Fact Source: Financial Supervisory Service DART
💡 3-Second Summary
Following Celltrion’s bonus issue decision, the Korea Exchange (KRX) will adjust the base prices, contract multipliers, and exercise prices for Celltrion stock futures and options effective June 4, 2026.
📊 [Key Disclosure Details & Financial Summary]
- Disclosure Title: Notice of Market Measures for Stock Futures and Options Following Celltrion Co., Ltd.’s Bonus Issue
- Underlying Asset: Celltrion
- Reason & Regulatory Basis: Bonus issue decision by Celltrion Co., Ltd. (2026.05.21) / Article 25 of the Derivatives Market Business Regulations, etc.
- Effective Date: June 4, 2026 (Thursday)
- Key Market Measures:
- Futures Base Price Adjustments:
- Jun 2026 contract: KRW 178,700
- Jul 2026 contract: KRW 180,600
- Aug 2026 contract: KRW 180,000
- Sep 2026 contract: KRW 180,500
- Dec 2026 contract: KRW 182,000
- Mar 2027 contract: KRW 182,900
- Contract Multiplier Adjustment:
- Adjusted from 10 to 10.49272103 for Futures (Jun/Jul 2026 open interest contracts) and Options (all listed contracts)
- Delisting of Futures Spreads: Delisting of spread contracts pairing Jun 2026 with Aug, Sep, Dec 2026, and Mar 2027 contracts due to mismatched contract multipliers.
- Option Strike Price Adjustments & Special Listing: Adjustment of listed options strike prices and introduction of new standard multiplier (10) strike prices.
- Other Items: No trading suspension; no changes to final trading dates or open interest quantities.
- Futures Base Price Adjustments:
📝 Editor’s Comment (Key Follow-up Checkpoint)
📌 Verification of Derivatives Account Settlements and Contract Multiplier Adjustments
This disclosure relates to administrative adjustments made in the derivatives market to reflect the ex-rights price adjustment from Celltrion’s bonus issue, making it essential for investors to review changes in account margin requirements and valuation. Verifying that price adjustments and contract multipliers have been properly reconciled can be done via official KRX derivatives market notices and individual brokerage derivatives account statements.
📢 Disclaimer & Source Information
Source: This content was newly generated and structured based on official data submitted to the Data Analysis, Retrieval and Transfer System (DART) of the Financial Supervisory Service.
Investment Risk Notice: This information is provided for informational and linguistic 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 solely with the investor.
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