Is oura ring gen 4 size 9 profitable to sell on Amazon United States?

The niche generates $31K/yr across 28 tracked products. 4 of 10 products launched in the last 360 days are still selling. 90-day search growth is +0.7%. Flapen's verdict: Skip it (35/100).

How competitive is the oura ring gen 4 size 9 niche?

14 brands and 38 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 81% of demand.

What do buyers complain about in oura ring gen 4 size 9?

Top complaints mined from reviews: Durability, Battery Life, Charging. The return rate is 11.2% — above our launch gate.

What does it cost to enter the oura ring gen 4 size 9 niche?

Listings span $6.98–$445.17; the average listing price is $111.48 (sweet spot $15–$100). The average incumbent carries 2,273 reviews — the moat a new listing must climb.

oura ring gen 4 size 9

Skip it

High returns (11.2%) — this niche doesn't clear our bar today.

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Avg price

Good$111.48

avg listing price — sweet spot $15–$100

Competition

Good48%

top-5 click share — leaders hold, buyers still browse

Review moat

Okay2,272.54

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay81%

top-5 brand share — brands hold most of the demand

Growth

Okay+0.7%

90-day search growth — must beat 0% to launch

Price range

Bad$6.98–$445.17

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Bad1.0%

search→purchase rate — share of searches ending in a sale

Market size

Bad$31K

$31K/yr · 28K searches

Returns

Bad11.2%

return rate — above 6% kills the launch gate

According to Flapen's Amazon United States niche tracking, oura ring gen 4 size 9 is a $31K/yr Amazon United States market (28K searches/yr). The top 5 brands hold 81% of demand. Verdict: Skip it — 35/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

oura ring gen 4 size 9 market data

Units sold / yr: 1K–2K; avg 0–100/product
Revenue / yr: $139K–$167K; units × avg price
Launch success: 40%; 4 of 10 new (360d)
Conversion rate: 1.0%
Avg BSR: #1,271
Page quality: 0%
Prime: 96%
Sponsored: 86%
Out of stock: 7.1%
Avg brand age: 22 months
Avg seller age: 205 days

Competition & brand share

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 rising

Sellers

Top-5 brand share

81%

Top 20: 100%

Top-5 click share

48%

Top 20: 89%

Open market

15%

OURA54%
LevyPan11%
sylacor6%
Snyeest6%
ZOOROO4%
Hexasider4%
Open — no brand owns it (8 brands, 15%)

Top oura ring gen 4 size 9 search terms

oura ring 4 size 96K/yr +179.8%4.3% conv.
oura ring gen 4 size 913K/yr -39.3%4.6% conv.
aura ring size 94K/yr +43.3%2.6% conv.
oura 4 ring size 92K/yr -29.5%2.9% conv.
oura ring gen 3 size 93K/yr -76.6%0.0% conv.

All search terms

Top oura ring gen 4 size 9 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 28 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Oura Ring 4 - Smart Ring - Silver - Size 9 - Sleep Activity Womens Health AI Advisor Up to 8 Days of Battery Life Oura App Android & iOS Compatible

OURA$301.144.0★8,352 rev

Oura Ring 4 - Gold - Size 9 - Sleep Activity Womens Health AI Advisor Up to 8 Days of Battery Life Size Before You Buy Android & iOS Compatible

OURA$426.414.0★8,352 rev

Oura Ring 4 - Smart Ring - Stealth - Size 9 - Sleep Activity Womens Health AI Advisor Up to 8 Days of Battery Life Oura App Android & iOS Compatible

OURA$345.624.0★8,352 rev

sylacor 3 Pack Ring Cover Compatible with Oura Ring Gen 4/Gen 3 Horizon/Heritage Upgraded Anti-Scratch TPU Protector for Men Women NOT for Oura Ring 4 Ceramic (Gold+AntiqueGold+RoseGold Size 9)

sylacor$9.914.1★499 rev

LevyPan 2-Pack 14K Gold Plated Stacking Rings for Oura Ring Gen 5/4/3 Cubic Zirconia Simulated oura ring accessories stack Diamond Rings for Women

LevyPan$17.064.2★353 rev

Newest

by launch date

Oura Ring 5 - Silver - Size 9 - Worlds Smallest Smart Ring - Sleep Activity Womens Health AI Advisor 1 Week of Battery Life Size Before You Buy Android & iOS Compatible

OURA$391.6349 rev

1mo ago

KYROVIA 3-Pack Stacking Rings for Oura Ring Gen 4/Oura Ring Gen 3 14K Gold Silver Plated Stackable Band Rings Cubic Zirconia Simulated Diamond Stack Statement Rings for Women Size 7-9 (Silver-Cz-9)

KYROVIA$12.609 rev

3mo ago

Hexasider 4 Pack Upgraded Ring Covers Compatible with Oura Ring Gen 4/Gen 3 TPU Anti-Scratch Protector Accessories for Oura Ring Cover Jacket for Women Men Size 9 (Not for Oura Ring 4 Ceramic)

Hexasider$12.3183 rev

4mo ago

Hexasider 4 Pack Upgraded Ring Covers Compatible with Oura Ring Gen 4/Gen 3 TPU Anti-Scratch Protector Accessories for Oura Ring Cover Jacket for Women Men Size 9 (Not for Oura Ring 4 Ceramic)

Hexasider$9.7583 rev

4mo ago

ZOERAY Gold Stackable Rings for Oura Ring Gen 4/Gen 3 Chunky 14K Gold Plated Stacking Rings for Women Non Tarnish CZ Twist Diamond Thumb Silver Ring Set Gold Wedding Band Jewelry for Women Size 5-10

ZOERAY$12.9320 rev

6mo ago

What buyers say about oura ring gen 4 size 9

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall14%

“It was easy to size”

Value For Money12%

“Worth it”

Comfort-Overall7%

“Very comfortable”

Quality-Overall5%

“Overall, this is a great product with solid data and excellent customer service”

Color5%

“The colors are beautiful”

Software/Application5%

“The app is really intuitive”

Battery Life4%

“Battery life is great”

Charging3%

“charging is quick”

Ease Of Use3%

“Everything is just so easy”

Durability3%

“is very durable”

What buyers complain about

Durability16%

“I expected it to be more durable”

Battery Life13%

“Bad battery life”

Charging12%

“it stopped charging”

Size-Overall9%

“Runs small”

Value For Money9%

“far too Expensive IMO”

Quality-Overall5%

“garbage”

Color5%

“This item faded within several weeks”

Connectivity-Overall5%

“Just stop working will not hold the connection”

Software/Application2%

“The App is difficult to navigate”

Ease Of Use2%

“Near impossible to get on”

Top return reasons

Size-Overall68%

Value For Money5%

Color4%

Advertised Vs Actual Product4%

Charging3%

Functionality-Overall3%

Comfort-Overall2%

Length2%

Battery Life2%

Product Condition1%

Common questions

Is oura ring gen 4 size 9 profitable to sell on Amazon United States?: The niche generates $31K/yr across 28 tracked products. 4 of 10 products launched in the last 360 days are still selling. 90-day search growth is +0.7%. Flapen's verdict: Skip it (35/100).
How competitive is the oura ring gen 4 size 9 niche?: 14 brands and 38 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 81% of demand.
What do buyers complain about in oura ring gen 4 size 9?: Top complaints mined from reviews: Durability, Battery Life, Charging. The return rate is 11.2% — above our launch gate.
What does it cost to enter the oura ring gen 4 size 9 niche?: Listings span $6.98–$445.17; the average listing price is $111.48 (sweet spot $15–$100). The average incumbent carries 2,273 reviews — the moat a new listing must climb.