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2026 Holiday Ecommerce Forecast: 8% Growth and Seller Takeaways

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U.S. holiday ecommerce is set to grow again in 2026, and operators who wait until October to plan will already be late. In 5 Predictions for 2026 Holiday Shopping, Practical Ecommerce estimates that U.S. online holiday sales from November 1 through December 31 will rise about 8% versus the same window last year. That is faster than last season’s Adobe-reported gain and faster than the National Retail Federation’s current full-year retail outlook. For founders, marketers, and marketplace sellers in New York and across the United States, the number is a planning input, not a victory lap: demand should be there, but how shoppers find, pay for, and receive orders is still shifting.

What the forecast actually says

The 8% figure is a holiday-window forecast, not a full-year ecommerce call. Practical Ecommerce, which has published holiday predictions since 2013, is projecting growth for U.S. online sales between November 1 and December 31. The piece is framed as five predictions for 2026 holiday shopping. The first, and the one with hard numbers in the source, is that ecommerce grows 8%.

Last year’s baseline is already large. Adobe reported that consumers spent $257.8 billion online with U.S. merchants during the 2025 holiday season, up 6.8%. An 8% lift on a similar holiday window would mean another year of expansion on top of that base. The author also points to a more recent pulse: ecommerce purchases from U.S. sellers during the four-day June 2026 Prime Day event rose 9.3%. That midyear event is not the same as November and December, but it is one reason the forecast sits above last year’s holiday growth rate.

The National Retail Federation has not yet issued a 2026 holiday forecast. It does expect full-year retail sales — online and brick-and-mortar combined — to increase 4.4%. That is above the 3.6% average annual growth of the past 10 years, excluding the pandemic period. Practical Ecommerce’s logic is straightforward: if overall retail improves, ecommerce should too, and an 8% holiday ecommerce gain would outpace both last year’s online holiday performance and NRF’s full-year retail prediction.

The same article says U.S. and global holiday ecommerce sales should grow year over year in 2026, shaped by AI referrals, flexible payments, cross-border orders, and Amazon’s fluctuating marketplace share. Those are directional themes, not quantified forecasts in the text used here. The author also notes that the Christmas season remains important for online merchants.

These figures are national and, in the opening frame, global. The source does not break out New York City or New York State holiday ecommerce. For NYC operators, the usual read-through still applies: a stronger national holiday online season tends to show up in ad auctions, warehouse capacity, carrier transit times, and marketplace competition that New York sellers already feel first.

What it means for online retailers

An 8% holiday lift sounds modest next to the pandemic years, but it is not small when last year’s U.S. holiday online spend was already $257.8 billion. Growth on that base still moves a lot of orders through the same peak-season bottlenecks: paid media, inventory, labor, and last-mile delivery. If NRF is right that full-year retail is running hotter than its 10-year non-pandemic average, stores will also be competing for the same shoppers and the same seasonal staff.

The Prime Day comparison matters for operators who treat Amazon events as a demand preview. A 9.3% rise in ecommerce purchases from U.S. sellers during that four-day June window is not a guarantee for the fourth quarter, but it is consistent with shoppers who still buy online when the offer is clear. It also reminds marketplace sellers that Amazon’s share is one of the variables the forecast flags as still in motion.

AI referrals, flexible payments, and cross-border orders are named as forces that will shape the season. Without more detail from the source, the operator takeaway is not to chase every new channel. It is to assume discovery, checkout, and destination of the order may look different than they did even last November. If more traffic arrives from AI-assisted shopping, product data, return policy, and shipping promise have to stand on their own. If more carts use installments or other flexible payment, average order value and cancellation risk can move together. If more orders cross a border, landed cost and delivery dates become part of conversion, not just operations.

For New York online retailers, none of that requires a local statistic. National holiday growth usually tightens the same constraints NYC operators already manage: expensive storage, competitive digital media, and customers who compare a brand site with Amazon and other marketplaces before they buy.

This article is educational and is not legal, tax, or financial advice.

Practical takeaways for peak season

Plan against an 8% holiday ecommerce environment, not a flat year and not a boom. Use last year’s November 1 through December 31 results as the base, then stress-test inventory, cash, and ad spend at roughly that growth rate. If you grew much faster or slower than Adobe’s 6.8% holiday 2025 benchmark, adjust from your own run rate rather than from the national headline.

  • Update the plan when NRF publishes a holiday number. The 4.4% full-year retail outlook is useful context, but it mixes stores and websites. Keep your peak-season plan tied to online demand, promo calendar, and fulfillment capacity.
  • Treat midyear marketplace signals as a check, not a budget. The 9.3% Prime Day lift is a data point. Use it to ask whether your offer, creative, and inventory can absorb a similar surge.
  • Lock the Christmas window now. The source is explicit that the Christmas season remains important. Creative, email, and inventory decisions for mid-November through late December should not wait for the first cold week in New York.
  • Assign owners to the four named forces. Put AI-assisted discovery, payment flexibility, cross-border demand, and Amazon share on a short internal list so they do not become December surprises.

If you want to compare notes with other NYC operators before peak, contact the New York eCommerce Forum.

Source: Practical Ecommerce, 5 Predictions for 2026 Holiday Shopping.