What is the price-to-sales ratio and what does it mean? Part 1 | Analysis by @MichaelMOTTCM The price-to-sales (P/S) ratio compares what the market pays for a company with the revenue it generates: market capitalisation divided by total revenue, or share price divided by revenue per share. It is often used for companies that are not yet consistently profitable, where earnings-based multiples are not meaningful. For investors, it matters because the multiple level reflects how much future revenue growth, margin expansion, and cash generation are already assumed in a valuation, and revenue has little value unless it can eventually be converted into earnings and free cash flow. How the price-to-sales ratio is calculated The P/S ratio divides a company’s market capitalisation by its total revenue, or equivalently its share price by revenue per share. A company with a market capitalisation of $1 billion and $1 billion in revenue trades at 1x sales; with the same revenue and a $10 billion market capitalisation, it trades at 10x sales. What different P/S levels mean At 1x, the company’s market capitalisation equals one year of its revenue; at 5x, it equals five times annual revenue. All else being equal, a higher multiple generally requires stronger growth or profitability to justify the valuation. A company trading at 10 or 20 times sales is not necessarily overvalued, but its growth prospects, margins, and cash generation need to be considered when comparing it with one trading at 2 or 3 times sales. A forward P/S can rise without the share price moving A trailing P/S uses the most recent fiscal-year or trailing-12-month revenue; a forward P/S uses analysts’ revenue estimates for the next fiscal year or the next 12 months. Because forward ratios rely on estimates, they change as guidance and forecasts are revised: if the market value is unchanged and revenue estimates are cut, the forward multiple rises. Why companies can trade at different P/S multiples Profit margins, revenue quality and growth expectations shape the multiple. Companies with lower margins can trade at lower price-to-sales ratios, while businesses with higher margins or stable, recurring revenue can command higher ones. For example, compare a supermarket chain with billions in revenue and thin margins with a subscription software company with less revenue but higher operating margins. Comparisons are most useful against direct peers in the same sector. CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 79.75% of retail investor accounts lose money when trading CFDs. You should consider whether you understand how CFDs work and whether you can afford to take the high risk of losing your money.