.2168 trillion won) during the period, accounting for more than 70% of total net buying. The figures therefore point to concentrated demand for a specific product rather than broad diversification across U.S. equities.
This concentrated buying makes it important to distinguish the direction of the overall market from the selection of individual products. Even when the total is large, flows dominated by a single target cannot indicate equally strong demand across the broader U.S. stock market. Continued buying would provide more evidence that the capital shift is sustainable, while a decline in the product’s share would change the nature of the current trend.
Investment Views Split Across Direxion, Alphabet and ProShares
- Direxion Daily Semiconductor Bull 3X: The product recorded $1.62525 billion in net buying during the period, making it the focal point of concentrated flows. Because overall purchases increased alongside demand for this specific product, investors should focus first on whether its share of the total is sustained.
- Alphabet: Net buying totaled $497.05 million (677.9 billion won). This direct allocation to an individual company differs from product-focused buying, but the data alone provide no basis for drawing conclusions about the company’s earnings or share-price performance.
- ProShares UltraPro QQQ: Korean investors purchased a net $220.22 million (300.3 billion won) during the period. It ranked among the leading net-buying targets alongside the other two, although subsequent changes in holdings and investment returns fall outside the scope of the data.
The rankings of the three targets show that capital did not move uniformly. The bullish interpretation rests on the large amount purchased over a short period and the pace exceeding monthly net-buying totals. A bearish scenario could be triggered if total purchases decline or if the concentration ratio, previously above 70%, falls rapidly.
Three Factors to Watch in the Next Data Release
- Persistence: Investors should determine whether Korean investors continued buying U.S. stocks after the reporting period. The current data cover only the 2nd through the 6th.
- Concentration: Whether Direxion Daily Semiconductor Bull 3X maintains its share of more than 70% will determine the nature of the current supply-demand (order flow).
- Allocation shifts: If subsequent net buying of Alphabet and ProShares UltraPro QQQ increases, it could indicate the emergence of a trend distinct from the current concentration in one product.
- Comparison benchmark: The October amount cited in the article as “54억2312억달러” has not been verified. The comparison claiming that purchases from the 2nd through the 6th equaled 40% of October’s total should therefore not be overinterpreted until the exact amount is confirmed against the original data.
What the data currently establish is the pace of buying and the concentration by target. What cannot yet be said to have been reflected in prices is the duration of these flows or their actual investment returns. The key question in the next Korea Securities Depository release will be whether both total purchases and the leading targets’ shares remain elevated, or which of the two weakens first.
Alphabet Key MetricsAs of 2026-11-07
| Period Returns | 1 Week +0.34% 1 Month -18.75% |
|---|---|
| Trading Value · Trading Volume | 24,484,914 Shares |
Price and supply-demand (order flow) data are real-time figures from Korea Investment & Securities (KIS), while supply-demand (order flow) and news-tone assessments are calculated independently by One Day Trading.
Supply-Demand (Order Flow) and Momentum Assessment🟡 neutral · Wait and See
Positive and negative signals are mixed, warranting a wait-and-see approach.
- ▼52-Week Position11% Above the 52-Week Low
This article was automatically summarized and analyzed from the original news report. View Original Article (Maeil Business Newspaper Securities)





