Announcements
Track your ASX announcements and understand their market impact with Quarterback's announcement analysis tools.
Overview
The Announcements page shows all your company's ASX announcements with:
- Title - Announcement headline
- Date - Release date and time
- Category - Type of announcement
- Price Sensitive - Whether it was marked price-sensitive
- Market Impact - CAR (Cumulative Abnormal Return) metrics
Announcement List
Navigate to Announcements in the sidebar to view all announcements.
Columns
| Column | Description |
|---|---|
| Date | When the announcement was released |
| Title | Announcement headline |
| Category | Auto-categorized type |
| Sensitive | Price-sensitive indicator |
| AR₀ | Abnormal return on announcement day |
| CAR | 3-day cumulative abnormal return |
Filtering
Filter announcements by:
- Date Range - Select specific periods
- Category - Filter by announcement type
- Price Sensitive - Show only price-sensitive items
Market Impact Analysis
Quarterback calculates market impact metrics for each announcement:
Abnormal Return (AR)
The stock's return compared to expected return based on market movements:
- AR₀ - Return on announcement day (day 0)
- Positive AR = Stock outperformed the market
- Negative AR = Stock underperformed the market
Cumulative Abnormal Return (CAR)
Sum of abnormal returns over a window:
| Metric | Window | Use Case |
|---|---|---|
| CAR(-1,+1) | 3 days around announcement | Immediate market reaction |
| CAR(0,+10) | 11 days after | Sustained impact |
| CAR(-3,-1) | 3 days before | Information leakage detection |
Interpreting CAR
- CAR > 0 - Market reacted positively
- CAR < 0 - Market reacted negatively
- Large |CAR| - Strong market reaction
Announcement Details
Click any announcement to open the detail view:
Overview Tab
- Full announcement title
- Release date and time
- ASX category and sensitivity
Market Impact Tab
- CAR chart showing daily abnormal returns
- Event study visualization
- Comparison to similar announcements
Linked Activities Tab
- Social media reactions to the announcement
- News coverage
- Forum discussions
Linking Activities
Connect market chatter to specific announcements:
- Open an announcement
- Click Link Activities
- Search for relevant activities
- Click to add the link
Quarterback also auto-links activities that mention your announcement.
Auto-Matching
The system automatically suggests links based on:
- Timing (activities near announcement date)
- Content similarity (mentions of announcement topics)
- Keywords and hashtags
Categories
Announcements are auto-categorized into types:
- Quarterly Activities Report - 4C and quarterly updates
- Annual Report - Yearly financial reports
- Capital Raising - Share placements and rights issues
- Contract/Agreement - Commercial agreements
- Trading Halt - Halt and resumption notices
- Director Changes - Board appointments
- Other - Miscellaneous announcements
You can manually override categories if needed.
Event Study Chart
The event study chart visualizes market reaction:
- X-axis - Days relative to announcement (day 0)
- Y-axis - Cumulative abnormal return
- Confidence Bands - Statistical significance indicators
This helps you understand:
- When the market started reacting
- Whether the reaction was sustained
- How this compares to your average announcement impact
Tips & Best Practices
- Compare to benchmarks - Check if your announcement performance is above/below average
- Track by category - See which types of announcements move your stock most
- Link activities - Connect market chatter to understand narrative
- Monitor pre-announcement CAR - Large movements before announcements may indicate leaks
Related
- Key Concepts - Understanding CAR and AR
- Activities - Track market reactions
- Insights - AI-powered analysis