📚 PASS Research Analyst Certification Examination Difficulty: Beginner ℹ️ Info   ~5 min read
📌 Chapter 8.4 — Basics of Profit and Loss Account (P/L)

You are deep into your quarterly review of a high-growth Indian tech startup that recently listed on the NSE. The reported Basic Earnings Per Share (EPS) looks stellar, showing strong year-on-year growth. However, when you look at the fine print of the notes to accounts, you notice a massive block of Employee Stock Option Plans (ESOPs) and convertible debentures waiting to be exercised.

If you rely solely on Basic EPS, you are effectively ignoring the ‘phantom’ shares that will inevitably increase the denominator in your valuation model, potentially leading to a significantly overvalued target price.

Diluted EPS serves as the ‘worst-case’ scenario for the current equity shareholder. It forces the analyst to assume that all potentially dilutive securities—such as warrants, convertible bonds, or stock options—have already been converted into common equity. By adding these hypothetical shares to the weighted average number of equity shares outstanding, you arrive at a more conservative profit metric. This figure is indispensable because it represents the actual economic claim of existing shareholders if all conversion rights were exercised tomorrow.

Consider an infrastructure firm that has raised capital through Foreign Currency Convertible Bonds (FCCBs). If the stock price rises above the conversion strike price, those bondholders will likely convert their debt into equity. If you fail to account for this in your valuation, your forward P/E ratio will be understated, giving a false impression of the stock’s affordability. As an analyst, you are not just checking accounting compliance; you are conducting a stress test on the value of a single share.

In your financial models, always look for the ‘Treasury Stock Method’ when calculating dilution from options. This method assumes the company uses the proceeds from the exercise of options to buy back shares at the market price, which partially offsets the dilutive impact. By mastering the reconciliation between Basic and Diluted EPS, you move from merely reporting historical data to forecasting the genuine economic reality for your investors.1

Nuance

⚠️ Nuance
Candidates often assume that Diluted EPS is a fixed, backward-looking number, but it is actually a sensitivity tool. The most common pitfall is ignoring the ‘anti-dilutive’ effect; if the conversion of a security actually increases the EPS (perhaps due to the tax savings on interest expense), it must be excluded from the dilution calculation. Always verify the dilutive nature of a security before blindly subtracting it from your valuation metrics.

Check Your Understanding

Practice Question 1

A company reports a net profit of ₹100 crore, 10 crore basic shares, and 2 crore potential shares from convertible debentures. If the interest saved on these debentures (net of tax) is ₹10 crore, what is the Diluted EPS?

Practice Question 2

When evaluating a firm’s EPS, why might an analyst prefer Diluted EPS over Basic EPS for long-term valuation?

This is a companion read for Section 8.4 — Basics of Profit and Loss Account (P/L) from PASS Research Analyst Certification Examination by Akhilesh Gururani, available on Amazon Kindle.

Copyright © 2026 Akhilesh Gururani. All rights reserved.

  1. The Treasury Stock Method calculates the net increase in shares by subtracting the number of shares that could be repurchased with the option proceeds from the total shares issued upon exercise. ↩︎