Diluted EPS
Diluted EPS adjusts the basic earnings per share to account for all potential equity shares that could be created through the conversion of securities such as ESOPs, warrants, and convertible instruments.
While basic EPS divides profit by currently outstanding shares, diluted EPS uses a hypothetical fully diluted share count — what the share count would be if every option, convertible note, and warrant were exercised today. This makes it the more conservative and analytically complete measure of per-share profitability.
In India, the relevance of diluted EPS has grown significantly as employee stock option plans (ESOPs) became a standard part of compensation packages, especially in technology and new-age companies. Firms like Infosys, Wipro, and later Zomato and Nykaa issued ESOPs generously to attract and retain talent. When these options are in-the-money — meaning the market price exceeds the exercise price — they are included in the diluted share count, which can reduce diluted EPS materially compared to basic EPS.
Consider a scenario where a mid-cap software company reported basic EPS of ₹20 but had a large tranche of in-the-money ESOPs outstanding. Its diluted EPS might have worked out to ₹17 or ₹18 once potential option exercise was factored in. If the market were pricing the stock at a P/E of 30x, using basic EPS versus diluted EPS would produce a valuation difference of hundreds of crores for larger companies.
A common oversight among retail investors in India is reading only the headline EPS figure without checking whether it is basic or diluted. Annual reports under Ind AS (specifically Ind AS 33) require companies to disclose both figures, and the notes to the financial statements detail the number and exercise price of outstanding options. For companies with convertible preference shares or foreign currency convertible bonds (FCCBs) — instruments that were popular in the 2000s — the dilution from conversion can be substantial.
The difference between basic and diluted EPS is also a signal of management's generosity with stock-based compensation. A widening gap over successive years may indicate an increasing dilution burden on existing shareholders, even if absolute profits are growing.