Jun-2026
Sales
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6-Month
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Avg Price
YoY Sales Change
YoY Price Change
Market Insights Snapshot
Interstate 420 concentrated 51.68% of June 2026 sales in Flower and 33.92% in Pre-Roll, leaving 14.39% in Vapor Pens; within that mix, Flower fell -27.65% year over year and -7.95% month over month, while Pre-Roll declined -31.70% YoY and -1.70% MoM. Vapor Pens contracted -6.83% MoM with no year-over-year baseline, and the brand’s average price dropped -18.94% YoY against a -17.43% YoY sales decline, implying that price reductions did not prevent share from tilting toward lower-price formats. With Flower ranked 34 in Illinois, the mix skews toward categories posting double-digit YoY contractions, which implies portfolio weight is anchored in segments currently under pressure.
The pattern suggests Interstate 420 is migrating toward value-led positioning: Pre-Roll’s share at 33.92% alongside an average price of $9.61 and Flower’s -7.95% MoM drop versus Vapor Pens’ -6.83% MoM signal consumer trade-down within inhalables. Given the -18.94% YoY price cut outpacing the -17.43% YoY sales decline and Flower’s 51.68% share paired with a -27.65% YoY slump, the brand’s reliance on discounted Flower is compressing revenue while not expanding rank beyond 34 in Illinois; this implies the current discount-led mix is eroding pricing power faster than it captures incremental volume.
Competitive Landscape
Interstate 420 sits at rank #34 in Illinois Flower for June 2026, slipping 2 spots year over year from #32 while improving 4 positions since March 2026 from #38, and it remains 14 places below its September 2024 peak at #20. Against this backdrop, High Supply / Supply held #1 year over year with +32.1% sales growth, while RYTHM stayed at #2 despite a -5.2% sales decline, indicating Interstate 420’s -2 rank delta YoY is underperforming the upward mobility shown by peers like Good Green moving from #4 to #3 and &Shine rising from #10 to #5. The pattern implies a stalled mid-pack position: modest quarter-on-quarter recovery from #38 to #34 is not offsetting a two-spot annual slide, so without rank-accretive moves Interstate 420 risks further drift away from the top-20 cohort it last touched in September 2024.

Notable Products
Garlic Mash Pre-Roll (0.7g) posted the steepest movement in June 2026 with a -62.2% month-over-month drop while sitting at rank 9, outpacing the -46.6% decline for the rank-1 Windy City OG Pre-Roll (0.7g). Windy City OG Pre-Roll (1g) held rank 2 despite unavailable MoM data, and nine of the top 10 SKUs are Pre-Rolls, concentrating Interstate 420’s mix in one format. The pattern implies a pivot risk where top spots are maintained by breadth across Pre-Roll SKUs rather than sustained velocity in any single size or strain.
Top Selling Cannabis Brands
Data for this report comes from real-time sales reporting by participating cannabis retailers via their point-of-sale systems, which are linked up with Headset’s business intelligence software. Headset’s data is very reliable, as it comes digitally direct from our partner retailers. However, the potential does exist for misreporting in the instance of duplicates, incorrectly classified products, inaccurate entry of products into point-of-sale systems, or even simple human error at the point of purchase. Thus, there is a slight margin of error to consider. Brands listed on this page are ranked in the top twenty within the market and product category by total retail sales volume.







