Your order is running the “While spending full budget, maximize performance” bid strategy and opted into “bid optimization models.” The lines in your order start under-pacing. This will most likely cause which of the following?

When an order with the "While spending full budget, maximize performance" bid strategy and "bid optimization models" enabled starts under-pacing, it means the system is not spending its budget fast enough to meet its pacing goals. To correct this, the Amazon DSP will increase submitted bids for most impressions. This action aims to win more auctions and increase delivery, thereby accelerating spend and bringing the order back on pace. The other options are incorrect because: "The Amazon DSP will increase/decrease the model-predicted action for most impressions" is incorrect. The model-predicted action (e.g., probability of conversion) is an input to the bidding decision, not an output that the DSP directly manipulates to adjust pacing. "The Amazon DSP will decrease submitted bids for most impressions" is incorrect. Decreasing bids would further reduce impression wins and slow down spend, exacerbating the under-pacing issue.