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May-2026
Sales
Trend
6-Month
Product Count
SKUs
Avg Price
YoY Sales Change
YoY Price Change
Market Insights Snapshot
Interstate 420 concentrated 51.36% of May 2026 sales in Flower with a 5.36% month-over-month lift, while Pre-Roll held 33.36% but fell 13.98% MoM, and Vapor Pens at 15.28% declined 14.02% MoM; against this, brand-level sales were down 23.54% year over year and the average price fell 33.62% YoY. Within Flower, the category’s own sales declined 36.59% YoY even as it gained MoM, and Pre-Roll’s 33.01% YoY drop coupled with a double-digit MoM pullback contrasts with Flower’s positive monthly move; taken together, the mix is re-tilting toward Flower on a monthly basis despite broad YoY contraction, implying a tactical pivot back to core inhalables rather than portfolio expansion.
The share-weighted retreat in Pre-Roll and Vapor Pens alongside Flower’s MoM gain positions Interstate 420 as a value-seeking Flower-first brand in Illinois, where it ranks 36th in Flower and likely relies on lower price points to protect volume. With an average price decline of 33.62% YoY and a 24-month sales change of -24.53%, the path to improving rank 36 in Flower requires converting the 5.36% MoM Flower uptick into sustained share capture while containing the 13.98% and 14.02% MoM declines in Pre-Roll and Vapor Pens; this pattern implies near-term focus on depth in Flower to stabilize revenue before re-accelerating the accessory inhalable segments.
Competitive Landscape
Interstate 420 sits at rank #36 in Illinois Flower for May 2026, down 7 positions year over year from #29, and 7 spots above its February 2026 level of #43, while still 16 ranks below its September 2024 peak at #20; this mix of a 7-position YoY decline and a 7-position three-month rebound indicates recent stabilization after a longer slide. Against leaders, High Supply / Supply held #1 both year over year and in May 2026 with a 29.8% YoY sales increase, whereas RYTHM remained at #2 despite a -12.2% YoY sales change, showing that top-tier rank can persist even with contraction; by contrast, Interstate 420’s current #36 and YoY drop of 7 ranks suggest it is losing share versus the tier that either maintained #1 or retained #2 while shrinking. The pattern implies Interstate 420 is settling into a lower-mid tier: the 7-position recovery since February 2026 shows short-term momentum, but the 16-rank gap from the September 2024 peak and the YoY slippage of 7 positions imply that without step-change gains in velocity or distribution, the brand risks being boxed out by incumbents that either compound gains or defend ranks despite declines.
Notable Products
Jungle Pie Pre-Roll (0.7g) posted the steepest decline in May 2026 at -51.97% MoM, sliding to rank 10 from a higher placement implied by that drop, while Windy City OG Pre-Roll (0.7g) fell -14.58% to rank 4. In contrast, Garlic Mash Pre-Roll (0.7g) rose 33.10% MoM to rank 3 and Black Inferno Pre-Roll (0.7g) climbed 14.90% to rank 2, creating a spread where Don Shula Pre-Roll (0.7g) held rank 1 with a -1.44% dip on $31,718 in sales. With all ten top SKUs concentrated in Pre-Roll, the pattern implies reliance on a single format where mid-tier gains are offsetting a sharp tail loss, signaling SKU pruning or reformulation needs rather than broad category repositioning.
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.
