Pause - Endsems Method 1 : Buy Low, Sell High - Not profitable -> If we buy a first stock at 10 and a second at 7, the stock at 7 will be updated to be the price S at which S+1 we sell. A buyer propose 2 stocks at 8, we sell, we lost 1.
Pause - Endsems Method 1 : Buy Low, Sell High - Not profitable -> If we buy a first stock at 10 and a second at 7, the stock at 7 will be updated to be the price S at which S+1 we sell. A buyer propose 2 stocks at 8, we sell, we lost 1.