model-update

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Model 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 ItemPrior EstimateActualDeltaNotes
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 EstNew FY EstChangeOld Next FYNew Next FYChange
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 MethodPriorUpdatedChange
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