What it means
A normal gold ETF goes up when gold goes up. A short gold ETF does the opposite: if gold drops 1% in a day, the fund aims to gain about 1%.
Some versions are leveraged, meaning they aim for two times the opposite move, so a 1% fall in gold would target a 2% gain. These funds reset their exposure every day.
That means they are built to deliver the opposite of gold's return over a single day, not over a week, a month or a year. Over longer periods the result can drift away from what a simple reading of gold's price change would suggest.
The drift comes from compounding, which is the effect of each day's gain or loss being applied to a new, different starting balance. In a market that swings up and down, an inverse fund can lose money even when gold ends the period close to where it started.
The effect gets bigger with higher volatility and with leverage. Costs also matter.
The fund charges a management fee, pays trading costs on its derivatives and may pay a financing cost, all of which reduce returns. Because of this, short gold ETFs are generally used as short-term trading tools, and many providers state that clearly in their documents.
For a finance team, the main uses are hedging and speculation. A jewellery manufacturer that holds a large stock of gold might use one to offset a fall in the value of that stock, while a trader might use it to express a view that gold is overpriced.
Either way, the position should be monitored daily.
In practice
Real-world examples.
Example
A jewellery manufacturer holds gold bars worth $2,000,000 for future production and worries about a price fall in the next fortnight. The treasurer buys $500,000 of a short gold ETF for two weeks. If gold falls, the gain on the fund partly offsets the loss on the stock.
Example
A day trader believes gold has rallied too far after a strong week. She buys a short gold ETF in the morning and sells it before the close, so the daily reset does not distort her result. She keeps her position size small because the fund can move sharply.
Example
A pension scheme with a large allocation to mining shares wants a cheap, temporary hedge during a period of uncertainty. The investment committee buys a small short gold ETF position for one month. It reviews the position every week, because the risk of drift grows the longer it is held.
Formula
Calculation
Daily fund return = -1 x daily gold return (for a one-times inverse fund), before fees
Suppose an investor puts $100,000 into a one-times short gold ETF. On day 1 gold rises 10%, so the fund falls 10% and the balance becomes 100,000 x 0.90 = $90,000. On day 2 gold falls 5%, so the fund rises 5% and the balance becomes 90,000 x 1.05 = $94,500. Gold itself went from 100 to 110 to 104.5, a gain of 4.5% overall, so a naive reading would suggest the fund should be down 4.5%. The fund is actually down 5.5%, and the extra 1 percentage point is the compounding effect.Case study
Seen in the real world.
Kestrel Bullion Partners is an illustrative, fictional trading firm that deals in precious metal coins. Its owner felt gold was due for a correction and bought $300,000 of a short gold ETF, intending to hold it for three months.
Gold did not fall in a straight line. It rose for several weeks, dropped sharply, then rose again, and at the end of the quarter gold was only slightly lower than where it began. The ETF, however, had lost nearly 6% because of the daily resets and the swings along the way.
The owner learned that the fund was built for single-day moves rather than quarterly views. The illustrative takeaway is that a short gold ETF suits short holding periods, and a longer bearish view is better expressed with an instrument that matches the time horizon.
Watch out
Common mistakes.
- Holding a short gold ETF for months and expecting it to deliver the exact opposite of gold's return over that whole period.
- Ignoring leverage, when a two-times inverse fund can lose value twice as fast if gold rallies.
- Forgetting fees and financing costs, which reduce returns even when gold moves in the investor's favour.
Questions
People also ask.
Does a short gold ETF hold physical gold?
No, it generally uses derivatives such as futures or swaps that gain when the gold price falls, and it holds cash or short-term securities as backing.
Can an investor lose more than the amount invested?
In a typical ETF structure, no, the loss is limited to the amount invested, although the whole balance can be lost in a severe move, particularly with leveraged versions.
Why does the fund sometimes lose money when gold is flat?
Because the fund resets each day, a series of up and down moves in gold erodes its value through compounding, even if gold ends where it started.
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