NEXA enters the post-earnings period with a sharp weekly loss and a puzzling mismatch: short interest is building fast while the borrow market points to anything but a crowded short.
The week's defining moment came last Thursday's Q1 print. The stock dropped roughly 13% on May 7 following the results — the second consecutive earnings release to produce a double-digit single-day decline. Nexa Resources had already fallen 14% around its prior reporting event. Those back-to-back hits left the stock down 13.6% for the week even after a 3.8% bounce on Tuesday to close at $13.82. The one-month picture is more forgiving at +16.6%, but the earnings-day pattern is now hard to ignore: bulls buying the dip quickly face another reset when results land.
The positioning story is where it gets interesting. Short interest has nearly tripled since early April — from roughly 0.28% of the free float to 0.89% — with the sharpest jump coming in the days immediately after the May 7 earnings print. That's a 70% week-on-week increase in shares short. Yet the absolute level remains thin. Under 1% of the free float is not a crowded short by any measure, and the borrow market reflects that. Availability is effectively unlimited — ORTEX data shows availability at 9,999% of short interest, meaning shares are easy to borrow for anyone who wants them. Cost to borrow, though elevated at 26.2%, has actually been easing since late April, when it was running above 50%. Options tell a mildly more cautious story: the put/call ratio has climbed to 0.38, a 52-week high and above its 20-day average, but the z-score of 1.1 is not extreme. The market is hedging the downside without committing to it.
The Street stays neutral across the board, and recent targets cluster well below where the stock traded heading into earnings. Citigroup raised its target to $12.50 in April from $11.00, maintaining Neutral. Scotiabank holds Sector Perform with a $14 target. JPMorgan's Neutral-rated target of $7.50 looks like an outlier relative to the $11.88 consensus mean — at current prices of $13.82 the consensus mean itself implies modest downside, not a buy. Valuation multiples offer some support for bulls: the stock trades at a P/E of 5.2x and EV/EBITDA of 3.1x, both well below sector norms. The EV/EBIT factor score ranks in the 96th percentile — cheap by that measure. The dividend score is equally striking at the 94th percentile, underpinned by a special dividend of $0.1321 announced in March and payable in August. Against that, the bear case centres on leverage: the net debt/EBITDA ratio hovering near 2.3x, downward EPS revisions, and persistent zinc price uncertainty. Analyst consensus has been moving targets up and down in 2026 rather than in a single direction — mixed, not conviction.
Ownership is tightly concentrated. Hejoassu Administração S.A., the controlling shareholder, holds 64.7% of shares and has not changed its position. Among institutional investors, several hedge funds — Marshall Wace, Sagil Capital, and Two Sigma among them — appear to have opened or substantially built new positions as of year-end 2025 filings, though those disclosures are now several months old. Insider data is stale, with no transactions filed since late 2022, so it offers no current read on management sentiment.
The next scheduled earnings event is July 30. Between now and then, the key variable is whether the short-interest build that followed the May print continues at the same pace, or stabilises as the borrow-market looseness discourages deeper positioning. The dividend payment in August provides a near-term calendar anchor worth watching for any shift in the availability picture.
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