The paper market is 50 times larger and it comes down to...

The paper market is 50 times larger and it comes down to investor sentiment, interest rates at the moment.
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Came across this report. Seems each Gold Future trade cost around $52.50 to the traders hence it is very difficult for Gold traders and broker to make money.
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.. http://www.danielstrading.com/resources/offers/guides/gold-exposed-guide.pdf
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Abstract are below
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"10oz of spot Gold at today’s price equals $17,500, and if you are paying a 3% spread; this spread (transaction) is costing you $525 as a hidden fee. If you ask your gold dealer to sell you 10oz of gold and the purchase price is quoted to you as $1,750/oz, the actual purchase price would be about $1,697.50/oz which is $52.50 below the price you were charged. Basically you’re losing $52.50 per oz. from the start or $525 in “spread charges.” Not your ideal way to start an investment. In addition, some dealers will offer to store the gold for you and charge you fees plus insurance costs. They may also tack on additional commissions and transaction fees. For the same transaction in the futures markets, the commission would be approximately $50-$80 and this charge is disclosed to you before your purchase"