Market Analysis
Part of Omnichannel retail business models
Comparing online growth with total retailer growth
Compare online and total retailer sales on matched definitions, calculate the change in mix, and avoid treating channel growth as new demand.
Online sales can outpace a retailer’s total sales: online is only part of the business and may start from a smaller base. Align the reporting period and each measure’s definition before comparing rates. Faster online growth shows a changing reported sales mix, not proof that online activity created the retailer’s total growth.
Match the measures
Find the retailer’s stated online or eCommerce sales measure and the total measure for comparison. Check banner, country, segment, accounting basis and dates. A label such as “eCommerce” may include services or products a casual reading would miss. If boundaries differ, report rates side by side; do not calculate a precise online contribution to the total.
Coles Group’s 2026 third-quarter sales results, released through the ASX, are a dated Australian retailer disclosure. Before comparing an online sales measure with a broader measure, use that release’s definitions and periods directly.
Key Metrics from ABS and ASX Sources
- ABS Retail Trade Australia Methodology (Jun 2025)https://www.abs.gov.au/methodologies/retail-trade-australia-methodology/jun-2025
- ABS Retail Trade Australia Latest Releasehttps://www.abs.gov.au/statistics/industry/retail-and-wholesale-trade/retail-trade-australia/latest-release
- ABS Monthly Household Spending Indicator Methodology (Jan 2026)https://www.abs.gov.au/methodologies/monthly-household-spending-indicator-methodology/jan-2026
Use amounts to describe a matched change
Consider a hypothetical retailer with compatible measures. First period: online sales $100, other sales $900, total $1,000. Second period: online sales $150, other sales $950, total $1,100.
Online growth is 50%; total growth is 10%. Of the $100 increase in recorded total sales, $50 sits in the online component.
| Measure in the illustration | First period | Second period | Change |
|---|---|---|---|
| Online sales | $100 | $150 | +$50 |
| Other sales | $900 | $950 | +$50 |
| Total sales | $1,000 | $1,100 | +$100 |
Online share rises from 10% to about 13.6%. For a real retailer, calculate that share only when the published numerator and denominator have compatible boundaries and bases.
Read the result within its limits
A rising online share can occur while total sales grow, stay flat or fall. It may reflect purchases moving between channels as well as additional demand. Prices, average order size and product mix can shift dollar sales without matching movement in order or unit counts. Check those measures if the decision depends on customer behaviour or operating capacity.
Do not extend a retailer comparison with an unrelated Australian industry series. The ABS’ Monthly Household Spending Indicator is derived from bank, supermarket and new vehicle sales data; its scope differs from Retail Trade turnover estimates for retail businesses. Neither is an individual retailer’s online-sales series.
