ERO · Ero Copper Corp. · Stock research

Current Thesis

The leg on offer is a leveraged copper producer whose second asset finally works, priced into a metal tape at record highs. Tucumã produced 8,964 tonnes of copper in Q2 2026 at a C1 cash cost of $2.10/lb — below the Caraíba mine's $2.76/lb and below consolidated $2.42/lb — on 715,415 tonnes processed, 1.44% grade and 88.2% recovery (results release, 2026-08-05). That converted into $284.3M revenue, $144.0M adjusted EBITDA and $0.83 adjusted diluted EPS, against consensus of $280.5M and $0.78 (Benzinga, 2026-08-05). The metal did the rest: Investing News Network puts the highest-ever COMEX copper print at US$6.77/lb intraday on 2026-08-07, with LME three-month at US$14,258/t the same day. What an investor is buying is the second derivative — a ramp that is de-risking into a price environment that pays for every incremental tonne. What is not on offer at the 2026-08-14 close of $33.80 is a discount: RSI(14) at 75.0, +24.0% over three months, and price sitting at or above the published sell-side targets that exist.

Bullish and bearish views on Ero Copper Corp.

The model's bull view on Ero Copper Corp. (ERO), in brief: Tucumã is no longer a promise. Q2 2026 throughput of 715,415 tonnes was a 27% sequential increase; recovery ran 88.2% at 1.44% Cu (results release, 2026-08-05). Optionality management explicitly excluded from guidance. The tailings filtration expansion completed at the end of Q2… The bear view: The equity is not confirming the metal. COMEX copper set a record on 2026-08-07; ERO closed 2026-08-14 at $33.80, still 11.1% below its 52-week high of $38.03. The stock is lagging its own input at the input's best moment. Price is through the targets. The BofA target of $34… Both cases follow in full.

Bull Case

• Tucumã is no longer a promise. Q2 2026 throughput of 715,415 tonnes was a 27% sequential increase; recovery ran 88.2% at 1.44% Cu (results release, 2026-08-05).
• Optionality management explicitly excluded from guidance. The tailings filtration expansion completed at the end of Q2 2026 lifted capacity ~8%; additional modular filters are slated for H2 2026 commissioning, and the company stated the associated plant and production benefits are not in 2026 guidance ranges (2026-08-05).
• Costs sit inside the guided band. Consolidated copper C1 of $2.42/lb in Q2 against full-year guidance of $2.15–$2.35/lb, with Tucumã already at $2.10/lb — the low-cost asset is the one still ramping.
• Guidance held, not trimmed. 2026 copper guidance maintained at 67,500–77,500 t, gold 40,000–50,000 oz, capex $285–330M (2026-08-05). Reiteration after a beat is a different signal from reiteration after a miss.
• Metal backdrop is dated and observable. Bloomberg reported on 2026-08-14 that the LME August-over-September spread exceeded $260/t, the widest one-month spread since the 2021 squeeze; LME available stocks were reported just over 101,000 t on 2026-08-10, the lowest since January.
• Sell side turned in July. B of A Securities upgraded ERO to Buy and raised its target to $34 on 2026-07-16 (Benzinga).
• Long-dated optionality is being drilled, not just described. Furnas: over 31,000 metres completed year-to-date with Phase 3 showing high-grade continuity in the SE and NW zones; pre-feasibility study guided for 2027.

Bear Case

• The equity is not confirming the metal. COMEX copper set a record on 2026-08-07; ERO closed 2026-08-14 at $33.80, still 11.1% below its 52-week high of $38.03. The stock is lagging its own input at the input's best moment.
• Price is through the targets. The BofA target of $34 (2026-07-16) is essentially at spot, and a MarketBeat-syndicated aggregation dated 2026-08-09 put the consensus target at $32.33 with 9 of 17 covering firms at hold. Upside from here requires target revisions, not target convergence.
• The balance sheet is levered into a capex year. Net debt $452.7M against cash of $101.7M and available liquidity of $181.7M (2026-06-30), while 2026 capex is guided at $285–330M.
• The full-year copper range depends on a second-half step-up. Q2 consolidated output was 17,315 t against 67,500–77,500 t for the year; management explicitly described production as second-half weighted at both copper operations. Any Tucumã grade decline not offset by throughput puts the low end in play.
• Gold flatters the cost line. Of 20,553 oz produced at Xavantina in Q2, 11,860 oz came from reprocessed historic concentrate at $633/oz C1 and $715/oz AISC; mined production ran $1,586/oz C1 and $2,881/oz AISC. Inference: the cheap ounces are a finite stock, and consolidated cost optics normalise when they run out.
• Part of the copper bid is regulatory arbitrage, not consumption. The 2025 Section 232 order contemplates a phased universal duty on refined copper starting at 15% on 2027-01-01, rising to 30% on 2028-01-01. Reporting through July 2026 attributed much of the inventory movement to tariff-driven flows and short-covering rather than physical tightening — a positioning stock that can unwind.

Setup & Price Structure

Life-cycle: MATURING. The copper-scarcity narrative has been mainstream since the 2025 Section 232 order and was on Bloomberg's tape again on 2026-08-14; attention is broad and still working, but the company-specific re-rating driver (the Tucumã ramp) is measurable and unfinished rather than freshly discovered. What dates the label: the metal made a record on 2026-08-07 and the equity was still 11.1% under its 52-week high a week later. Fresh headlines are arriving (BofA upgrade 2026-07-16, Q2 beat 2026-08-05) without producing a new price high — moderating flow inside a live theme.

Crowding and positioning observables, stated without verdict:

• RSI(14) 75.0 at the 2026-08-14 close of $33.80 — the third month of a +24.0% advance.
• Spot is above the aggregated consensus target of $32.33 (2026-08-09) and at the $34 BofA target set 2026-07-16.
• No company-specific print inside the next 30 days: Q2 was reported 2026-08-05, and the next scheduled disclosure is the Q3 report, historically early November.
• Ero is a Canadian issuer filing on 40-F; US Form 4 screens do not capture its insider activity, so no insider-selling observable is available from EDGAR for this window.

Structurally, the name is trading between the post-print advance and unrecovered resistance at the $38.03 area. There is no fresh base under current price — the advance has been continuous — which is what makes an entry at RSI 75 an entry without a defined shelf beneath it.

Catalyst Calendar (next 30 days)

• ~2026-08-19 (est.) — LME August monthly prompt date. Resolves whether the >$260/t August-over-September premium reported 2026-08-14 was a genuine physical shortage or a positioning squeeze that decays on the roll.
• No company earnings, guidance event or regulatory decision is scheduled inside the 30-day window. The next dated company catalyst is the Q3 2026 report, estimated ~2026-11-04 (est.) on the historical cadence — outside this window.
• Beyond the window: 2027-01-01, the contemplated 15% universal duty on refined copper imports under the Section 232 framework; 2027, the guided Furnas pre-feasibility study.

Elapsed catalysts

• H2 2026 (no date given) — commissioning of additional modular tailings filters at Tucumã. Company stated on 2026-08-05 that the associated benefits are excluded from 2026 guidance; delivery is upside to the guided ranges, slippage is not a guidance cut. (passed 10d ago)

What Would Change Our Mind

The structural break is the second-half production weighting failing. Management guided 2026 copper to 67,500–77,500 t with output second-half weighted at both operations after 17,315 t in Q2; a Q3 report that trims the range, or a Tucumã grade decline that throughput does not offset, removes the ramp arithmetic that the whole re-rating rests on. Cost is the second axis: consolidated C1 of $2.42/lb is already above the $2.15–$2.35/lb full-year band, and a Q3 print holding above $2.35/lb with copper off its highs would compress the margin the market is currently extrapolating.

On price: a weekly close below $30 surrenders the advance built through the 2026-08-05 beat and the 2026-08-07 copper record, and puts the shares back under the aggregated consensus target of $32.33. Secondary condition: sustained COMEX copper trade under $6.00/lb — the metal was quoted at $6.59/lb on 2026-08-14 — which would take the price support out from under a $144.0M quarterly EBITDA run. A third condition is narrative-structural: if the LME spread collapses after the mid-August prompt roll and inventories rebuild, the tightness story reads as tariff positioning, and the theme moves toward SATURATED with the equity still below $38.03.

Correlation Notes

• Beta is to the copper price first and the company second. The 2026-08-07 COMEX record and the 2026-08-14 LME spread blowout are the same trade expressed in every listed copper producer; ERO's relative performance against Freeport, Hudbay, Lundin and Teck separates operational delivery from metal beta.
• Two currencies, one asset base: revenue is US-dollar copper, costs are Brazilian real. FX moves in BRL hit the $2.42/lb consolidated C1 line directly and are outside management control.
• The gold stream at Xavantina (20,553 oz in Q2 2026) makes the name partially a bullion proxy, which decouples it modestly from pure copper peers — and, on the cost line, from itself, given the $633/oz historic-concentrate ounces versus $2,881/oz AISC on mined production.
• Dual-listed NYSE/TSX: published targets circulate in both C$ and US$ (for example, a reported early-August 2026 TD Securities target of C$45 alongside the US$34 BofA target of 2026-07-16). Comparing them without converting overstates or understates the implied upside.