physical therapy ball knee squeeze
Skip itA small market ($46K/yr) — this niche doesn't clear our bar today.
Competition
Great36%top-5 click share — an open shelf
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Conversion
Good5.3%search→purchase rate — share of searches ending in a sale
Brand share
Good69%top-5 brand share — brands hold most of the demand
Returns
Good2.7%return rate — above 6% kills the launch gate
Price range
Good$5.54–$24.97cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay2,333.59avg incumbent reviews — the moat a new listing must climb
Avg price
Okay$10.74avg listing price — sweet spot $15–$100
Growth
Bad-15.3%90-day search growth — must beat 0% to launch
Market size
Bad$46K$46K/yr · 81K searches
According to Flapen's Amazon United States niche tracking, physical therapy ball knee squeeze is a $46K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Jan–Aug. Verdict: Skip it — 48/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
physical therapy ball knee squeeze market data
- Units sold / yr
- 5K–6K
- avg 0–100/product
- Revenue / yr
- $54K–$64K
- units × avg price
- Launch success
- 86%
- 6 of 7 new (360d)
- Conversion rate
- 5.3%
- Avg BSR
- #104
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 7.3%
- Avg brand age
- 62 months
- Avg seller age
- 177 days
Competition & brand share
Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.Brands
21 falling
Sellers
30
Top-5 brand share
69%
Top 20: 100%
Top-5 click share
36%
Top 20: 77%
Open market
24%
- JUFANGFIN17%
- XIECCX16%
- BAIMAN16%
- CIZEBO13%
- kisnbld7%
- KEEP7%
Demand & seasonality
Weekly Amazon search volume, last 92 weeks — -15.3% search growth over the last 90 days.Peak months: Jan, Aug · busiest ÷ quietest = 1.8×
Top physical therapy ball knee squeeze search terms
- pilates ball 6 inch20K/yr
- 6 inch pilates ball16K/yr
- small pilates ball 6 inches8K/yr
- 6 inch exercise ball7K/yr
- 6 inch ball7K/yr
- small pilates ball 4 inches5K/yr
- 6 ball5K/yr
- small exercise ball 6 inch5K/yr
- 5 inch exercise ball4K/yr
- 6 inch yoga ball3K/yr
Top physical therapy ball knee squeeze products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 49 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
CIZEBO 6 Pilates Ball Small Exercise Ball & Air Pump Yoga Core (8 Opt)
CIZEBO$8.204.4★83 rev
XIECCX Mini Yoga Balls 6 Inch Exercise Pilates Therapy Balance Micropore Ball Barre Equipment for Home Stability Training Physical Core Training with Pump(Purple)
XIECCX$9.034.3★140 rev
JUFANGFIN 6-Inch Pilates Exercise Ball for Yoga Barre Fitness & Physical Therapy Mini Squishy Balance Ball for Home Workouts Includes Pump for Easy Inflation(Pink)
JUFANGFIN$8.804.2★141 rev
KEEP Pilates Ball Small- Balance Yoga Balls for Working Out Fitness Ball for Core Strength and Physical Therapy 25cm Pale Green
KEEP$7.354.4★533 rev
BAIMAN Mini Pilates Exercise Yoga Ball 6 Inch Small Inflatable Exercise Yoga Ball Core Training and Physical Therapy Equipment with Pump(Purple)
BAIMAN$9.514.2★116 rev
Newest
by launch date
CIZEBO Mini Exercise Ball 4 Inch Small Pilates Ball for Core Training Thigh and Hip Exercises Mini Yoga Ball for Stability Training Workouts Fitness Classes Blue
CIZEBO$9.6233 rev
CIZEBO 6 Pilates Ball Small Exercise Ball & Air Pump Yoga Core (8 Opt)
CIZEBO$8.2083 rev
CIZEBO 6 Pilates Ball Small Exercise Ball & Air Pump Yoga Core (8 Opt)
CIZEBO$8.3983 rev
CIZEBO 6 Pilates Ball Small Exercise Ball & Air Pump Yoga Core (8 Opt)
CIZEBO$8.2183 rev
Bala Power Ball Weighted Toning Exercise Ball for Pilates Yoga Home Fitness & More - Workout Ball for Strength & Core Training Aerobics & Working Out to Improve Balance & Sculpt - 2lb Blush
Bala$24.9748 rev
Trending
90-day click momentumCIZEBO Mini Exercise Ball 4 Inch Small Pilates Ball for Core Training Thigh and Hip Exercises Mini Yoga Ball for Stability Training Workouts Fitness Classes Blue
CIZEBO$9.624.4★
CIZEBO 6 Pilates Ball Small Exercise Ball & Air Pump Yoga Core (8 Opt)
CIZEBO$8.214.4★
CIZEBO 6 Pilates Ball Small Exercise Ball & Air Pump Yoga Core (8 Opt)
CIZEBO$8.204.4★
CIZEBO 6 Pilates Ball Small Exercise Ball & Air Pump Yoga Core (8 Opt)
CIZEBO$8.394.4★
JUFANGFIN 6-Inch Pilates Exercise Ball for Yoga Barre Fitness & Physical Therapy Mini Squishy Balance Ball for Home Workouts Includes Pump for Easy Inflation(Pink)
JUFANGFIN$8.804.2★
What buyers say about physical therapy ball knee squeeze
What buyers praise and complain about, mined from review topics.What buyers love
“it's pretty solid quality”
“Doesn't deflate”
“is a great find for yourself or as a gift for that exercise enthusiast in your life”
“As advertised”
“Excellent value for money”
“I loved the size”
“Easy to use”
“The PVC material feels durable”
“Thick material”
“Like the color”
What buyers complain about
“Keeps deflating”
“it doesnt fit”
“Bad quality”
“Easily breaks”
“its got a leak”
“was a little difficult to remove the first time”
“the ball became sticky”
“Questionable material”
“Not sturdy”
“Works however it loses air fairly quickly”
Top return reasons
Common questions
- Is physical therapy ball knee squeeze profitable to sell on Amazon United States?
- The niche generates $46K/yr across 49 tracked products. 6 of 7 products launched in the last 360 days are still selling. 90-day search growth is -15.3%. Flapen's verdict: Skip it (48/100).
- How competitive is the physical therapy ball knee squeeze niche?
- 21 brands and 30 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 69% of demand.
- What do buyers complain about in physical therapy ball knee squeeze?
- Top complaints mined from reviews: Inflation/Deflation, Size-Overall, Quality-Overall. The return rate is 2.7%.
- When does demand for physical therapy ball knee squeeze peak?
- Demand peaks in Jan–Aug; the busiest month runs 1.8× the quietest.
- What does it cost to enter the physical therapy ball knee squeeze niche?
- Listings span $5.54–$24.97; the average listing price is $10.74 (sweet spot $15–$100). The average incumbent carries 2,334 reviews — the moat a new listing must climb.