In today’s briefing:
- Biggest Gray Area in Korea’s Short-Selling Overhaul: What Should TRS Clients Do?
- FnGuide Semiconductor Top10 Index Rebalance Preview: Big Moves Lead to Changes in Forecast

Biggest Gray Area in Korea’s Short-Selling Overhaul: What Should TRS Clients Do?
- If brokers let shorts exceed borrow, TRS end investors risk getting caught in the legal crossfire.
- Some TRS players are setting up short-book systems and reg numbers proactively, ensuring brokers share borrow data to stay ahead of any compliance risks.
- With most illegal shorts tied to TRS, and TRS dominating the market, the FSS will likely introduce TRS-specific rules rather than granting exemptions.
FnGuide Semiconductor Top10 Index Rebalance Preview: Big Moves Lead to Changes in Forecast
- With the averaging period for the April rebalance commencing today, we forecast 2 changes for the FnGuide Semiconductor Top10 Index at the upcoming rebalance.
- Based on the passive assets tracking the index, there will be between 0.65-1x ADV to buy in the adds and between 0.5-1.7x ADV to sell in the deletes.
- The big rally has taken Gemvax & Kael into inclusion zone while underperformance leads to ISC Co and Techwing dropping out of inclusion zone.
