Sis Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Sis sales on Amazon US totaled 4,550 units in July 2026 (▼ 8.1% vs. the prior month), generating an estimated $175,735 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 85.7% of unit volume and 82.8% of revenue, while a typical listing is priced at $33.82. The keyword itself pulled 50,447 Amazon queries over the same period (▲ 8.5% MoM).
Zooming out to the 12-month window ending July 2026, the sis Top 50 moved 26,400 units and $978,052 in cumulative sales — an average of 2,200 units and $81,504 per month. Monthly throughput topped out at 4,950 units in June 2026 and dipped to 950 in February 2026, leaving the latest reading 184.4% higher than August 2025.
Sis Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
4.5K
▼ 8.1% MoM
Monthly Revenue 2026/07
$175.7K
▼ 9.6% MoM
Top 10 Market Share 2026/07
85.7%
Sis Market Share & Sales Concentration on Amazon US — July 2026
The most-sold sis listing on Amazon US in July 2026 is ASIN B09QXC1V3S (Brand: Science in Sport), which sold 800 units at $16.99 apiece — equal to 17.6% of every unit tracked in this report and 33% ahead of the No. 2 listing.
The Top 10 ASINs account for 3,900 units and $145,592 in July 2026 — 85.7% of unit volume and 82.8% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Sis' on Amazon
July 2026
 + 3 Extra Photocards Set (ASIN B0G5PN1XNK), rank #4 by monthly sales volume for 'Sis' on Amazon](https://m.media-amazon.com/images/I/516r2Zf-8TL._AC_UY512_.jpg)
 + 3 Extra Photocards Set (ASIN B0G5PPM848), rank #6 by monthly sales volume for 'Sis' on Amazon](https://m.media-amazon.com/images/I/516WnvnCM1L._AC_UY512_.jpg)
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Top 5 Volume Share breakdown
B09QXC1V3S
SiS BETA Fuel Dual-Source Isotonic Energy Gel, Orange, 6-Pack | Science in Sport Fast-Absorbing Carbohydrate Energy, 1:0.8 Maltodextrin to Fructose Ratio, 40g Carbs, Exercise Over 90 Min
800
▼ 20.0%vs. prior month
$13.6K
latest month
12-month trend
B01N9076DP
SiS GO Isotonic Energy Variety Pack, 2 Fl Oz (Pack of 6)
600
▲ 20.0%vs. prior month
$13.6K
latest month
12-month trend
B01MTNWM7Q
SiS GO Isotonic Energy Gel, 22g Carbs, 2 Fl Oz Gels, Lemon & Lime, 30 Count | Science in Sport 22g Fast-Acting Liquid Carbohydrate Gel, Instant Energy & Endurance, Natural Flavors, Vegan Sports Nutrition
500
▼ 37.5%vs. prior month
$26.9K
latest month
12-month trend
B0G5PN1XNK
KATSEYE [1st EP Album SIS SOFT IS STRONG](STRONG Ver) + 3 Extra Photocards Set
500
▲ 0.0%vs. prior month
$14.4K
latest month
12-month trend
B01N419CJO
SiS GO Isotonic Energy Gel, 22g Carbs, 2 Fl Oz Gels, Orange, 30 Count | Science in Sport 22g Fast-Acting Liquid Carbohydrate Gel, Instant Energy & Endurance, Natural Flavors, Vegan Sports Nutrition
400
▼ 20.0%vs. prior month
$21.5K
latest month
12-month trend
B0G5PPM848
KATSEYE [1st EP Album SIS SOFT IS STRONG](SOFT Ver) + 3 Extra Photocards Set
300
▲ 50.0%vs. prior month
$10K
latest month
12-month trend
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Best Sis Brands on Amazon US — Top 2 Brand Sales Concentration (July 2026)
Science in Sport is the best-performing sis brand in July 2026, moving 3,100 units across 8 ASINs for 79.5% of Top 10 volume. KPOP HEAVEN follows with 800 units (20.5%).
With 2 brands splitting the Top 10 and 100.0% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $33.20 to $51.19, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Science in Sport
8 ASINs in Top 10
79.5%
Units
3.1K
Revenue
$121.2K
Avg. price
$51.19
B09QXC1V3S
$16.99·★4.7·77 revsSiS BETA Fuel Dual-Source Isotonic Energy Gel, Orange, 6-Pack | Science in Sport Fast-Absorbing Carbohydrate Energy, 1:0.8 Maltodextrin to Fructose Ratio, 40g Carbs, Exercise Over 90 Min
Units sold800B01N9076DP
$22.56·★4.4·2.7K revsSiS GO Isotonic Energy Variety Pack, 2 Fl Oz (Pack of 6)
Units sold600B01MTNWM7Q
$53.99·★4.6·445 revsSiS GO Isotonic Energy Gel, 22g Carbs, 2 Fl Oz Gels, Lemon & Lime, 30 Count | Science in Sport 22g Fast-Acting Liquid Carbohydrate Gel, Instant Energy & Endurance, Natural Flavors, Vegan Sports Nutrition
Units sold500B01N419CJO
$53.99·★4.6·648 revsSiS GO Isotonic Energy Gel, 22g Carbs, 2 Fl Oz Gels, Orange, 30 Count | Science in Sport 22g Fast-Acting Liquid Carbohydrate Gel, Instant Energy & Endurance, Natural Flavors, Vegan Sports Nutrition
Units sold400B00T82M892
$32.99·★4.4·5.6K revsScience in Sport 60 ml Energy Gel Variety - Pack of 7 | Fast-Acting Isotonic Carbohydrate Gels, 22g Energy per Sachet, No Need for Water, On-the-Go Endurance Fuel
Units sold300B076MP37VQ
$53.99·★4.5·292 revsSiS GO Isotonic Energy Gel, 22g Carbs, 2 Fl Oz Gels, Cherry, 30 Count | Science in Sport 22g Fast-Acting Liquid Carbohydrate Gel, Instant Energy & Endurance, Natural Flavors, Vegan Sports Nutrition
Units sold200B0GKB797JP
$90.99·★4.1·36 revsSiS BETA Fuel + Electrolyte Gels, 40g Carbs, Raspberry & Lemon, 30 Count | Science in Sport Dual-Source Energy Gel with 1:0.8 Maltodextrin to Fructose Ratio, 40g Carbs & Sodium, Exercise Over 90 Min
Units sold200B0GKBPPRG8
$83.99·★4.8·92 revsSiS BETA Fuel Dual-Source Isotonic Energy Gel, Neutral, 30-Pack | Science in Sport Fast-Absorbing Carbohydrate Energy, 1:0.8 Maltodextrin to Fructose Ratio, 40g Carbs, Exercise Over 90 Min
Units sold100
KPOP HEAVEN
2 ASINs in Top 10
20.5%
Units
800
Revenue
$24.4K
Avg. price
$33.20
B0G5PN1XNK
$33.20·★4.6·45 revsKATSEYE [1st EP Album SIS SOFT IS STRONG](STRONG Ver) + 3 Extra Photocards Set
Units sold500B0G5PPM848
$33.20·★5.0·42 revsKATSEYE [1st EP Album SIS SOFT IS STRONG](SOFT Ver) + 3 Extra Photocards Set
Units sold300
Trending Sis Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B0GKBPPRG8 booked 100 units at $83.99, with ▲ 0.0% MoM change. On the growth side, B0GKB797JP leads positive momentum with ▲ 100.0% MoM growth on 200 units, with B0DS9549SL close behind at ▲ 100.0% MoM on 100 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B0GKBPPRG8
SiS BETA Fuel Dual-Source Isotonic Energy Gel, Neutral, 30-Pack | Science in Sport Fast-Absorbing Carbohydrate Energy, 1:0.8 Maltodextrin to Fructose Ratio, 40g Carbs, Exercise Over 90 Min
Price
$83.99
Rating
4.8
Reviews
92
Latest month sales
B0GKB797JP
SiS BETA Fuel + Electrolyte Gels, 40g Carbs, Raspberry & Lemon, 30 Count | Science in Sport Dual-Source Energy Gel with 1:0.8 Maltodextrin to Fructose Ratio, 40g Carbs & Sodium, Exercise Over 90 Min
Price
$90.99
Rating
4.1
Reviews
36
Latest month sales
B0DS9549SL
Mikopei Sister Gifts from Sister - Love You Sis Glass Cups with Lids and Straws, Best Big Soul Sisters Birthday Gifts for Women,Cute Iced Coffee Cup, 16 oz
Unlock to view ASIN details and product titles
Price
$13.79
Rating
4.8
Reviews
54
Latest month sales
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