平均取得価格計算機
追加購入時の平均価格変化を分析
P&L
-200 000
Return
-20.00%
To Break-Even
+25.0%
Avg Down
Appropriate
My Position
Total Cost1 000 000
Current Price
vs Purchase-20.0%
Smart Insights
📉 In Loss: Currently 20.0% down. Averaging down can help recovery.
🎯 Break-Even Tip: Buy 40 more shares to lower avg to 84 000. Only 5% rise needed for break-even.
📊 Required Rise: Without averaging down, price needs to rise 25.0% to break even.
💡 Averaging Effect: Buying 10 more shares reduces required rise from 25.0% to 12.5% (-12.5%p).
✅ Good Entry Point: 10-20% drop is typically a good range for averaging down.
Break-Even Analysis Chart
Green: Avg Price | Yellow: Required Rise % | Red dashed: Current | Blue dashed: Purchase Price
Risk Analysis (If Price Drops)
⚠️ With same qty added, losses increase if price drops further (more capital at risk)
Recovery Scenario Chart
💡 When price recovers, profits are larger with averaging down (more shares owned)
Scenario Analysis
| Add Qty | New Avg | Required Rise | Add Cost | Total Investment |
|---|---|---|---|---|
| +0 shares | 100 000 | +25.0% | 0 | 1 000 000 |
| +4 shares | 94 286 | +17.9% | 320 000 | 1 320 000 |
| +8 shares | 91 111 | +13.9% | 640 000 | 1 640 000 |
| +12 shares | 89 091 | +11.4% | 960 000 | 1 960 000 |
| +16 shares | 87 692 | +9.6% | 1 280 000 | 2 280 000 |
| +20 shares | 86 667 | +8.3% | 1 600 000 | 2 600 000 |
| +24 shares | 85 882 | +7.3% | 1 920 000 | 2 920 000 |
| +28 shares | 85 263 | +6.6% | 2 240 000 | 3 240 000 |
| +32 shares | 84 762 | +6.0% | 2 560 000 | 3 560 000 |
| +36 shares | 84 348 | +5.4% | 2 880 000 | 3 880 000 |