Yahoo! Auctions Japan Price Trend — 6-Month Sold History
Pricing
from $20.00 / 1,000 keyword trend analyzeds
Yahoo! Auctions Japan Price Trend — 6-Month Sold History
Is the price rising or falling? Pages Yahoo! Auctions closed listings back through roughly six months and returns the monthly sold median, sample size per month, the first-to-last change and a trend direction — computed on demand, nothing stored. For resellers pricing inventory. From $0.02.
Pricing
from $20.00 / 1,000 keyword trend analyzeds
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h ichi
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4 days ago
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A single median tells you what something is worth today. It does not tell you whether you are buying into a falling market. This Actor returns the monthly sold median across roughly six months, so the direction is visible.
Where the history comes from
Yahoo! Auctions' public closed-listing search retains around six months and returns results newest-first. This Actor pages through that window on demand and buckets each sale by its end month.
No price database is kept between runs. Every call re-reads the live pages, so there is nothing to go stale and nothing about you to store.
Output
One trend_summary per keyword:
| field | meaning |
|---|---|
months[] | per month: month, soldCount, medianJpy, p25Jpy, p75Jpy, usedInTrend |
trendDirection | rising / falling / flat |
changePct | first to last month of the trend line |
monthsCovered / monthsUsed | how much of the window actually had data |
soldTotal | sold auctions sampled |
oldestEndTime / newestEndTime | the real span reached |
The guard that matters
A month with two sales has a meaningless median. Months below minPerMonth (default 5) are still reported with their count, but carry usedInTrend: false and are excluded from the direction and the change figure. The trend is never computed on a sample that cannot support it, and you can always see which months were dropped.
If fewer than two months clear the bar, the Actor returns trendUsable: false and is not charged.
Pricing
From $0.02 per keyword. Individual auctions are $0.002 each and off by default.
Read-only public pages, no login, throttled requests. Sellers are never collected.
