Why does the ATP sell shares?

As the price pushes up based on the increased demand, the ATP begins selling the shares as the program is designed to take advantage of the specific event, and not trade the stock on its own merits necessarily.

What is an arbitrage trading program (ATP)?

An arbitrage trading program (ATP) is a computer program that seeks to profit from financial market arbitrage opportunities. These opportunities occur from financial market mispricings which can be profitable when traders take positions on underlying securities such as stocks or commodities, or derivatives based on them.

What is the difference between Gross ATP and net ATP?

Gross ATP represents the total available supply, and net ATP represents the supply remaining to support new demands, after existing commitments to customers have been accounted for. [citation needed] Pull-based models, on the other hand, dynamically allocate resources in response to actual customer orders.