국가자격/전문사무 demand is lowest in Jun and highest in Nov. Buy around Jun for the least competition; sellers prepare ads and stock before Nov. 12-month range 43.5p, year-to-year correlation 0.35 (irregular), last 12 months vs prior 12: -59.8%.
Overlay up to 3.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Cheapest month | Demand peak | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 국가자격/전문사무 | 90 | 77 | 93 | 70 | 58 | 57 | 57 | 85 | 90 | 92 | 100 | 97 | Jun | Nov |
Click demand over the last 36 months averaged by calendar month (max = 100).
| Cheapest month | Jun | Demand peak | Nov |
|---|---|---|---|
| Range | 43.5p | Repeats yearly | 0.35 (no) |
| YoY | -59.8% | Path | 도서 > 수험서/자격증 > 국가자격/전문사무 |
Data as of: 2023-08-01 ~ 2026-07-31 · NAVER Shopping Insight
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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.
Jun, the lowest-demand month. Sellers compete harder in low months, so discounts and promotions increase.
One to two months before the Nov peak. Main buyers: 40s women, Mobile share 75.7%.
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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