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There are no boundaries on the lookback minutes. You can choose 10 minutes or 5000 minutes or more.
Optimization Type:
For Direct Connect supply tags, there is an option to set Optimization Type. The choices are 'SpringServe' and 'Custom'. The option 'SpringServe' allows SpringServe's optimization to select the best demand from your waterfall for your supply partner. Setting Optimization Type to 'Custom' requires that SpringServe's optimization adheres to the tiers and priorities of your waterfall when selecting demand for your supply partner. The Optimization Type 'Springserve' is the default as it will likely yield the best performance for your supply partner.
Notes on How to Select your Optimization Parameters
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