model-update
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ChineseModel Update
模型更新
Workflow
工作流程
Step 1: Identify What Changed
步骤1:确定变更内容
Determine the update trigger:
- Earnings release: New quarterly actuals to plug in
- Guidance change: Company updated forward outlook
- Estimate revision: Analyst changing assumptions based on new data
- Macro update: Interest rates, FX, commodity prices changed
- Event-driven: M&A, restructuring, new product, management change
确定更新触发因素:
- 收益发布:需填入新的季度实际数据
- 指引变更:公司更新了未来展望
- 估算值修订:分析师根据新数据调整假设
- 宏观更新:利率、汇率、大宗商品价格发生变化
- 事件驱动:并购、重组、新产品发布、管理层变动
Step 2: Plug New Data
步骤2:填入新数据
After Earnings
收益发布后操作
Update the model with reported actuals:
| Line Item | Prior Estimate | Actual | Delta | Notes |
|---|---|---|---|---|
| Revenue | ||||
| Gross Margin | ||||
| Operating Expenses | ||||
| EBITDA | ||||
| EPS | ||||
| [Key metric 1] | ||||
| [Key metric 2] |
Segment Detail (if applicable):
- Update each segment's revenue and margin
- Note any segment mix shifts
Balance Sheet / Cash Flow Updates:
- Cash and debt balances
- Share count (buybacks, dilution)
- Capex actual vs. estimate
- Working capital changes
使用已披露的实际数据更新模型:
| Line Item | 先前估算值 | 实际值 | 变动额 | 备注 |
|---|---|---|---|---|
| 营业收入 | ||||
| 毛利率 | ||||
| 运营费用 | ||||
| EBITDA | ||||
| EPS | ||||
| [关键指标1] | ||||
| [关键指标2] |
细分业务详情(如适用):
- 更新各细分业务的营业收入和利润率
- 记录任何业务结构的变化
资产负债表/现金流更新:
- 现金及债务余额
- 股份数量(回购、稀释)
- 资本支出实际值vs估算值
- 营运资金变化
Step 3: Revise Forward Estimates
步骤3:修订未来估算值
Based on the new data, adjust forward estimates:
| Old FY Est | New FY Est | Change | Old Next FY | New Next FY | Change | |
|---|---|---|---|---|---|---|
| Revenue | ||||||
| EBITDA | ||||||
| EPS |
Key Assumption Changes:
- What assumptions are you changing and why?
- Revenue growth rate: old → new (reason)
- Margin assumption: old → new (reason)
- Any new items (restructuring charges, one-time gains, etc.)
根据新数据调整未来估算值:
| 旧财年估算值 | 新财年估算值 | 变动额 | 旧下一财年估算值 | 新下一财年估算值 | 变动额 | |
|---|---|---|---|---|---|---|
| 营业收入 | ||||||
| EBITDA | ||||||
| EPS |
关键假设变更说明:
- 你正在调整哪些假设?原因是什么?
- 营收增长率:旧值 → 新值(原因)
- 利润率假设:旧值 → 新值(原因)
- 任何新增项目(重组费用、一次性收益等)
Step 4: Valuation Impact
步骤4:估值影响
Recalculate valuation with updated estimates:
| Valuation Method | Prior | Updated | Change |
|---|---|---|---|
| DCF fair value | |||
| P/E (NTM EPS × target multiple) | |||
| EV/EBITDA (NTM EBITDA × target multiple) | |||
| Price Target |
使用更新后的估算值重新计算估值:
| 估值方法 | 先前值 | 更新后值 | 变动额 |
|---|---|---|---|
| DCF公允价值 | |||
| P/E(NTM EPS × 目标倍数) | |||
| EV/EBITDA(NTM EBITDA × 目标倍数) | |||
| 目标价格 |
Step 5: Summary & Action
步骤5:总结与行动
Estimate Change Summary:
- One paragraph: what changed, why, and what it means for the stock
- Is this a thesis-changing event or noise?
Rating / Price Target:
- Maintain or change rating?
- New price target (if changed) with methodology
- Upside/downside to current price
估算值变更总结:
- 一段文字说明:发生了什么变化、原因是什么,以及对股票的影响
- 这是改变投资逻辑的事件还是无关紧要的波动?
评级/目标价格:
- 维持还是变更评级?
- 新的目标价格(若变更)及计算方法
- 相对于当前价格的上涨/下跌空间
Step 6: Output
步骤6:输出结果
- Updated Excel model (if user provides the existing model)
- Estimate change summary (markdown or Word)
- Updated price target derivation
- 更新后的Excel模型(若用户提供现有模型)
- 估算值变更总结(markdown或Word格式)
- 更新后的目标价格推导过程
Important Notes
重要注意事项
- Always reconcile your estimates to the company's reported figures before projecting forward
- Note any non-recurring items and whether your estimates are GAAP or adjusted
- Track your estimate revision history — it shows your analytical progression
- If the quarter was noisy, separate signal from noise in your estimate changes
- Check consensus after updating — how do your revised estimates compare to the Street?
- Share count matters — dilution from stock comp, converts, or buybacks can materially affect EPS
- 在进行未来预测前,务必确保你的估算值与公司披露的数据一致
- 记录任何非经常性项目,并明确你的估算值是基于GAAP还是调整后口径
- 跟踪你的估算值修订历史——这能体现你的分析进展
- 若季度数据波动较大,在调整估算值时要区分信号与噪音
- 更新后查看市场共识——你的修订后估算值与行业平均水平相比如何?
- 股份数量至关重要——股权激励、可转债或回购带来的稀释会对EPS产生重大影响