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Stock Average Price Calculator India 2026 – Break-Even Cost

Use this free Stock Average Price Calculator in India to find your average buy price across multiple orders and determine your exact break-even price.

Calculate your average cost per share across multiple purchase orders.

Average Stock Price
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Total Invested
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Total Shares
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Average Price/Share
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Break-even Price
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📊 What is the Stock Average Price Calculator and How Does It Work?

When buying a stock at multiple prices, the average cost basis is the weighted average of all purchases. This determines your breakeven price — where the stock needs to trade for you to break even — and your current unrealised profit or loss.

FormulaAverage price = Σ(Price × Quantity) ÷ Σ(Quantity) | P&L = (Current price – Average) × Total quantity

🪓 Step-by-Step: How to Use This Calculator

  1. Enter each purchase: price per share and number of shares
  2. Click Add to include more purchase lots
  3. Enter current market price to see unrealised P&L
  4. Click Calculate to see average cost, breakeven, and total profit or loss

📌 Example Calculation

Buy 100 shares at ₹500 + 50 shares at ₹400: Average = (₹50,000 + ₹20,000) ÷ 150 = ₹466.67 per share. Breakeven ~₹470 after brokerage.

✅ Benefits of Using This Calculator

  • Know exact average cost across multiple purchases
  • Calculate current P&L based on average cost
  • Determine optimal quantity for averaging down
  • Plan exit strategy based on breakeven price
  • Track portfolio performance accurately
  • Useful for SIP-like systematic equity investing

⚙️ Key Factors That Affect Results

  • Purchase price and quantity of each lot
  • Brokerage and transaction costs per trade
  • Current market price for unrealised P&L
  • Taxes on short-term vs long-term gains
  • Averaging down strategy — only for fundamentally sound stocks
  • Impact of corporate actions — splits, bonuses, dividends

❓ Frequently Asked Questions

How to calculate average stock price?▼
Weighted average = Sum of all (Price × Quantity) ÷ Total shares. ₹100×100 + ₹80×50 = ₹14,000 ÷ 150 = ₹93.33.
Should I average down on a falling stock?▼
Only if fundamentals are intact. Averaging down on quality stocks at lower prices reduces your breakeven. Never average down on broken companies.
What is averaging down strategy?▼
Buying more shares as price falls to reduce average cost. Works well in market corrections for quality stocks.
How does averaging down affect returns?▼
If stock recovers: faster breakeven and higher % gains. If it does not recover: larger losses on larger position.
What is dollar-cost averaging?▼
Investing a fixed amount at regular intervals — automatically buys more shares when prices are low. Exactly what SIP does for mutual funds.
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💰 Stock Profit📈 Stock Returns💼 Portfolio Return📊 CAGR Calculator📊 Dividend Yield

About This Tool

Uses standard financial formulas. Results are indicative — consult a financial advisor for important decisions.

🔒 Privacy: All calculations run locally in your browser.