Securities transaction tax surges 401% as July cumulative revenue of 274 trillion won reveals KOSPI strength

Key Summary

The 401% surge in securities transaction tax should be read as a sign that trading value has come back to life, rather than just as a revenue number. The fact that cumulative revenue through July this year reached 274 trillion won and the progress rate hit a five-year high points in the same direction.

Securities transaction tax is the tax charged when stocks are sold. As such, this indicator shows more directly how often hands changed in the market than how strong KOSPI was.

That said, this improvement is not immediate proof of underlying economic strength. If trading value continues, it is supportive for securities firms and market liquidity, but if trading fades, the improvement in tax revenue will also slow quickly.

What Happened

In July, securities transaction tax rose 401% from the same month last year. Even allowing for a low base effect, the number itself makes one thing clear: stock trading was far more active than a year earlier.

Based on Yonhap News reporting, cumulative revenue through July this year reached 274 trillion won, up by more than 41 trillion won from the same period last year. For the government, that means the revenue base has become stronger than expected. For the market, the more important takeaway is that trading turnover has recovered.

The rise in securities transaction tax does not directly lift investor returns. In fact, because the tax is charged on every sale, the higher the trading frequency, the heavier the felt burden. So this number contains both a positive catalyst and a cost.

Background and Context

Tax revenue reflects both the economy and the market at the same time. The fact that higher revenue and higher securities trading volume were mentioned together means the tax figure is not the result of just one item. The progress rate rises meaningfully only when market turnover and external trading flows are both active.

This indicator is also linked to interest rates. When rates are high, stocks become less attractive relative to other assets, trading value tends to fall, and securities transaction tax usually slows as well. By contrast, when expectations for rate cuts build and the exchange rate stabilizes, risk-asset turnover can pick up, potentially improving both tax revenue and securities earnings.

Still, it is worth checking how much of that expectation is already priced in. If KOSPI trading value stays at current levels, estimates for securities firm earnings can be revised higher. But if trading value weakens, both tax revenue and brokerage effects will soften at the same time.

Impact on the Market and Stocks

• Kiwoom Securities - With a high share of retail investor trading, it is among the first to reflect the recovery in trading value. When turnover rises, brokerage fees and related profit improve immediately.
• Mirae Asset Securities - It can benefit from a pickup in activity in both brokerage and wealth management. When market liquidity improves, ETF, wrap, and WM-related funds also tend to move more actively.
• NH Investment & Securities and Samsung Securities - For large securities firms, higher trading value translates into earnings leverage. That said, if competition pushes fee rates lower, the practical benefit may be limited.
• Korea Financial Group - Profit from its securities subsidiary is sensitive to turnover. Earnings improve quickly when trading rises, but if the market cools, the pace of improvement slows first.
• KOSPI overall - The key point is not the tax improvement itself, but that market trading has recovered. That may be the start of an industry sector rebound, but it does not guarantee a long-term earnings uptrend.

Investor Watchpoints

• Watch the next monthly tax revenue report. To judge whether turnover has really recovered, you need to see whether securities transaction tax stays elevated after July.
• Look at average daily trading value for both KOSPI and KOSDAQ. Whether activity is concentrated in a specific industry sector or broad-based across the market changes how sensitive securities firm earnings will be.
• Check the KRW/USD exchange rate and the central bank meeting result together. If the exchange rate moves back above 1,400 won, foreign investors’ supply-demand (order flow) and risk appetite could weaken.
• In third-quarter earnings releases from securities firms, watch brokerage fees and client assets under custody. These are the items that show most quickly whether trading value is translating into earnings.

Outlook

The bullish scenario is straightforward. If expectations for rate cuts hold and trading value stays firm, tax revenue should improve further and earnings estimates for securities stocks could be revised higher. In that case, the market is likely to place more weight on trading activity than on tax revenue improvement itself.

The risks are equally clear. If expectations for rate cuts fade or exchange-rate volatility rises again, trading value will cool first. Then the jump in securities transaction tax could end up being a one-off, and the favorable signal in the revenue progress rate would quickly lose strength.

Frequently Asked Questions

Why does securities transaction tax show up in tax revenue so quickly?

Because securities transaction tax is charged every time stocks are sold, it is collected immediately when trading rises. That is why this item does not lag like a macroeconomic indicator and instead shows market turnover almost at once.

Is a 401% jump in securities transaction tax positive for securities stocks?

The tax revenue itself goes to the government, but in terms of what it says about rising trading value, it is supportive for securities stocks. However, higher transaction tax burdens can also slow investor trading, so it should not be viewed as an unqualified positive catalyst.

What does cumulative revenue of 274 trillion won through July mean?

It means taxes have been collected faster than expected through July this year. But better tax revenue does not automatically mean the overall economy is strong, so the details, such as revenue items and market trading value, need to be viewed together.

This article is automatically summarized and analyzed based on the original news report. View original article (Yonhap News Securities)