---
title: "Bloody Knife — $23K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/bloody-knife"
last_updated: "2026-08-10T22:07:39.777Z"
locale: en
meta:
description: "Niche score 30/100 · $23K/yr market · 83K searches/yr · $8.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 30/100 · $23K/yr market · 83K searches/yr · $8.92 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Bloody Knife — $23K/yr Amazon US Niche (2026) - Flapen"
---
# **bloody knife**
**Skip it**
Prices mostly outside the sweet spot ($7.17–$12.33) — this niche doesn't clear our bar today.
Market size 6Growth 18Conversion 39Competition 23Returns 21Price range 0Avg price 25Brand share 53Review moat 86Quality gap 57
**Review moat**
**Great****285.71**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****73%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Okay****3.1%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Okay****$8.92**
avg listing price — sweet spot $15–$100
**Competition**
**Bad****73%**
top-5 click share — a locked-up shelf
**Returns**
**Bad****6.1%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-13.0%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$23K**
$23K/yr · 83K searches
**Price range**
**Bad****$7.17–$12.33**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, bloody knife is a $23K/yr Amazon United States market (83K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 30/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **bloody knife market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$45K–$54K**
- units × avg price
- **Conversion rate**
- **3.1%**
- **Avg BSR**
- **#1,502**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **50%**
- **Out of stock**
- **16.6%**
- **Avg brand age**
- **51 months**
- **Avg seller age**
- **183 days**
## **Competition & brand share**
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**14 **▼falling
**Sellers**
**43**
**Top-5 brand share**
**73%**
Top 20: 100%
**Top-5 click share**
**73%**
Top 20: 100%
**Open market**
**20%**
- EPDPLAY22% - Molain18% - MyersCostume14% - Fun World10% - SYFDXD9% - 4E's Novelty7%
## **Demand & seasonality**
Weekly Amazon search volume, last 88 weeks — -13.0% search growth over the last 90 days.
18K13KSpike '25Prime Day '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 63.1×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/bloody-knife/trend)
## **Top bloody knife search terms**
- **bloody knife**29K/yr-9.3%2.9% conv. - **fake bloody knife**19K/yr-22.7%4.0% conv. - **bloody knife prop**13K/yr-2.4%6.0% conv. - **fake knife with blood**9K/yr-6.9%4.8% conv. - **fake blood knife**5K/yr-44.0%1.9% conv. - **halloween bloody knife**4K/yr+57.6%2.1% conv. - **bloody knife halloween prop**4K/yr+25.9%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/bloody-knife/search-terms)
## **Top bloody knife 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.
0%10%$2K20%$5K30%$7K40%$9K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**EPDPLAY Nightmare Prop Knife - Halloween Realistic Scream Blade Kills Butcher Prank Props Costume Fake Knife Accessories for Horror Party Role Playing**EPDPLAY**$10.93**4.7★8 rev](https://www.amazon.com/dp/B0FCYCT65Q) [2**Molain Cosplay Fake Knife - 12inches Bloody Prop Halloween Fancy Dress Accessory**Molain**$7.17**4.5★96 rev](https://www.amazon.com/dp/B0DBLSM7HV) [3**MyersCostume 2Pcs Halloween Knife Jumbo Plastic Bloody Butcher Knife Halloween Butcher Prop Metallic**MyersCostume**$8.34**4.1★103 rev](https://www.amazon.com/dp/B0C68QDNKX) [4**FunWorld Scream Bloody Blade Black One Size**Fun World**$7.19**4.4★650 rev](https://www.amazon.com/dp/B0027FG9VU) [5**SYFDXD 2 Pcs Halloween Prop Knife 12 Inch Plastic Bloody Fake Knife Classic Horror Prank Props for Scary Party Cosplay**SYFDXD**$7.32**4.7★26 rev](https://www.amazon.com/dp/B0DCZW2XTL)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Nightmare Knife Scream Blade - Halloween Realistic Prop Knife Bloody Butcher Kills Prank Props Costume Fake Knife Accessories for Horror Party Role Playing Red**MOODUUTY**$12.33**1 rev3mo ago](https://www.amazon.com/dp/B0GT4M342J) [**EPDPLAY Nightmare Prop Knife - Halloween Realistic Scream Blade Kills Butcher Prank Props Costume Fake Knife Accessories for Horror Party Role Playing**EPDPLAY**$10.93**8 rev1y ago](https://www.amazon.com/dp/B0FCYCT65Q) [**DERAYEE 2PCS Halloween Knife Prop 12 Inch Plastic Fake Knives Classic Horror Props for Scary Halloween Party Cosplay Haunted House Prank Decor**DERAYEE**$9.76**24 rev1y ago](https://www.amazon.com/dp/B0F6TMPMF6) [**Btanadi Fake Knife with Fake Blood Props for Halloween Cosplay Costume Accessories and Makeup Parties**Btanadi**$7.63**57 rev1y ago](https://www.amazon.com/dp/B0D8PWBPX3) [**SYFDXD 2 Pcs Halloween Prop Knife 12 Inch Plastic Bloody Fake Knife Classic Horror Prank Props for Scary Party Cosplay**SYFDXD**$7.32**26 rev1y ago](https://www.amazon.com/dp/B0DCZW2XTL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Nightmare Knife Scream Blade - Halloween Realistic Prop Knife Bloody Butcher Kills Prank Props Costume Fake Knife Accessories for Horror Party Role Playing Red**MOODUUTY**$12.33**4.0★**▲ 1000%**](https://www.amazon.com/dp/B0GT4M342J) [**EPDPLAY Nightmare Prop Knife - Halloween Realistic Scream Blade Kills Butcher Prank Props Costume Fake Knife Accessories for Horror Party Role Playing**EPDPLAY**$10.93**4.7★**▲ 942%**](https://www.amazon.com/dp/B0FCYCT65Q) [**DERAYEE 2PCS Halloween Knife Prop 12 Inch Plastic Fake Knives Classic Horror Props for Scary Halloween Party Cosplay Haunted House Prank Decor**DERAYEE**$9.76**4.5★**▲ 632%**](https://www.amazon.com/dp/B0F6TMPMF6) [**SYFDXD 2 Pcs Halloween Prop Knife 12 Inch Plastic Bloody Fake Knife Classic Horror Prank Props for Scary Party Cosplay**SYFDXD**$7.32**4.7★**▲ 100%**](https://www.amazon.com/dp/B0DCZW2XTL) [**MyersCostume 2Pcs Halloween Knife Jumbo Plastic Bloody Butcher Knife Halloween Butcher Prop Metallic**MyersCostume**$8.34**4.1★**▲ 92%**](https://www.amazon.com/dp/B0C68QDNKX)
**~~View all trending →~~**
## **What buyers say about bloody knife**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Weight Light**36%
*“It was also very lightweight”*
**Advertised Vs Actual Product**14%
*“Just as described/pictured”*
**Design-Overall**12%
*“Really liked the design”*
**Strength**7%
*“Its pretty sturdy”*
**Size-Overall**7%
*“a realistic size”*
**Value For Money**7%
*“Great price”*
**Quality-Overall**5%
*“Good product”*
### **What buyers complain about **
**Leak-Proof**25%
*“all the blood leaked out”*
**Strength**25%
*“Too flimsy”*
**Durability**13%
*“it broke super easy before we could even use it so was basically a waste”*
**Size-Overall**8%
*“on the large size”*
### **Top return reasons **
**Size-Overall**46%
**Advertised Vs Actual Product**13%
**Quality-Overall**9%
**Leak-Proof**6%
**Value For Money**5%
**Defective Material/Parts**5%
**Material Quality**5%
**Durability**3%
**Ease Of Use**3%
**Scratch Resistance**1%
## **Common questions**
- **Is bloody knife profitable to sell on Amazon United States?**
- The niche generates $23K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -13.0%. Flapen's verdict: Skip it (30/100).
- **How competitive is the bloody knife niche?**
- 14 brands and 43 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 73% of demand.
- **What do buyers complain about in bloody knife?**
- Top complaints mined from reviews: Leak-Proof, Strength, Durability. The return rate is 6.1% — above our launch gate.
- **When does demand for bloody knife peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 63.1× the quietest.
- **What does it cost to enter the bloody knife niche?**
- Listings span $7.17–$12.33; the average listing price is $8.92 (sweet spot $15–$100). The average incumbent carries 286 reviews — the moat a new listing must climb.
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