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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
Total Invested
Total Shares
Average Price/Share
Break-even Price

📊 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.

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.