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wiki/concepts/Programmatic-Buying.md
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title: "Programmatic Buying"
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type: concept
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tags: ["programmatic", "dsp", "display", "paid-media"]
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sources: ["paid-media-programmatic-buyer"]
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last_updated: 2026-04-26
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---
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## Definition
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程序化购买(Programmatic Buying)是通过需求方平台(DSP)自动化完成数字广告展示库存的购买、竞价和投放的技术驱动型广告采购方法。区别于传统人工谈判和预订式购买,程序化购买利用实时竞价(RTB)和预设算法规则,在毫秒级完成广告曝光机会的评估与竞价。
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## Core Components
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- **DSP(Demand-Side Platform)**:需求方平台,广告主/代理商用来自动化购买广告库存的接口
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- **SSP(Supply-Side Platform)**:供应方平台,发布商用来出售广告库存
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- **Ad Exchange**:连接 DSP 与 SSP 的公开或私有交易市场
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- **Deal ID**:预先协议的交易 ID,允许广告主以固定价格预订优质库存
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- **PMP(Private Marketplace)**:私有市场,比公开竞价更具排他性和品牌安全性
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- **Programmatic Guaranteed**:程序化保证交易,固定价格、固定量保证
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## Types of Programmatic Buying
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| 类型 | 说明 | 品牌安全性 |
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|------|------|-----------|
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| Open Exchange | 公开实时竞价 | 低 |
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| PMP | 私有市场邀请竞价 | 中 |
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| Programmatic Guaranteed | 固定价格保证量 | 高 |
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## Key Metrics
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- **CPM(Cost Per Mille)**:每千次展示成本
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- **Viewability Rate**:可见展示率(目标 ≥70% MRC 标准)
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- **Invalid Traffic Rate**:无效流量率(目标 <3%)
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- **Win Rate**:竞价成功率
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## Related Concepts
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- [[ABM Display]]
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- [[Viewability]]
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- [[Frequency Cap]]
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- [[Supply Path Optimization]]
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## Sources
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- [[paid-media-programmatic-buyer]]
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