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nexus/wiki/concepts/Programmatic-Buying.md
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---
title: "Programmatic Buying"
type: concept
tags: ["programmatic", "dsp", "display", "paid-media"]
sources: ["paid-media-programmatic-buyer"]
last_updated: 2026-04-26
---
## Definition
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。
## Core Components
- **DSPDemand-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
- **SSPSupply-Side Platform**:供应方平台,发布商用来出售广告库存
- **Ad Exchange**:连接 DSP 与 SSP 的公开或私有交易市场
- **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
- **PMPPrivate Marketplace**:私有市场,比公开竞价更具排他性和品牌安全性
- **Programmatic Guaranteed**:程序化保证交易,固定价格、固定量保证
## Types of Programmatic Buying
| 类型 | 说明 | 品牌安全性 |
|------|------|-----------|
| Open Exchange | 公开实时竞价 | 低 |
| PMP | 私有市场邀请竞价 | 中 |
| Programmatic Guaranteed | 固定价格保证量 | 高 |
## Key Metrics
- **CPMCost Per Mille**:每千次展示成本
- **Viewability Rate**:可见展示率(目标 ≥70% MRC 标准)
- **Invalid Traffic Rate**:无效流量率(目标 <3%
- **Win Rate**:竞价成功率
## Related Concepts
- [[ABM Display]]
- [[Viewability]]
- [[Frequency Cap]]
- [[Supply Path Optimization]]
## Sources
- [[paid-media-programmatic-buyer]]