However, gold fell to USD 1,810 an ounce within the international market, whereas silver remained nearly unchanged at USD 25.37 an ounce. On a margin level, silver fell 0.36 per cent to USD 25.37 an ounce in New York. At the Multi Commodity Exchange, silver futures for delivery in September fell by Rs 248, or 0.37%, to Rs 67,353 per kg. On the Multi Commodity Exchange (MCX), gold futures opened at Rs. On the Multi Commodity Exchange, gold for delivery in October fell by Rs 85, or 0.18%, to Rs 47,807 per 10 grams. The time period "spot" refers to delivery of the commodity within two working days. The gold spot value relies on the gold price per ounce listed at any given time. So, you can buy and sell gold any time throughout a business week.