자습서 demand is lowest in Oct and highest in Mar. Buy around Oct for the least competition; sellers prepare ads and stock before Mar. 12-month range 86.2p, year-to-year correlation 0.94 (repeats yearly), last 12 months vs prior 12: -43.2%.
Overlay up to 3.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Cheapest month | Demand peak | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 자습서 | 31 | 46 | 100 | 54 | 17 | 19 | 24 | 47 | 36 | 14 | 16 | 21 | Oct | Mar |
Click demand over the last 36 months averaged by calendar month (max = 100).
| Cheapest month | Oct | Demand peak | Mar |
|---|---|---|---|
| Range | 86.2p | Repeats yearly | 0.94 (yes) |
| YoY | -43.2% | Path | 도서 > 고등학교 참고서 > 자습서 |
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 Mar peak. Main buyers: 40s women, Mobile share 86.2%.
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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