David Fuller's view My silver (weekly & daily) purchase on Monday was in the expiring September contract, when I should have opened it in the December position. It was rolled forward today at a loss, following a sale of September silver at $40.73 against my purchase at $43.625 on 22nd August. A December position was simultaneously purchased at $40.802. I also bought December silver yesterday at $40.148. These prices include spread-bet dealing costs.