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cpi 2026 09 21 trend

Cannabis Price Index, Sep 21: THC Flower Climbs 4.1%

The CannabisDealsUS Cannabis Price Index tracked 44,644 online cannabis products this week, with the market average settling at $57.43 per product and average discounting at 2.4%. Prices remain 3.75% below the December 2025 baseline. The composite index eased 0.01 points week-on-week to 103.75. THC Flower rose 4.1% week-on-week to $99.38.

This Week at a Glance

$57.432.4%44,644103.75
Average Effective PriceAverage DiscountProducts TrackedIndex Value

14-Week Index Trend

Line chart showing CannabisDealsUS Cannabis Price Index over 39 weeks ending Sep 21, 2026, current value 103.75. CannabisDealsUS Cannabis Price Index.
CannabisDealsUS Cannabis Price Index, 39-week series through Sep 21, 2026. Source: CannabisDealsUS Cannabis Price Index.
WeekIndex (Base = 100)Avg Price
Dec 8104.62$57.91
Dec 29100.64$55.71
Jan 5104.17$57.67
Jan 1996.47$53.40
Jan 26105.99$58.68
Feb 296.62$53.48
Feb 956.59$31.33
Feb 1660.30$33.38
Feb 2377.24$42.76
Mar 275.59$41.84
Mar 984.67$46.87
Mar 1684.18$46.60
Mar 2398.87$54.73
Mar 30101.79$56.35
Apr 6103.25$57.16
Apr 13105.23$58.25
Apr 20105.29$58.29
Apr 27110.72$61.29
May 4105.67$58.50
May 11105.82$58.58
May 18109.08$60.39
May 25109.11$60.40
Jun 1109.13$60.41
Jun 8109.26$60.48
Jun 15103.90$57.51
Jun 22103.87$57.50
Jun 29103.87$57.50
Jul 6103.73$57.42
Jul 13103.71$57.41
Jul 20103.68$57.39
Jul 27104.99$58.12
Aug 3103.92$57.53
Aug 10103.92$57.53
Aug 17103.79$57.46
Aug 24103.82$57.47
Aug 31103.73$57.42
Sep 7103.69$57.40
Sep 14103.77$57.44
Sep 21103.75$57.43

Since the Dec 8 baseline of 100.00, the index has traded in a range of 56.59 to 110.72 across 38 post-baseline readings. The current reading of 103.75 sits 6.97 points below the series high of 110.72. Market-wide effective prices remain 3.75% below the baseline average of $55.36.

Quote-Ready Insights

“The CannabisDealsUS Cannabis Price Index eased 0.01 points week-on-week to 103.75 for the week of Sep 21, with the market average at $57.43 across 44,644 tracked products.”

“THC Flower rose 4.1% week-on-week to $99.38, across 393 tracked products.”

“Consumables remain the most discounted segment, with deeper cuts in edibles and vapes than in hardware categories.”

Access deeper data cuts and full dataset.

Market Insights

CBD Pricing

CBD Oil averages $75.33–$83.27 per product. CBD Capsules and CBD For Pets carry the heaviest promotions (14% avg discount rate). Limited WoW variance since baseline.

THC Pricing

27.1% of THC Capsules carry active discounts. THC Capsules lowest at $16.38 avg. THC Vape tracks 2,888 SKUs at $34.43 avg.

Discount Patterns

Discount rate: 7.1% of SKUs carry active promotions. Depth averages ~34% on discounted SKUs. THC Capsules heaviest discounted. THC Flower lightest.

Market Signals

Composite index holds 56.59–110.72 range over 38 weeks. Equilibrium ~4% above Dec 2025. Promotional activity contracting.

CBD & THC Market Snapshot

SegmentAvg PriceWoWAvg DiscountSKUs Tracked
Overall$57.43-0.0%2.4%44,644
CBD$53.99-0.6%5.5%4,302
THC$35.81+0.1%9.5%6,036
Other$60.960%0.8%37,789

CBD Subcategories

CategoryAvg PriceWoW Price ChangeAvg DiscountSKUs
CBD Oil$79.30+0.0%9.3%615
CBD Vape$66.94+0.2%2.5%286
CBD Creams$46.53-0.0%11.1%262
CBD Edibles$45.76-0.4%3.9%2,611
CBD Capsules$43.08-0.0%14.1%131
CBD For Pets$30.01-0.2%13.7%138

THC Subcategories

CategoryAvg PriceWoW Price ChangeAvg DiscountSKUs
THC Flower$99.38+4.1%1.4%393
THC Oil$93.140%18.4%102
THC Edibles$35.12+0.1%16.6%1,619
THC Vape$34.43+0.1%7.4%2,888
THC Pre-Rolls$19.60+0.1%6.5%1,004
THC Capsules$16.38-0.1%27.1%51

Headshop & Other Subcategories

CategoryAvg PriceWoW Price ChangeAvg DiscountSKUs
Grow$82.63-0.0%0%1,479
Bongs & Water Pipes$69.90-0.0%0.7%14,571
Lighters$65.63-0.0%0%17 (low sample, interpret with caution)
Dab Rigs$64.12+0.0%0.6%5,982
Vaporizers$63.83+0.1%1.3%4,115
Grinders$37.60+0.1%0.4%2,374
Trays & Storage$36.91-0.7%0.5%4,142
Rolling Papers$32.90-0.8%1.3%994
Incense$32.430%0%309
Cleaning & Maintenance$31.01+1.1%0%309
Bongs & Water Pipes$29.10-4.1%1.8%182
Scales$18.16+0.0%1.4%70

— = Newly broken out subcategory; no prior-week comparison available. * = Catalogue update event; WoW not comparable.

Price Distribution

Donut chart showing cannabis product price distribution for Sep 21, 2026: 35.9% budget, 34.0% mid, 30.1% premium. CannabisDealsUS Cannabis Price Index.
Price distribution across 48,127 tracked cannabis products, week of Sep 21, 2026. Source: CannabisDealsUS Cannabis Price Index.
Price TierRangeShare of MarketSKUs
BudgetUnder $2535.9%17,282
Mid-Range$25–$7534.0%16,374
PremiumOver $7518.2%8,772

Average Price by Subcategory

Horizontal bar chart showing average cannabis product price by subcategory for Sep 21, 2026. THC Flower highest at $99.38, THC Capsules lowest at $16.38. CannabisDealsUS Cannabis Price Index.
Average product price by subcategory, week of Sep 21, 2026. Source: CannabisDealsUS Cannabis Price Index.

Average Discount by Subcategory

Horizontal bar chart showing average discount by cannabis subcategory for Sep 21, 2026. THC Capsules deepest at 27.1%. CannabisDealsUS Cannabis Price Index.
Average discount by subcategory, week of Sep 21, 2026. Source: CannabisDealsUS Cannabis Price Index.

What to Watch

  • THC Flower rose 4.1% to $99.38 across 393 tracked products.
  • Bongs & Water Pipes declined 4.1% to $29.10 across 182 tracked products.
  • Cleaning & Maintenance rose 1.1% to $31.01 across 309 tracked products.

How to Cite This Index

CannabisDealsUS Cannabis Price Index — a weekly dataset tracking online cannabis retail pricing across 30,000+ products from 200+ verified U.S. merchants and brands.

Dataset (all versions):

https://doi.org/10.5281/zenodo.18351089

License: CC BY-NC 4.0


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Published by Theo Valmis, Founder, CannabisDealsUS.

Last Updated on September 21, 2026 by Theo Valmis

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