HKEX
繁 简
About HKEX
About HKEX
Investor Relations
Corporate Governance
Sustainability
Media Centre
Careers
Related Sites: LME
HKEX Group
LME
Bond Connect
QME
HKEXnews
GEM
CESC
Sustainable & Green Exchange (STAGE)
Client Connect
Our Products
Securities
Equities
Exchange Traded Products
Structured Products
Real Estate Investment Trusts
Debt Securities
Listed Derivatives
Equity Index
Single Stock
Foreign Exchange
Interest Rate
Commodities
OTC Derivatives
Eligible OTC Clear Products
Interest Rate Swaps
Non Deliverable Forwards
Cross Currency Swaps
Deliverable FX
Find a Partner
MSCI Index Futures & Options
HKEX Sustainable & Green Exchange
Our Services
Trading
Securities
Overview
Infrastructure
Derivatives
Overview
Infrastructure
Connectivity
Hosting Services
SDNet/2
Data and Index Services
Real Time Data Services
Historical Data Services
Infrastructure
Index Services
Rules, Forms & Fees
Rules
Forms
Fees
Clearing
Securities
Overview
Infrastructure
Risk Management
CCP Disclosures
Listed Derivatives
Overview
Infrastructure
Risk Management
CCP Disclosures
OTC Clear
Overview
Infrastructure
Risk Management
CCP Disclosures
Settlement and Depository
Settlement - Securities
Depository
Common Nominee Services
Securities Admission into CCASS
PFMI
Unclaimed Entitlements Held by HKSCC Nominees Limited
Uncertificated Securities Market
Platform Services
Client Connect
Corporate Action Messaging Standardisation
FINI - A New Era for Hong Kong’s IPO market
Orion Cash Platform
Orion Derivatives Platform
Integrated Fund Platform
Circulars & Notices
Become a Participant
HKEX Connect Hall
Join Our Markets
IPO
Listing with HKEX
GEM
Southeast Asia Listing Insights
Northbound and Southbound
Stock Connect
Bond Connect
Commodities
LME
QME
Sustainable Finance
Sustainable & Green Exchange (STAGE)
Core Climate
Listing of Specialist Technology Companies
Core Climate
Listing Regulations
How We Regulate
Overview
Listing Newsletters
Listing Committee
Listing Review Committee
Listing Policy Panel Report
Rules and Guidance
Listing Rules
Interpretation and Guidance
Listing of Overseas Issuers
Listing of Biotech Companies
Listing of Specialist Technology Companies
Technology Enterprises Channel (TECH)
Launch of FINI platform
Expansion of the Paperless Listing Regime
Listing e-Forms Guidance Materials
IPO
Application Proof, PHIP and Related Materials
New Listing Information
Listing Matters regarding Sponsor Regulation and Intermediaries Regulation
Other Materials
e-Learning
Listed Issuers
Issuers' Continuing Obligations & Annual Listing Fees
Guides on the Exchange's Practices and Procedures for Handling Listing-related Matters
e-Learning
Current topics
Exchange's Reports
Structured Products
Products and Issuers' Information
Guidance
Debt Securities
Summary of Listing Requirements for Debt Issues to Professional Investors Only
Guidance Materials
Disciplinary & Enforcement
Overview
Disciplinary Procedures
Enforcement Guidance Materials
Disciplinary Sanctions
Enforcement Bulletin
Enforcement Statistics
Request for Assistance
Sustainability & Corporate Governance
ESG Academy
Board Diversity Hub
Corporate Governance Practices
INED Corner
What's New
Listing Newsletter
Contact Us / Make a Complaint
News centre
Corporate News Releases
Regulatory Announcements
Market Communications
Market Consultations
News Centre
HKEX Calendar
Research Reports
Connect Programmes
Connect Hub
Stock Connect
Bond Connect
Swap Connect
Daily Statistics
Market Highlights
Eligible Securities
Market Data
Stock Quote Lookup
Securities Prices
Equities
Exchange Traded Products
Derivative Warrants
Inline Warrants
Callable Bull / Bear Contracts
Real Estate Investment Trusts
Debt Securities
Futures & Options Prices
Equity Index
Single Stock
Foreign Exchange
Interest Rate
Commodities
Statistics
Consolidated Reports
Securities Market
Derivatives Market
Participant
Clearing, Settlement and Depository
HKEXnews
News Alerts
Market Data Services






Historical Volatility vs Implied Volatility
Underlying  
Search
Last Updated: 21/07/2025
(00902) Huaneng Power
Export to CSV

Remarks