Japanese E-commerce & C2C Sales Data for Price & Trend Insights

📊 Dataset Overview

This dataset offers a comprehensive view of Japan's reuse and e-commerce market, aggregated from 30 of the country's top consumer-to-consumer (C2C) and business-to-consumer (B2C) platforms. With over 100 million real transactions annually, the data spans both new and secondhand goods, enabling deep insights into market pricing, product life cycles, consumer demand, and resale value across major categories.

Data is collected from a wide variety of sources, including flea market apps, auction sites, online malls, and leading buyback services. The dataset is fully structured, anonymized, and ready for integration into analytics tools, dashboards, or machine learning models.

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🛒 Target Platforms

The dataset aggregates transaction data from a wide range of e-commerce platforms in Japan, categorized as follows:

1. Consumer-to-Consumer (C2C) Marketplaces<br/>These platforms enable individuals to sell directly to other individuals, making them central to Japan’s thriving secondhand economy.<br/><br/>・ Yahoo! Auctions (ヤフオク) – Japan’s largest online auction platform<br/>・ Rakuten Rakuma (楽天ラクマ) – A flea market app operated by Rakuten<br/>・ Mercari (メルカリ) – Japan’s most popular C2C marketplace app<br/>・Mussubi (ムスビー) – A specialized resale platform for smartphones and electronics

2. Mall-type E-commerce (B2C & C2C Hybrid)<br/>These platforms feature a mix of individual sellers and official retailers, offering both new and used goods.<br/><br/>・Yahoo! Shopping – A major Japanese e-commerce mall with a wide range of categories<br/>・Rakuten Ichiba (楽天市場) – One of Japan’s largest online retail malls<br/>・BackMarket – A global marketplace focusing on professionally refurbished electronics

3. Buyback and Trade-in Businesses<br/>This category includes major Japanese vendors that specialize in purchasing secondhand goods from consumers and reselling them online. These businesses contribute large volumes of consistent, structured transaction data.Includes top-tier reuse and recycling companies in Japan

4. Coming Soon<br/>・eBay and other global C2C platforms are planned for integration, enabling broader cross-border resale analysis in the future.

> **Note:** The sample dataset currently available contains transactions from the **smartphone** category only. > If you require data for additional categories or different time periods, please contact us at the address provided in the listing.

原始信息汇总

Japanese E-commerce & C2C Sales Data for Price & Trend Insights

数据集概述

• 提供日本再利用和电子商务市场的全面视图，汇集了日本30个顶级消费者对消费者（C2C）和企业对消费者（B2C）平台的数据。
• 每年包含超过1亿笔真实交易，涵盖新旧商品，能够深入分析市场价格、产品生命周期、消费者需求和转售价值。
• 数据来源广泛，包括跳蚤市场应用、拍卖网站、在线商城和领先的回收服务。
• 数据集已完全结构化、匿名化，可直接集成到分析工具、仪表板或机器学习模型中。

目标平台

1. 消费者对消费者（C2C）市场

• Yahoo! Auctions（ヤフオク） – 日本最大的在线拍卖平台
• Rakuten Rakuma（楽天ラクマ） – 乐天运营的跳蚤市场应用
• Mercari（メルカリ） – 日本最受欢迎的C2C市场应用
• Mussubi（ムスビー） – 专注于智能手机和电子产品的转售平台

2. 商城型电子商务（B2C和C2C混合）

• Yahoo! Shopping – 日本主要的电子商务商城
• Rakuten Ichiba（楽天市場） – 日本最大的在线零售商城之一
• BackMarket – 专注于专业翻新电子产品的全球市场

3. 回收和以旧换新业务

• 包括日本顶级的再利用和回收公司

4. 即将推出

• eBay和其他全球C2C平台计划在未来集成，支持跨境转售分析。

业务需求

定价分析

• 通过实时市场价格基准，设置回购、转售或促销价格，以最大化利润和转化率。

机器学习

• 支持回归模型训练，利用品牌、型号、发布年份、条件、存储容量和销售渠道等属性预测最优转售和回购价格。
• 捕捉季节性模式和平台特定趋势，支持准确的需求预测模型。

库存管理

• 提供实时产品需求、转售价值趋势和季节性波动洞察，优化库存管理。

数据丰富

• 通过整合CRM、销售或库存数据，增强对产品转售价值、需求变化和生命周期趋势的理解。

数据字典

MALL_MARKETS_MONTHLY_TRANSACTION

• LISTING_ID: Varchar
• WEBSITE_TYPE: Varchar
• DATA_SOURCE: Varchar
• SALES_DATE: Date
• MAKER: Varchar
• ITEM_NAME: Varchar
• MODEL: Varchar
• RELEASE_DATE: Date
• CONDITION: Varchar
• VOLUME: Varchar
• IS_SIM_FREE: Varchar
• NETWORK_RESTRICTION: Varchar
• PRICE: Number
• STOCK_PERIOD: Number

使用示例

检查指定ITEM_NAME和DATA_SOURCE的月度交易数量

sql SELECT * FROM sample_date.mall_markets_yearly_report where ITEM_NAME = iPhone 15 Pro Max and DATA_SOURCE = RAKUTEN_ICHIBA;

检查平均交易金额和平均销售天数

sql select ITEM_NAME, avg(PRICE) as AVG_PRICE, avg(STOCK_PERIOD) as AVG_STOCK_PERIOD from sample_date.mall_markets_monthly_transaction where ITEM_NAME = iPhone 15 Pro Max and DATA_SOURCE = MERCARI group by all;

类别

• AI & ML
• Commerce
• Contact Data Enrichment
• Inventory Management
• Machine Learning
• Marketing
• Pricing Analysis

联系方式

• 销售: [e-mail]
• 支持: [e-mail]

地理覆盖范围

• 日本

云区域可用性

AWS

• Africa (Cape Town)
• Asia Pacific (Jakarta)
• Asia Pacific (Mumbai)
• Asia Pacific (Osaka)
• 45 More

法律条款

• Standard

关于Re-sma Inc.

• 提供“Smapra”中古市场价格数据服务和“Tremart”电子商务平台，致力于实现循环经济。

搜集汇总

背景与挑战

背景概述

该数据集整合了日本30个主流C2C/B2C平台的交易数据，包含年超1亿笔新品及二手商品交易记录，适用于市场价格分析和消费趋势研究。当前样本仅含智能手机类别数据，覆盖拍卖平台、电商商城和回收业务等多类渠道。