SGDM, the Sprott Gold Miners ETF, enters the week with a striking divergence: the fund is up 25% over the past month, yet short sellers have just made their most aggressive move on the name in recent memory.
The positioning story here is entirely about the speed of the short build. Short interest was effectively zero for most of July and early August — availability readings were at their maximum, reflecting no meaningful borrow demand whatsoever. Then, starting August 13, something shifted. Shorts jumped from roughly 8,000 shares to more than 41,500 in five trading days, a 315% increase week-on-week. That's a fivefold build in less than a week. Availability has tightened accordingly, dropping from a completely open lending pool — well above 3,000% just days ago — to 203% now. The borrow market is still far from stressed, and cost to borrow remains low at 0.57%. But the direction is unmistakable. Someone is taking a meaningful new short position in this fund, and they moved fast.
The ORTEX short score underlines the shift. It spent the first two weeks of August anchored near 25 — a low reading indicating minimal short interest pressure. It has now jumped to 45.9, nearly double its recent baseline, reflecting the sudden change in positioning. This is not yet a crowded short by any measure: 0.44% of float is a trivial level, and borrow is cheap. But the rate of change is the story, not the absolute level.
Options positioning, by contrast, remains calm — almost deliberately so. The put/call ratio sits at 0.14, barely above its 20-day average of 0.13, and the z-score of 0.73 shows no meaningful deviation from recent norms. For a fund that has surged 25% in a month and just drew its first aggressive short position in months, the options market shows no sign of hedging demand. Calls continue to dominate the open interest by a wide margin, near the most bullish readings of the past year.
The backdrop for SGDM's rally is straightforward: gold miners have ridden a surge in the underlying metal, with the ETF's holdings benefiting from expanding margins and upward earnings revisions across the sector. The one-day pullback of 3.7% on August 18 — while the fund is still up 25% over thirty days — is the natural context for why shorts may be moving now. A fast-money bet that the miners' run has overshot gold's own momentum is the most plausible read on this week's short build.
What to watch: whether the short build continues through next week and whether availability tightens further toward the 52-week low of 43.9% — that combination would signal the new short position is growing more committed, not fading.
See the live data behind this article on ORTEX.
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