Fact Source: Financial Supervisory Service DART
💡 3-Second Summary
Korea Exchange (KRX) issued an advance notice regarding planned market measures—including adjustments to base prices, trading multipliers, and strike prices for ALTEOGEN stock futures and options—effective August 5, 2026 (ex-rights date) following a bonus issue.
📊 [Key Disclosure Details & Major Figures Summary]
- Reason for Action: ALTEOGEN’s bonus issue decision (Disclosed on July 16 and July 20, 2026)
- Scheduled Effective Date: August 05, 2026 (Wed) (Ex-rights date of the underlying stock)
- Underlying Asset: ALTEOGEN (196170)
- Adjustment Methods:
- Base Price Adjustment: Pre-adjustment base price × (Adjusted base price of underlying ÷ Closing price prior to ex-rights date)
- Trading Multiplier Adjustment: Pre-adjustment multiplier × (Closing price prior to ex-rights date ÷ Adjusted base price of underlying)
- Option Strike Price Adjustment: Pre-adjustment strike price × (Adjusted base price of underlying ÷ Closing price prior to ex-rights date)
- Delisting of Futures Spread Contracts: Scheduled delisting of futures spread contracts where trading multipliers differ between spot and far months
- Special Listing of Option Strike Prices: New strike price series using standard multiplier (10) per contract upon multiplier adjustment
- Regulatory Basis: Articles 25, 30, 35, 62, 70 of the Derivatives Market Business Regulations and Enforcement Rules
- Upcoming Schedule: Final detailed measures to be announced on August 4, 2026 (trading day prior to ex-rights date; subject to change based on corporate events)
📝 Editor’s Comment (Key Follow-up Checkpoint)
📌 Verification of Detailed Market Measures Announcement on the Trading Day Prior to Ex-Rights Date
This disclosure provides an advance notice of the formulas and outline for market measures on stock futures and options resulting from a bonus issue. Verifying the detailed market measures to be officially announced on the trading day prior to the ex-rights date (August 4, 2026) is essential because it allows investors to confirm the exact numerical values for the adjusted base prices and trading multipliers. Detailed contents can be cross-checked in the ‘Market Measures on Stock Futures and Options’ disclosure filing scheduled for August 4, 2026.
📢 Disclaimer & Source Notice
Source: This content has been structured and newly created based on official filing data from the Financial Supervisory Service (DART).
Investment Risk Notice: This content is provided for informational and language reference purposes only. Under no circumstances does it constitute financial advice or a recommendation to buy or sell any specific stock. All investment decisions and financial responsibilities rest entirely with the investor.
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