Grocery Delivery Sales

Grocery delivery did extremely well during the pandemic.
Walmart dominated pre-pandemic but the first few months of lockdowns its market share was eclipsed by Instacart.
As of June 2021 it is back in the lead with 48% share while Instacart has 45%.
Overall online grocery sales peaked in January 2021 and volumes are down 24% to June 2021 (which is -3% YoY).
NB Amazon is excluded.
Source.