Editor’s note: This is general educational information about how a reported accounting figure is constructed. It is not investment advice and it does not concern any particular company or security. It is drawn from the official standards and instruments listed at the end.
Analysis: what the reconciliation note is for
The headline figure is the least informative part of the disclosure. The reconciliations required under IAS 33 are the part a careful reader goes to first, because they separate the three things that can move earnings per share: a change in trading performance, a change in the preference claim ahead of the ordinary shares, and a change in the share count arithmetic.
The antidilutive instrument list is the most underread of the three. It names the options, warrants and convertibles that exist but were kept out of the diluted figure because including them would have raised it. In a loss making period that list can be long, since almost nothing is dilutive against a negative numerator, and the diluted figure will sit flat against basic while the potential claim on future profits grows. A reader comparing two quarters of diluted earnings per share across a swing from loss to profit is not comparing like with like, and the note is where that break is visible.
The denominator reconciliation carries the second signal. A weighted average that lags the closing share count by a wide margin says that issuance happened late in the period, and that the same business result will divide across more shares next time. IAS 33 does not require any of this to be forecast, and the standard establishes only how the past period was measured. What it does establish is that two issuers reporting the same profit on the same share register should report the same figure, which is the comparison the standard was written to make possible.
What the documents say
Earnings per share is the most quoted line in a Canadian quarterly release, and it is also the least improvised. Both halves of the ratio are fixed by an accounting standard that Canadian reporting issuers are required by securities rules to apply. The numerator is not simply net income. The denominator is not simply the number of shares outstanding. Getting either wrong changes the reported figure without changing anything about the business.
The numerator is profit after the preference claim is removed
IAS 33 requires basic earnings per share to be calculated by dividing profit or loss attributable to ordinary equity holders of the parent entity by the weighted average number of ordinary shares outstanding during the period. The phrase attributable to ordinary equity holders does the work. Profit attributable to the parent is adjusted for the after tax amounts of preference dividends, differences arising on the settlement of preference shares, and other similar effects of preference shares classified as equity.
The treatment splits on whether the preferred is cumulative. For non cumulative preference shares, the deduction is the after tax amount of dividends declared in respect of the period. For cumulative preference shares, the deduction is the amount required for the period whether or not the dividends have been declared, and it excludes any arrears from previous periods that happen to be paid or declared in the current one. A company that skips a cumulative preferred dividend therefore still carries the charge through its earnings per share line, which is the opposite of the cash flow intuition.
Several less common transactions also flow through the numerator. Where preference shares are repurchased under a tender offer, the excess of the fair value of the consideration paid over the carrying amount is a charge against profit attributable to ordinary holders. Where an issuer induces early conversion by sweetening the terms, the excess of what it hands over above the fair value of the shares issuable under the original terms is likewise deducted. Where preference shares are settled below their carrying amount, the difference is added back. None of these touch operating performance, and all of them move the reported number.
The denominator moves with time, not with year end
The denominator is a weighted average, and IAS 33 is explicit about why. Using the weighted average reflects the possibility that shareholders’ capital varied during the period. The calculation starts from the shares outstanding at the beginning of the period and adjusts for shares bought back or issued during the period, each multiplied by a time weighting factor equal to the days those shares were outstanding as a proportion of the days in the period.
That mechanic explains a pattern that confuses readers of Canadian earnings releases. A company that closes a large equity financing in the final weeks of a quarter dilutes its share register immediately but barely moves its weighted average for that quarter. The full drag lands in the following period, when the new shares are outstanding for all of it. The reverse is true of a buyback completed late in a year. The share count on the cover of the financial statements and the denominator inside them are different numbers measuring different things.
Diluted earnings per share assumes the conversions happen
Diluted earnings per share adjusts both halves for the effects of all dilutive potential ordinary shares. Convertible instruments are assumed converted, and the numerator is adjusted for the interest or dividends that would no longer be paid.
Options and warrants are handled differently, and the method is worth following closely. The assumed proceeds are regarded as having been received from the issue of ordinary shares at the average market price of ordinary shares during the period. The difference between the number of shares actually issued on exercise and the number that those proceeds would have bought at the average market price is treated as an issue of ordinary shares for no consideration. Only that residual is added to the denominator. Options are dilutive only when the average market price during the period exceeds the exercise price, which is to say only when they are in the money, and previously reported earnings per share are never restated for later share price moves.
The standard also forces an ordering. Instruments are considered from the most dilutive to the least, and options and warrants generally come first because they do not affect the numerator. An instrument that would raise earnings per share is antidilutive and is excluded. Convertible preference shares are antidilutive whenever the dividend they carry per share obtained on conversion exceeds basic earnings per share, and convertible debt is antidilutive on the equivalent interest test. This is why a heavily convertible capital structure can report diluted earnings per share equal to basic in a weak quarter and sharply below it in a strong one.
The Canadian filing rules that make this mandatory
IAS 33 applies to the financial statements of an entity whose ordinary shares or potential ordinary shares are traded in a public market, and to an entity that files, or is in the process of filing, its statements with a securities commission for the purpose of issuing ordinary shares in a public market. In Canada that reach is made concrete by National Instrument 52-107, which requires the financial statements of a reporting issuer to be prepared in accordance with Canadian GAAP applicable to publicly accountable enterprises and, for annual statements, to contain an unreserved statement of compliance with IFRS.
National Instrument 51-102 sets the clock. Audited annual financial statements must be filed by a reporting issuer other than a venture issuer on or before the 90th day after its financial year end, and by a venture issuer on or before the 120th day. Interim financial reports are filed for each interim period, and an interim report that an auditor has not reviewed must carry a notice saying so. Interim reports prepared under Canadian GAAP applicable to publicly accountable enterprises are governed by International Accounting Standard 34, which sets a lighter disclosure bar than the annual standard.
IAS 33 also carries presentation obligations that readers can use. Basic and diluted amounts are presented for every period for which a statement of comprehensive income is presented, and once diluted is reported for one period it is reported for all of them even where it equals basic. Both are presented even when the amounts are negative. An entity must disclose the amounts used as numerators and reconcile them to profit attributable to the parent, disclose the weighted average share counts used as denominators and reconcile them to each other, and list the instruments that were excluded because they were antidilutive for the periods presented.
