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  • [Disclosure] SK hynix (000660 / SKHY) – Decision on Cash/In-Kind Dividend (Quarterly Dividend) / 2025-10-29 Semiconductors
  • [Disclosure] Hanwha Ocean (042660) – Sales and Supply Contract (Correction) / 2024-09-24 Disclosures
  • [Disclosure] Hanwha Systems (272210) – (Correction) Change in Revenue or Operating Profit/Loss by 30% or More / 2025-02-21 Disclosures
  • [Disclosure] Samsung Electro-Mechanics (009150) – Consolidated Earnings Announcement (Provisional) / 2025-04-29 Semiconductors
  • [Disclosure] Hanmi Semiconductor (042700) – Investor Relations (IR) Holding / 2026-06-05 Semiconductors
  • [Disclosure] KEPCO (015760 / KEP) – (Correction) Decision to Guarantee Debt for Others / 2025-08-12 Disclosures
  • [Disclosure] Jusung Engineering (036930) – Investor Relations (IR) Presentation / 2025-08-25 Semiconductors
  • [Disclosure] Hanwha Aerospace (012450) – Setting of Record Date for Shareholder Register Closure / 2026-08-07 Disclosures

[Disclosure] Hanwha Aerospace (012450) – (Correction) Market Measures on Stock Futures and Options / 2025-04-30

Posted on April 30, 2025August 10, 2026 By K-STOCK Editor

Fact Source: Financial Supervisory Service DART

💡 3-Second Summary

Due to changes in Hanwha Aerospace’s rights offering schedule, the effective date (May 22, 2025, ex-rights date) and adjustment details for stock futures and options market measures have been updated through this corrected filing.

📊 [Key Disclosure Contents & Major Figures Summary]

  • Target Company: Hanwha Aerospace (012450)
  • Disclosure Type: Amendment to Preliminary Market Measures Notice (Initial Filing Date: 2025-04-22)
  • Reason for Amendment: Updates following changes in Hanwha Aerospace’s rights offering schedule
  • Scheduled Effective Date: May 22, 2025 (Ex-rights date of underlying stock)
  • Reason for Action: Hanwha Aerospace’s (Corrected) Rights Offering Decision (2025-04-30)

1. Adjustment Formulas for Reference Price, Contract Multiplier & Exercise Price (Post-Amendment)

  • Reference Price Formula: Adjusted Reference Price = Pre-adjustment Reference Price × (Adjusted Reference Price of Underlying Stock ÷ Closing Price of Underlying Stock on Day Prior to Ex-Rights Date)
  • Contract Multiplier Formula: Adjusted Contract Multiplier = Pre-adjustment Contract Multiplier × (Closing Price of Underlying Stock on Day Prior to Ex-Rights Date ÷ Adjusted Reference Price of Underlying Stock)
    • Futures Multiplier Target: Contracts with open interest at market close on May 21, 2025
    • Options Multiplier Target: All contract months
  • Exercise Price Formula: Adjusted Exercise Price = Pre-adjustment Exercise Price × (Adjusted Reference Price of Underlying Stock ÷ Closing Price of Underlying Stock on Day Prior to Ex-Rights Date)
  • Special Setting of Exercise Prices (New Listing): If multipliers are adjusted, new exercise prices with a standard multiplier of 10 will be set (at least 9 series for 1st-3rd months, at least 3 series for 4th-6th months)

2. Delisting of Stock Futures Spread Contracts (Post-Amendment)

  • Delisting of futures spread contracts where nearest-month and distant-month contracts have different multipliers

3. Other Notes & Upcoming Schedule

  • Open Interest / Order Limit / Last Trading Day / Trading Suspension: None (-)
  • Scheduled Detailed Announcement Date: May 21, 2025 (Day prior to ex-rights date)
  • Regulatory Basis: Articles 25, 30, 35, 62, 70 of Derivatives Market Business Regulations

📝 Editor’s Comment (Key Follow-up Checkpoint)

📌 Verification of Derivatives Market Measures Figures Aligned with Updated Schedule

This corrected disclosure updates the implementation date and calculation formulas for derivative market measures following changes in the underlying stock’s rights offering timeline. Checking how the updated schedule leading to the ex-rights date (May 22, 2025) structures the derivation of confirmed measure figures is necessary for understanding the timeline outline. Detailed measures and confirmed numerical figures can be verified in the follow-up disclosure scheduled to be released on May 21, 2025.

📢 Risk Disclaimer & Source Notice

Source: This content was structured and generated based on official disclosure data from the Financial Supervisory Service DART system.

Investment Risk Warning: This material is provided solely for informational and educational purposes. Under no circumstances does it constitute financial advice, investment recommendations, or solicitation to buy or sell securities. All investment decisions and financial liabilities remain entirely with the investor.

Inquiries: For compliance inquiries or copyright requests, please contact ksb220805@gmail.com.

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