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Sep-2026
Sales
Trend
6-Month
Product Count
SKUs
Avg Price
YoY Sales Change
YoY Price Change
Where to Buy
Interstate 420 is stocked at 90 licensed dispensaries across Illinois, with the deepest coverage in Chicago, Springfield, Quincy, Addison, and Bourbonnais. Search by ZIP code or city below to find the closest one, or filter by product type if you are after a specific format.
Market Insights Snapshot
Interstate 420 concentrated 41.42% of September 2026 sales in Pre-Roll while Flower accounted for 36.76% and Vapor Pens 21.81%, with Pre-Roll up 6.49% month over month but down 25.77% year over year. Flower contracted sharply at -27.38% MoM and -65.16% YoY, while Vapor Pens declined 5.34% MoM yet expanded 50.50% YoY; combined with an 18.25% YoY drop in average price and a brand-level -43.12% YoY sales change, this mix signals an ongoing pivot away from higher-priced Flower toward steadier Pre-Roll and structurally growing Vapor Pens.
Within Pre-Roll, Interstate 420 held rank 18 in Illinois, pairing a 6.49% MoM gain with a 25.77% YoY slide, while Vapor Pens’ 50.50% YoY growth and 5.34% MoM dip suggest momentum that is episodically volatile relative to Flower’s -27.38% MoM contraction and -65.16% YoY drag. With Pre-Roll at an 11.23 average price versus 34.84 in Flower, the mix shift and price compression imply a value-leaning positioning where sustaining rank in Illinois Pre-Roll and selectively scaling Vapor Pens can offset Flower attrition and stabilize the overall -57.61% 24-month trend.
Competitive Landscape
Interstate 420 sits at rank #18 in IL Pre-Roll in September 2026, down 5 positions year over year from #13, with rank flat versus June 2026 at #18; by contrast, RYTHM held #1 both year over year and currently with a 10.3% sales lift, while Dogwalkers remained at #2 despite a 15.6% sales decline. The brand’s distance from its peak of #10 in July 2025 to #18 now represents an 8-rank slide, while rival Anthem moved up from #15 to #4 alongside a 572.8% sales increase; meanwhile, High Supply / Supply drifted from #4 to #5 amid a 14.4% sales drop. The pattern implies Interstate 420 is losing relative share to faster-moving competitors concentrated in the top 5, suggesting the current rank trajectory risks entrenchment in the mid-to-lower tier unless mix or pricing changes alter momentum.
Notable Products
Jungle Pie Pre-Roll (1g) posted the steepest decline in September 2026 at -19.8% MoM, slipping to rank 4 while Mac Daddy Pre-Roll (1g) fell -16.8% MoM at rank 5, and Royal Gorilla Pre-Roll (1g) contracted -24.3% MoM at rank 6. Eight of the top ten are Pre-Roll SKUs, yet the lone Vapor Pens entry, Black Inferno Cured Resin Cartridge (1g), sits at rank 8 with a single-SKU anchor worth $20,006, indicating an assortment dominated by Pre-Rolls even as a premium cartridge holds a mid-table beachhead. The pattern implies Interstate 420 is leaning into breadth across Pre-Rolls while treating Vapor Pens as a focused pillar, which could shift mix risk if Pre-Roll volatility (-24.3% to -16.8% MoM in key SKUs) persists.
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.
