public class Product
{
    public Product()
    {
        Price = new Random().NextDouble();
    }

    public double Price { get; }
}

public class ProductFactory
{
    public ProductFactory()
    {
        Product = new Product();
    }

    public Product Product { get; } // we always return the same object reference here
}

// ...

context.SetParameter("productFactory", new ProductFactory());
context.Run(@"
for (let i = 0; i < 10_000_000; i++) {
    const product = productFactory.Product;
    product.Price;
}
");