UNG heads into September with a striking reversal: short sellers are retreating, borrow conditions have eased sharply, and options traders have pivoted hard toward calls — all while the fund itself quietly grinds higher.
The most telling shift this week is in the lending market. Availability has surged to 427%, meaning there are now more than four shares available to borrow for every one already lent out. That is a dramatic loosening from the tightest point of the past year, when availability compressed to just 2.4% — a near-complete lockout of the borrow pool. As recently as late July, availability was running below 55% on multiple sessions, and cost to borrow was above 1.9% at its August 7 peak. Both of those pressures have now unwound. Cost to borrow has halved from that peak to 0.82%, and the 30-day decline in borrow cost is more than 54%. The message from the lending market is clear: the squeeze conditions that defined August have faded.
Short interest reinforces that picture. Bears pulled back hard this week. SI dropped nearly 20% over the past five trading sessions to 6.4% of free float — still a meaningful level, but the direction of travel is unambiguous. At its August 7 peak, estimated short shares were above 6.7 million; they are now closer to 3.1 million. The ORTEX short score has followed that trajectory down, falling from above 63 in mid-August to 49.7 — crossing back below the neutral 50 threshold. That shift from elevated to neutral reflects a market where the bears have reduced their conviction rather than added to it.
Options traders have moved in the opposite direction. Positioning has turned unusually bullish — the put/call ratio is at 0.30, nearly two standard deviations below its 20-day average of 0.39. That is close to the 52-week low of 0.24, and a sharp reversal from the more balanced readings seen through mid-August when the PCR was consistently above 0.41. The gap between where short sellers are positioned and where options traders are leaning is the central tension in UNG right now: one group is covering, the other is buying calls.
The price action supports the bullish side of that trade. UNG has gained 3.4% on the week and 5.2% over the past month, closing at $10.58. That modest momentum matters in context: the fund's quarterly filings — which UNG reports as a commodity ETF rather than a conventional earnings event — have been followed by positive price moves in three of the last four instances, with a 5.3% one-day gain after the most recent August 7 filing and a 12% five-day move after the February print. The institutional register offers little additional signal; Goldman Sachs holds the largest disclosed stake at just 2.1% of shares, and the holder list reads like a spread of market-makers and passive allocators rather than fundamental conviction holders.
The next data point worth watching is whether the borrow pool tightens again — availability has been volatile enough over the past six weeks to swing from 1,167% to 2.4% and back — or whether the call-heavy options positioning reflects a genuine change in sentiment toward natural gas prices heading into the autumn demand season.
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