---
title: "Trend — sigma 18-50mm f2.8 sony - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/sigma-18-50mm-f2-8-sony/trend"
last_updated: "2026-08-11T23:52:08.267Z"
locale: en
meta:
  description: "Niche score 35/100 · $1.4M/yr market · 238K searches/yr · $582.57 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 35/100 · $1.4M/yr market · 238K searches/yr · $582.57 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Trend — sigma 18-50mm f2.8 sony - Flapen"
---

# **sigma 18-50mm f2.8 sony**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 85Growth 55Conversion 13Competition 35Returns 19Price range 0Avg price 0Brand share 0Review moat 81Quality gap 20

**Market size**

**Great****$1.4M**

$1.4M/yr · 238K searches

**Review moat**

**Great****381.13**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Good****+28.2%**

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

**Competition**

**Okay****64%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Returns**

**Bad****6.7%**

return rate — above 5% kills the launch gate

**Conversion**

**Bad****1.0%**

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

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

**Avg price**

**Bad****$582.57**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****$223.78–$664.51**

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

**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

## Trend