---
title: "Casio Fx-991ex — $619K/yr Amazon AE Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/ae/office-products/casio-fx-991ex"
last_updated: "2026-08-02T03:37:51.531Z"
locale: en
meta:
description: "Niche score 56/100 · $619K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · $619K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Casio Fx-991ex — $619K/yr Amazon AE Niche (2026) - Flapen"
---
# **casio fx-991ex**
**Worth a look**
Shows a sweet-spot price point ($60.96 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 65Growth 36Conversion 42Competition 77Returns 71Price range 73Avg price 89Brand share 31Review moat 46Quality gap 48
**Avg price**
**Great****$60.96**
avg listing price — sweet spot $15–$100
**Competition**
**Great****38%**
top-5 click share — an open shelf
**Price range**
**Good****$13.42–$129.27**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.2%**
return rate — above 5% kills the launch gate
**Market size**
**Good****$619K**
$619K/yr · 304K searches
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****1,871.26**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Okay****3.3%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+8.5%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****87%**
top-5 brand share — brands hold most of the demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=ae&signal=high_price "Avg price > $50")
According to Flapen's Amazon United Arab Emirates niche tracking, casio fx-991ex is a $619K/yr Amazon United Arab Emirates market (304K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in May–Jun–Sep. Verdict: Worth a look — 56/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **casio fx-991ex market data**
- **Units sold / yr**
- **13K–15K**
- avg 250–500/product
- **Revenue / yr**
- **$762K–$914K**
- units × avg price
- **Conversion rate**
- **3.3%**
- **Avg BSR**
- **#24**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **67%**
- **Out of stock**
- **6.7%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **56 days**
## **Competition & brand share**
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.
**Brands**
**17 **▲rising
**Sellers**
**85**
**Top-5 brand share**
**87%**
Top 20: 100%
**Top-5 click share**
**38%**
Top 20: 83%
**Open market**
**11%**
- Casio63% - Hepiide8% - Yihavo7% - Joinus6% - saykfoe3% - Generic3% - Open — no brand owns it (11 brands, 11%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +8.5% search growth over the last 90 days.
5K3KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Sep · busiest ÷ quietest = 7.9×
[**Open Trend **](https://flapen.com/research/ae/office-products/casio-fx-991ex/trend)
## **Top casio fx-991ex search terms**
- **calculator**101K/yr+11.7%3.3% conv. - **casio calculator**53K/yr+4.4%2.1% conv. - **scientific calculator**44K/yr+8.6%3.1% conv. - **calculator casio**24K/yr-12.3%3.6% conv. - **اله حاسبه**8K/yr+89.9%1.1% conv. - **casio fx-991ex**16K/yr+15.1%1.9% conv. - **casio scientific calculator**11K/yr-7.8%1.7% conv. - **scientific calculator casio**10K/yr+28.0%3.1% conv. - **casio fx-991ex classwiz**6K/yr+112.3%1.2% conv. - **fx-991ex**7K/yr+22.8%4.1% conv. [**All search terms **](https://flapen.com/research/ae/office-products/casio-fx-991ex/search-terms)
## **Top casio fx-991ex 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%3%$19K6%$37K9%$56K12%$74K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Casio Standard Scientific Calculator PINK - Non Programmable 10 + 2 digits 252 Functions - FX-82ESPLUS-2PKWDT**Casio**$52.33**4.4★866 rev](https://www.amazon.ae/dp/B0B8ZNCTG2) [2**Casio Fx-82Ms-2Nd Edition Scientific Calculator**Casio**$31.71**4.3★14,105 rev](https://www.amazon.ae/dp/B00AXHBBXU) [3**Casio MJ-120D Plus - BK 300 Steps Check and Correct Desktop Calculator with Tax & GT Keys**Casio**$38.38**4.6★219 rev](https://www.amazon.ae/dp/B071Y3VDFZ) [4**Yihavo FX-991EX Scientific Calculator 552 Functions Engineering Calculator High-Resolution 10+2 Digits Display with Sliding Hard Case - for School Students Teachers Office Business**Yihavo**$80.62**3.7★11 rev](https://www.amazon.ae/dp/B0FR9HMXJ6) [5**FX-991EX Scientific Calculator 552 Functions: Portable Engineering Scientific Calculator with Natural Formula Display - Essential for High School/University Engineering Students Teachers**Hepiide**$95.03**3.7★3 rev](https://www.amazon.ae/dp/B0G1GZYVQH)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**FX-991EX Scientific Calculator with 552 Functions: Portable Engineering Scientific Calculator with Natural Formula Display - Lightweight Design for High School/University Students & Teachers**saykfoe**$96.83**0 rev2mo ago](https://www.amazon.ae/dp/B0H1FVQY97) [**FX-991EX Scientific Calculator with Advanced 552 Functions- Solar & Battery Powered Multi-Function High School & College Math Trigonometry Statistics Algebra Durable Large Display**Generic**$76.78**6 rev3mo ago](https://www.amazon.ae/dp/B0GWQKSNHV) [**FX-991ES PLUS Scientific Calculator: Large-Screen Portable Scientific Calculator with 417 Functions - Natural Formula Visualization 10+2 Screen Display - Comprehensive Tools for High School&University**Hepiide**$79.73**2 rev6mo ago](https://www.amazon.ae/dp/B0GHRY3MD7) [**FX-991EX Scientific Calculator 552 Functions: Portable Engineering Scientific Calculator with Natural Formula Display - Essential for High School/University Engineering Students Teachers**Hepiide**$95.03**3 rev8mo ago](https://www.amazon.ae/dp/B0G1GZYVQH) [**Problem Solve FX-300ES Plus 2nd Edition Scientific Calculator Standard Function Calculator for Students & Professionals Black**PROBLEM SOLVE**$63.18**1 rev10mo ago](https://www.amazon.ae/dp/B0FRH9DJZM)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**FX-991EX Scientific Calculator with 552 Functions: Portable Engineering Scientific Calculator with Natural Formula Display - Lightweight Design for High School/University Students & Teachers**saykfoe**$96.83**0.0★**▲ 351%**](https://www.amazon.ae/dp/B0H1FVQY97) [**FX-991EX Scientific Calculator with Advanced 552 Functions- Solar & Battery Powered Multi-Function High School & College Math Trigonometry Statistics Algebra Durable Large Display**Generic**$76.78**4.7★**▲ 350%**](https://www.amazon.ae/dp/B0GWQKSNHV) [**CAL STAR Desktop Calculator HK-120 PLUS 14 Digit Large Display Dual Power (Solar & Battery) Tax & Business Functions Office & Accounting Calculator**Cal Star**$28.35**0.0★**▲ 328%**](https://www.amazon.ae/dp/B0GFVL86TW) [**FX-991ES PLUS Scientific Calculator: Large-Screen Portable Scientific Calculator with 417 Functions - Natural Formula Visualization 10+2 Screen Display - Comprehensive Tools for High School&University**Hepiide**$79.73**3.0★**▲ 208%**](https://www.amazon.ae/dp/B0GHRY3MD7) [**FX-991EX Scientific Calculator 552 Functions: Portable Engineering Scientific Calculator with Natural Formula Display - Essential for High School/University Engineering Students Teachers**Hepiide**$95.03**3.7★**▲ 155%**](https://www.amazon.ae/dp/B0G1GZYVQH)
**~~View all trending →~~**
## **What buyers say about casio fx-991ex**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**الجودة الشاملة**33%
*“Good Quality”*
**المنتج المعلن عنه مقابل المنتج الفعلي**18%
*“Exactly what I needed”*
**سهولة الاستخدام**13%
*“Good and useful”*
**العرض الكلي**10%
*“The display is clear”*
**لون**6%
*“the color just aaaaaaaaa”*
**دقة القياس/القراءة**4%
*“Perfect for speed, accuracy, and advanced functions”*
**القيمة مقابل المال**4%
*“Great value for the price”*
**كفاءة**3%
*“it works perfectly”*
**متانة**3%
*“durable design with solar battery”*
**الوزن خفيف**1%
*“Lightweight reliable and easy to use for daily math and engineering tasks”*
### **What buyers complain about **
**الوظيفة - بشكل عام**33%
*“Doesnt work”*
**متانة**14%
*“Very bad within 2 months not working”*
**الحجم الكلي**14%
*“Big”*
**القيمة مقابل المال**7%
*“Price is little bit high”*
**المواد/الأجزاء المعيبة**7%
*“Complain regarding manufacturing defect”*
**دقة القياس/القراءة**7%
*“after using for a few days i have noticed one of the base digits was missing so the numbers are incomplete when calculating anything so it becomes difficult now to know which digit it is”*
**عمر البطارية**5%
*“Changed battery too”*
**دقة تحذير الخطأ**5%
*“Unreliable”*
### **Top return reasons **
**الوظيفة - بشكل عام**24%
**الحجم الكلي**17%
**الجودة الشاملة**12%
**المنتج المعلن عنه مقابل المنتج الفعلي**10%
**عناصر التحكم باللمس/الزر**7%
**القيمة مقابل المال**6%
**الشهادات**5%
**المواد/الأجزاء المعيبة**4%
**سهولة الاستخدام**4%
**التوافق - بشكل عام**2%
## **Common questions**
- **Is casio fx-991ex profitable to sell on Amazon United Arab Emirates?**
- The niche generates $619K/yr across 39 tracked products. 3 of 9 products launched in the last 360 days are still selling. 90-day search growth is +8.5%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the casio fx-991ex niche?**
- 17 brands and 85 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 87% of demand.
- **What do buyers complain about in casio fx-991ex?**
- Top complaints mined from reviews: الوظيفة - بشكل عام, متانة, الحجم الكلي. The return rate is 2.2%.
- **When does demand for casio fx-991ex peak?**
- Demand peaks in May–Jun–Sep; the busiest month runs 7.9× the quietest.
- **What does it cost to enter the casio fx-991ex niche?**
- Listings span $13.42–$129.27; the average listing price is $60.96 (sweet spot $15–$100). The average incumbent carries 1,871 reviews — the moat a new listing must climb.
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