검정고시 demand is lowest in Oct and highest in Feb. Buy around Oct for the least competition; sellers prepare ads and stock before Feb. 12-month range 44.3p, year-to-year correlation 0.69 (repeats yearly), last 12 months vs prior 12: -58.5%.
Overlay up to 3.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Cheapest month | Demand peak | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 검정고시 | 85 | 100 | 99 | 69 | 59 | 72 | 62 | 63 | 61 | 56 | 61 | 63 | Oct | Feb |
Click demand over the last 36 months averaged by calendar month (max = 100).
| Cheapest month | Oct | Demand peak | Feb |
|---|---|---|---|
| Range | 44.3p | Repeats yearly | 0.69 (yes) |
| YoY | -58.5% | Path | 도서 > 수험서/자격증 > 검정고시 |
Data as of: 2023-08-01 ~ 2026-07-31 · NAVER Shopping Insight
Type a product type to find it among 2,353 NAVER Shopping categories.
The lowest month in the 12-month index is the time to buy; the highest is the time to sell.
Overlay up to 3 categories, download CSV or share the link.
Oct, the lowest-demand month. Sellers compete harder in low months, so discounts and promotions increase.
One to two months before the Feb peak. Main buyers: 40s women, Mobile share 82.5%.
NAVER DataLab Shopping Insight category click trend, monthly. Refreshed every month.
36 months of clicks averaged by calendar month, scaled so the maximum is 100. Not an absolute comparison between categories.
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