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Mutual Funds & SIPsUpdated August 2026

Bonus Shares Calculator

Verified by Myat Finance Research Desk100% Client-Side Computation

Key Takeaway

When a company issues 1:1 bonus shares, shareholders receive one free share for every share held. While the number of shares doubles, the stock price adjusts proportionally, keeping total value unchanged.

Bonus Shares Calculator

Calculate post-bonus holdings and ex-bonus price.

Total Post-Bonus Shares

400

Theoretical Ex-Bonus Price

150.00

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Bonus Shares Ratio Valuation Formula

New Shares = Shares * (1 + Bonus / Existing); Ex-Bonus Price = Current Price / (1 + Bonus / Existing)

Calculates adjusted holdings and theoretical stock price adjustments after a bonus share issue.

Worked Example: Holding 100 shares at ₹600 with a 3:1 bonus issue (3 bonus shares for every 1 existing)

Bonus shares received: **300 shares**. Total shares: **400 shares**. Theoretical post-bonus price: **₹150**.

Statutory & Regulatory Framework (FY 2026-27)

Calibrated by Myat Finance Statutory Research Desk

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SEBI & CBDT Statutory Framework (FY 2026-27)

Statutory References: Section 112A, Section 111A, SEBI Mutual Fund Categorization Circulars

Under Section 112A of the Income Tax Act, Long-Term Capital Gains (LTCG) on equity mutual funds held beyond 12 months exceeding ₹1,25,000 in a financial year are taxed at 12.5% plus applicable 4% Health and Education Cess. Short-Term Capital Gains (STCG) on units redeemed within 12 months are subject to 20% tax under Section 111A. Debt mutual fund schemes purchased on or after April 1, 2023, are classified under Section 50AA and taxed strictly at individual income slab rates without indexation benefits.

Compounding Drag & Structural Cost Metrics

Every mutual fund investment incurs an ongoing Total Expense Ratio (TER), capped by SEBI between 0.10% and 2.25% depending on AUM scale. Regular plans include broker distribution commissions (typically 0.5%–1.2% annually), which compound into substantial long-term wealth erosion. Exit loads (typically 1% for redemptions within 365 days) and mandatory 0.005% stamp duty on unit purchases represent additional frictional costs factored into this engine.

Institutional Methodology Note (Bonus Shares Calculator)

Quantitative models project asset growth using monthly compounding: FV = P × [((1 + r)^n - 1) / r] × (1 + r). Realized wealth must always be measured net of capital gains tax liabilities and inflation erosion.

Computational Mechanics & Analytical Calibration

The Bonus Shares Calculator employs deterministic client-side algorithms calibrated against current market conditions and statutory benchmarks under the FY 2026-27 regulatory framework. When executing financial simulations, institutional analysts stress-test capital allocation against three core vectors: interest rate sensitivity, taxation realization horizons (Section 112A/111A/50AA), and compounding transaction friction.

To achieve optimal mathematical precision from this model, input parameters should reflect conservative median estimates rather than optimistic projections. Comparing multi-year intervals reveals non-linear inflection points where compound growth overcomes upfront friction (such as 18% GST on financial charges, depository fees, and brokerage). Full computational amortization matrices can be exported to CSV or saved as executive PDF dossiers for portfolio auditing.

In accordance with sovereign financial publishing standards and institutional governance, all computational formulas undergo quarterly desk audits to verify alignment with Central Board of Direct Taxes (CBDT) notifications, Reserve Bank of India (RBI) master directions, and SEBI circulars for FY 2026-27. All inputs, balances, and calculations run strictly in-browser under client-side confidentiality with zero third-party telemetry.

Bonus Shares: Rewarding shareholders through capitalization of reserves

Karan held 100 shares of a firm trading at ₹600. The company announced a 3:1 bonus issue, issuing 3 bonus shares for every 1 existing share held from its accumulated cash reserves.

Karan received 300 bonus shares, raising his total holdings to 400 shares. The theoretical stock price adjusted to ₹150 per share, keeping his aggregate investment value at ₹60,000.

Bonus issues capitalize company reserves into free shares for investors. Share price adjusts downward in proportion to the bonus ratio.

Like splits, bonus issues do not dilute equity value, but they signal company financial health and commitment to shareholders.

Frequently Asked Questions

What are bonus shares?

Bonus shares are additional free shares given to existing shareholders based on the number of shares they already hold, capitalized from company reserves.

Is a bonus issue the same as a stock split?

Financially, the outcome is similar (more shares, lower price). But legally, a split divides existing capital, whereas a bonus issues new capital from reserves.

How are bonus shares taxed in India?

The acquisition cost of bonus shares is considered zero. When sold, the entire sale value is treated as capital gains based on the holding period.

Fact-Checked & Mathematically Audited

Verified by Myat Finance Research Desk

Our Methodology

The formulas powering this Bonus Shares Calculator are calibrated against standard Indian regulatory frameworks (RBI compounding guidelines, SEBI regulations, and CBDT tax provisions). All mathematical computations run purely in your local browser for 100% data privacy.

Educational model only — not formal investment or tax advice.
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