여과기/여과재: when to buy in Korea — cheapest month and demand peak

여과기/여과재 demand is lowest in Sep and highest in Oct. Buy around Sep for the least competition; sellers prepare ads and stock before Oct. 12-month range 33.2p, year-to-year correlation 0.84 (repeats yearly), last 12 months vs prior 12: -46.1%.

Overlay up to 3.

JanFebMarAprMayJunJulAugSepOctNovDecCheapest monthDemand peak
여과기/여과재9391968682687274671008983SepOct
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12-month demand calendar

Click demand over the last 36 months averaged by calendar month (max = 100).

Jan93
Feb91
Mar96
Apr86
May82
Jun68
Jul72
Aug74
Sep67
Oct100
Nov89
Dec83
Cheapest monthSepDemand peakOct
Range33.2pRepeats yearly0.84 (yes)
YoY-46.1%Path생활/건강 > 관상어용품 > 여과기/여과재

36-month trend

202420252026

Buyers (last 12 months)

Categories men in their 40s buy most →

Age

10s1%
20s5.6%
30s22.6%
40s40.1%
50s22.2%
60+8.6%

Gender

Women19.5%
Men80.5%

Device

PC24.9%
Mobile75.1%

Other categories in this group

Data as of: 2023-10-01 ~ 2026-09-30 · NAVER Shopping Insight

How to use

1. Search a category

Type a product type to find it among 2,353 NAVER Shopping categories.

2. Read the calendar

The lowest month in the 12-month index is the time to buy; the highest is the time to sell.

3. Compare and save

Overlay up to 3 categories, download CSV or share the link.

FAQ

When is 여과기/여과재 cheapest to buy?

Sep, the lowest-demand month. Sellers compete harder in low months, so discounts and promotions increase.

When should sellers prepare?

One to two months before the Oct peak. Main buyers: 40s men, Mobile share 75.1%.

Data

NAVER DataLab Shopping Insight category click trend, monthly. Refreshed every month.

Index

36 months of clicks averaged by calendar month, scaled so the maximum is 100. Not an absolute comparison between categories.