Leveraged Gold Stocks: Miner Margins, NUGT and JNUG

Take a hypothetical session. Gold rises 2%. A gold miners index climbs 5% the same day, and a fund built to double that index closes up about 10%. Flip every sign and the chain runs the other way, with the biggest number landing on whoever bought the last link, usually without having sized the position for leverage stacked on leverage.

Why do gold miners move more than gold?

A gold producer sells at the market price. Its bills are fuel, wages, explosives, equipment, power and the royalties owed to governments, and over a quarter or two most of those barely move. Profit is the thin slice between price and cost, and a thin slice changes shape fast.

The industry’s yardstick for that cost is all-in sustaining cost, or AISC. The World Gold Council first published guidance on it in June 2013 and later revised it, treating AISC and the wider all-in cost as non-GAAP measures that a company should reconcile to its audited accounts. Corporate overhead goes in. Certain financing items stay out, interest expense among them, which means a miner carrying heavy debt has a real breakeven sitting above its reported AISC, so the margin that drives its operating leverage is thinner than the headline figure suggests.

Divide the gold price by the margin per ounce and you get roughly how many times gold’s percentage move lands on profit. A fat margin gives a modest multiple. A margin squeezed toward zero gives an enormous one, both ways.

Share prices follow that multiple loosely. Investors price years of future output, reserves, debt, forward sales and whatever acquisition management tries next, so a miners index usually moves a smaller multiple of gold than the margin arithmetic implies, and on some days it heads the opposite way. When that extra equity risk is worth carrying at all is the subject of gold ETFs or gold miners.

Are junior miners more leveraged than majors?

Usually, yes.

Smaller producers often run a single operation or a handful, with lower grades or less scale, so their costs sit closer to the gold price and the price-over-margin multiple runs higher. Then come the developers and explorers with no output at all. Their value rests on what a deposit might be worth once it is financed, permitted and built, which is a guess about cash flows years away that a higher gold price inflates quickly and a lower one can wipe out on paper in a week.

VanEck’s GDXJ follows the MVIS Global Junior Gold Miners Index. Direxion describes that index as micro-, small- and mid-cap companies drawing at least half their revenue or assets from gold or silver mining, plus companies whose projects could reach that share once developed. GDX follows the MarketVector Global Gold Miners Index. It is float-adjusted and weighted by a modified market cap, so the big producers dominate.

Neither index is pure gold. Silver miners appear in both. Royalty and streaming companies, which pay a producer upfront for a cut of its future output and run no pits themselves, sit among the large index holdings, and their profits follow the metal with far less cost exposure.

What are NUGT, DUST, JNUG and JDST?

Direxion runs a bull and a bear fund on each of those indexes, each with a daily multiple. The details below come from Direxion’s and VanEck’s fund pages, fact sheets and daily holdings files, as of October 2026.

Ticker	Fund	Daily target	Index	Inception
GDX	VanEck Gold Miners ETF	1x (index fund)	MarketVector Global Gold Miners Index	May 16, 2006
NUGT	Direxion Daily Gold Miners Index Bull 2X ETF	200%	MarketVector Global Gold Miners Index	Dec. 8, 2010
DUST	Direxion Daily Gold Miners Index Bear 2X ETF	-200%	MarketVector Global Gold Miners Index	Dec. 8, 2010
GDXJ	VanEck Junior Gold Miners ETF	1x (index fund)	MVIS Global Junior Gold Miners Index	Nov. 10, 2009
JNUG	Direxion Daily Junior Gold Miners Index Bull 2X ETF	200%	MVIS Global Junior Gold Miners Index	Oct. 3, 2013
JDST	Direxion Daily Junior Gold Miners Index Bear 2X ETF	-200%	MVIS Global Junior Gold Miners Index	Oct. 3, 2013

None of these owns gold. NUGT and JNUG hold shares of GDX or GDXJ, swap contracts with several banks that pay the return on those same ETFs, and cash in Treasury money market funds. DUST and JDST hold short swap positions and cash. Older price history reflects different settings. Direxion’s fact sheets say the pairs targeted 300% and -300% until April 1, 2020. NUGT and DUST also switched benchmarks around September 19, 2025, moving from the NYSE Arca Gold Miners Index to the MarketVector index.

For twice gold’s daily move with no mining companies involved, the 2x gold ETF funds track bullion or gold futures. The gold ETF list sets the physical trusts beside both groups.

How does the daily reset behave on a miners index?

Every close, each fund resets to its target exposure. Over one session you get roughly twice the index. Over several sessions the outcome depends on the path, and a miners index swings hard enough for the path to bite within a week.

Both funds lost about 5%. The index lost about 1.3%. Gold itself may have gone nowhere that week, since daily moves of 8% would be extreme for the metal and are far less unusual among junior miners, which is why the drag builds faster on JNUG and JDST than on any bullion fund. Direxion says outright that over any period longer than one day the funds should not be expected to return twice the index. Run your own path through the leveraged ETF decay calculator.

What does stacking leverage on leverage do?

Multiply the layers. Say the miners index moves twice as far as gold on a given day; a 2x miners fund then moves about four times as far as gold. At three times, the fund moves six.

The first multiple is the unstable one. It shifts with margins, with the stock market’s mood and with company news, and some days it turns negative, the index falling while gold climbs. That case hurts most. A trader long NUGT as a bet on gold can be right about the metal and still lose twice the miners’ drop, on a day when equities sell off across the board. DUST holders get the mirror image when gold slides and miners rally anyway.

Write the thesis down before the ticket. A view on gold belongs in something that holds gold. A view that miners will outrun gold belongs in GDX or GDXJ, and the 2x fund is a sizing choice layered on top of that view.

How do you size a 2x miners position?

Size from the stop. Set the stop from the instrument’s own volatility, using average true range, which measures the typical daily range including gaps. A 2x fund’s ATR runs roughly twice its index’s in percentage terms.

Both positions lose about $500 if the stop fills. The 2x fund ties up about half the capital for the same risk, and freeing that capital is the honest case for using it at all.

A stop order cannot cap a gap. Miners gap on overnight news, a cost update in a quarterly report or an accident underground, and a gap straight through the stop on a 2x fund costs twice the gap. Cut the size again before the big producers report.

What risks do miners carry that gold does not?

• Costs. Energy, labor, equipment and reagents feed AISC, and when they climb alongside gold the margin can stand still while the price rises.
• Jurisdiction. Mines sit where the ore is. Governments raise royalty rates and taxes, stall permits, restrict exports or demand a bigger stake, and both miners indexes spread across many countries, with Canada carrying the largest weight in the breakdown Direxion publishes for NUGT’s index.
• Dilution. Developers pay for construction by selling new shares. A rally in gold can arrive alongside a share issue that spreads the gain over more stock, and juniors do this most.
• Debt and forward sales. Interest sits outside AISC. A miner that sold future output at a fixed price gives up part of any rally.
• Operations. Grades disappoint. Pits flood. A single-asset company can lose most of its value when its only operation stumbles.

Ordinary stock market risk sits on top of the list, and a bar in a vault carries none of it.

Which version of the trade fits which view?

For a view lasting weeks or months, GDX or GDXJ carry the miners’ operating leverage without any reset. For a session or two with a defined stop, NUGT or JNUG add the second layer, sized down by ATR so the dollar risk matches what a plain miners position would carry. DUST and JDST suit a short bearish view or a brief hedge on miner shares, and the inverse ETF list sets them beside the -2x funds on stock indexes. A retirement account that buys and forgets is the worst home for any of these funds.