Available exclusively to publishers in the Amazon Publisher Services (APS) Streaming TV program, yield optimization turns unfilled ad breaks into monetized impressions at zero cost to enable and with no additional infrastructure required. Because ads are stitched directly into the stream before reaching the viewer, they play seamlessly on every device. Key highlights: - Built for scale: yield optimization is designed for large-scale live events such as professional league championships, with low latency and fast response times to maximize ad fill during peak viewership. - Brand safe: demand is filtered by category to avoid competitive conflicts within the same ad break. publishers set their own price floors and category rules to maintain full control over which ads run in their streams.