What are bonus shares and how do they impact equity shares?

  • Bonus shares are extra shares a company gives to its existing shareholders for free. You get them in a set ratio based on how many shares you already own.
  • Companies issue bonus shares to reward shareholders without paying cash and to use their reserves more effectively.


Key points about bonus shares

  • Free shares: You don’t pay anything to receive bonus shares
  • Fixed ratio: The company announces a ratio like 1:2 or 2:1 to decide how many extra shares you’ll get
  • Eligibility: Only shareholders who hold the stock on the record date qualify
  • Value stays the same: Your total investment value doesn’t change. You get more shares, but the share price adjusts accordingly


Examples of bonus share ratios and value impact


Bonus RatioShares heldBonus shares receivedTotal shares after bonusPrice before bonusPrice after bonusTotal valueAverage price after bonus
1:210050150₹300₹200₹30,000₹200
2:1102030₹300₹100₹3,000₹100


Explanation:(First Example Investment amount)


  • Before bonus: 100 shares × ₹300 = ₹30,000
  • After bonus: 150 shares × ₹200 = ₹30,000
  • So, the total value remains the same, only the share price adjusts.


Note: When a company issues bonus shares, its overall market value doesn’t change. No new money comes in; the same value is just divided among a larger number of shares.


How is the average price calculated?

  • Total Value = Shares Held × Price Before Bonus
  • Average Price After Bonus = Total Value ÷ Total Shares After Bonus


Example 1:


  • Total Value = 100 × ₹300 = ₹30,000
  • Average Price = ₹30,000 ÷ 150 = ₹200


Example 2:


  • Total Value = 10 × ₹300 = ₹3,000
  • Average Price = ₹3,000 ÷ 30 = ₹100


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