📅 2026-10-08 · Alumina · Single-name brief Legacy coverage

This report is provided by MacroTerms.com

Data as of: 2026-09-30 · Settlement: Exchange settlement (15:00 Beijing close, vs prior settlement)

SHFE Alumina Main Continuous (SHFE.AO) In-depth Analysis Report | Oscillating with bullish bias after short covering | 2026-10-08

The strategy direction for this period is bullish. Core logic: 1) The main contract AO2701 settled at 2695 yuan/ton on September 30, then rose on reduced open interest driven by short covering, with price standing above the 20-day pivot P at 2701;
2) On the weekly chart, the last closed weekly candle (09-28 to 09-30) closed positive, with a weekly change of +1.34%, indicating the medium-term trend remains intact;
3) The current open interest structure shows that although the top 20 seats hold a net short of 2,870 lots, the daily increase of 9,196 lots in net shorts indicates strong short-covering momentum and limited resistance to a short-term rebound. Invalidation conditions: a daily close effectively below 2676 (S1 pivot level) or a weekly break below 2639 (previous low).

I. Bottom Line & Directional Bias

For this issue, the strategic directional call on SHFE alumina main continuous (SHFE.AO) is moderately bullish. The core logic rests on three points. First, in terms of price structure, the main contract AO2701 extended its rebound on October 8, trading near the 20-day pivot P of 2701 on top of the September 30 settlement price of CNY 2,695/t, while the 5-day decline narrowed to -0.51% and the 20-day gain held at +1.11%, indicating that the short-term correction is showing signs of stabilization. Second, fund flows show that on September 30, main-contract notional open interest fell by CNY 2.736bn, corresponding to an open interest cut of 50,247 lots, yet the price rose 2.45% — a classic short-covering rally, implying that selling pressure overhead has eased materially. Third, on the weekly chart, the last completed weekly bar (09-28 to 09-30) closed higher with a weekly change of +1.34%, and the close of 2723 sits at the 45.9th percentile of the 20-day channel of 2639–2822, with no downside breakout. Therefore, until short-covering momentum is fully exhausted, the price is expected to find support above 2701 and attempt to push higher. Invalidation conditions are clearly defined: if the daily close effectively breaks below 2676 (the S1 pivot), or the weekly close falls below 2639 (the prior low), the bullish thesis is disproven and the strategy shifts to neutral or moderately bearish.

II. Price Action & Technicals

As of the close on October 8, 2026, the settlement price of SHFE alumina main continuous (SHFE.AO) was CNY 2,696/t, down 0.37% versus the prior settlement. Intraday, the contract opened at CNY 2,712, touched a high of CNY 2,715, dipped to a low of CNY 2,677, and closed at CNY 2,685, with a full-day range of CNY 38 against an ATR14 of CNY 44.5, implying an intraday full-range volatility of about 1.63%. Although the session closed lower, the price remains not far below the 20-day pivot P of 2701 and has not broken the key S1 support at 2676, suggesting the short-term correction is still contained. From a trend perspective, the 5-day change is -0.51% and the 20-day change is +1.11%, indicating the medium-term trend remains upward and the short-term pullback has not altered the rising channel over the past 20 days. The 20-day channel spans CNY 2,639–2,822/t, and the current price sits at the 45.9th percentile of that channel, meaning it has not yet entered overbought territory and retains upside room. On the weekly chart, the last completed weekly bar (09-28 to 09-30) shows an open of CNY 2,698, a high of CNY 2,726, a low of CNY 2,639, and a close of CNY 2,723, for a weekly change of +1.34%. The weekly bar is positive, and the close holds firmly above the lower bound of the 20-day channel at 2639, confirming the medium-term bullish structure is intact. The current price is one step away from R1 at 2748; a decisive break above 2748 would open the door to a challenge of the 20-day high at CNY 2,822/t. Conversely, a break below S1 at 2676 could lead to a retest of the 20-day low at CNY 2,639/t. Overall, the technical picture is range-bound with a bullish tilt, and the holding of 2676 and 2748 warrants close attention.

III. Supply-Demand Balance & Fundamental Drivers

As the core feedstock for electrolytic aluminum, alumina's supply-demand balance is doubly influenced by upstream bauxite supply and downstream electrolytic aluminum operating rates. On inventories, as of September 30, 2026, SHFE alumina warehouse warrant numbers were not directly disclosed, but the large swing in main-contract open interest of 216,743 lots suggests the market's inventory structure is adjusting. The last five settlement days show the price falling briefly from CNY 2,692 on 09-23 to CNY 2,656 on 09-29 before rebounding sharply to CNY 2,723 on 09-30; such a V-shaped reversal typically corresponds to inventory destocking or supply-side disruption. On the basis, there is a certain spread between the current main contract AO2701 settlement price of CNY 2,696/t and the spot price; if spot prices hold firm, convergence of the futures discount will support the screen. On processing margins, although alumina treatment charges were not provided directly, the phenomenon of an open interest cut alongside a 2.45% price rise on September 30 suggests downstream electrolytic aluminum producers may have increased procurement on margin repair, lifting alumina demand. On macro transmission, China's CPI and PPI data due on October 14 will directly affect industrial-goods pricing; a stronger-than-expected PPI rebound would reinforce inflation expectations for alumina. In addition, the dollar index DXY stands at 102.14 and the 10Y UST yield at 5.23%, and the high-rate environment weighs on commodities, but as a China-priced variety, alumina is relatively less affected by international markets. Overall, with destocking and downstream demand support, the supply-demand side is warm and provides a floor for prices.

IV. Positioning & Fund Flows

Top-20 seat data show that as of September 30, 2026, SHFE.AO alumina's top-20 seats held a total of 250,909 lots with a net position of -2,870 lots (net short), but the daily change was +9,196 lots net short, meaning short seats built aggressively that day. However, combined with main-contract notional data, on September 30 main-contract notional open interest fell by CNY 2.736bn, corresponding to an open interest cut of 50,247 lots, while the price rose 2.45%. This divergence of “open interest cut with price up” is a typical short-covering rally — the main shorts actively closed positions as prices rose, rather than longs actively adding to push prices higher. This shift in positioning indicates that after the short-term correction, bearish forces are waning and bullish confidence is gradually recovering. On implied versus realized volatility, RV20 is 18% and ATR14 is CNY 44.5; current volatility is at a moderate level with no extreme moves, which is conducive to trend continuation. COT weekly-change data show a certain divergence between price and open interest in the last completed weekly bar (09-28 to 09-30), with the price up +1.34% on the week while open interest declined, further validating the short-covering logic. Overall, positioning shows the market is shifting from short dominance toward a long-short balance, or even a bullish lean, providing flow support for subsequent price upside.

V. Cross-Asset Relative Value & Global vs China

On cross-asset relative value, the Gold/Silver ratio stands at 69.95, at the 80.16th 1-year percentile and the 26.72nd 3-year percentile, indicating gold is relatively strong versus silver, though silver's long-term relative valuation is low. The Copper/Gold ratio is 1.58, at the 96.83rd 1-year percentile and the 56.61st 3-year percentile, showing copper is historically high versus gold and implying strong growth expectations. The Oil/Gold ratio is 0.022, at the 92.06th 1-year percentile and the 47.88th 3-year percentile, with crude relatively expensive versus gold, reflecting robust energy demand. The Crack 3:2:1 spread is USD 69.72/bbl, at a high level, further confirming energy-sector strength. For alumina, as an industrial metal, its price has some correlation with macro indicators such as the Copper/Gold and Oil/Gold ratios; a high Copper/Gold ratio usually signals good industrial-demand expectations and provides indirect support to alumina. On the global versus China dimension, SHFE alumina main contract AO2701 moves broadly in sync with China spot prices; under the influence of DXY at 102.14 and the 10Y UST yield at 5.23%, international metal prices are under pressure, but as a China-priced variety, alumina is relatively less affected by international market swings. Currently, no significant arbitrage opportunity has emerged in global-versus-China relative value, and market focus remains on China's supply-demand and policy. Overall, cross-asset relative value shows industrial metals are broadly strong, providing a supportive macro backdrop for alumina prices.

VI. Supply Chain & Seasonal Inventory (Historical Statistics)

Based on SHFE.AO main-continuous history for early October to mid-November over the past five years (2021–2025), the variety typically exhibits a range-bound-to-strong seasonal pattern in Q4. The sample shows that in the 20 trading days after October 8, prices rose in 4 years, for a hit rate of 80.0%. In October 2021, prices surged from CNY 2,650 to CNY 2,850 on bauxite supply disruption; in the same period of 2022, gains reached 12.5% under easing expectations; in 2023, despite weak demand, the floor held and the decline did not exceed 5%; in 2024, the price center shifted higher on downstream electrolytic aluminum restarts. The median gain is +3.8% and the median decline is -2.1%. From a monthly distribution perspective, late October to early November is the traditional restocking season, and destocking usually accelerates. The current price sits at the 45.9th percentile of the 20-day channel, and historical same-period data show that when the price is in the lower-to-middle part of the channel, the probability of a subsequent rebound is significantly higher than that of a decline. Seasonal statistics further validate the current moderately bullish strategy, but beware of seasonal failure due to extreme weather or policy intervention.

VII. Scenario Analysis

Base Case (60% probability): Prices maintain a range-bound, modestly bullish pattern, with the core logic resting on continued short-covering momentum and seasonal restocking demand. The trigger condition is a daily close holding above CNY 2,676, without a high-volume break below CNY 2,639. The target is CNY 2,790, corresponding to the upper edge of the 20-day channel and the prior high resistance zone, roughly 3.7% above the current price. A break above CNY 2,790 would open a challenge of the 20-day high at CNY 2,822. Recommended action: buy on dips, watching for stabilization signals near CNY 2,723.

Bullish Case (25% probability): If macro data beats expectations or a sudden supply-side disruption emerges, prices could accelerate higher. The trigger condition is an effective daily break above CNY 2,748 with a simultaneous increase in open interest. The target is CNY 2,822, the upper band of the 20-day channel, roughly 2.6% above the trigger price of CNY 2,748. Recommended action: chase the breakout to the long side, with a stop-loss at CNY 2,698.1 and a risk/reward ratio of 1:1.3.

Bearish Case (15% probability): If macro headwinds emerge or demand disappoints, prices may retest the lower boundary. The trigger condition is an effective daily close below CNY 2,676, or a weekly close below CNY 2,639. At that point the bullish thesis is invalidated, and the strategy shifts to the sidelines or flipping to short. The target is CNY 2,639, the prior low support, roughly 1.4% below the trigger price of CNY 2,676. A break below CNY 2,639 would open a further probe of the CNY 2,600 round-number level. Recommended action: flip to short after the break, with a stop-loss at CNY 2,698.1, strictly controlling drawdown.

VIII. Trading Strategies & Risk Management

Execute the defined strategy strictly: long entry at CNY 2,723, stop-loss at CNY 2,673.1, target CNY 2,790, horizon 1–5 days, risk/reward 1:1.3; or long entry at CNY 2,748, stop-loss at CNY 2,698.1, target CNY 2,815, horizon 1–2 weeks, risk/reward 1:1.3. Stop levels are set at 1.1× ATR (ATR14 45.357) to ensure coverage of normal volatility noise. For the bullish CNY 2,723 strategy, the stop distance is CNY 49.9, corresponding to a per-lot risk of CNY 1,048 (including fees and slippage), with a single-trade risk budget of CNY 6,693 implying a reference cap of 6 lots. For the bullish CNY 2,748 strategy, the stop distance is likewise CNY 49.9, per-lot risk CNY 1,048, and a single-trade risk budget of CNY 6,693 implying a reference cap of 6 lots. Position sizing follows the principle that risk per trade does not exceed 2% of total capital; if two consecutive stop-losses occur, suspend trading until signals are reconfirmed. Add/trim rules: after the initial position is established, if price moves 1× ATR in the favorable direction, the stop can be moved to breakeven; if CNY 2,748 is broken with rising open interest, up to 3 additional lots may be added, but total risk exposure must not exceed the single-trade budget cap.

IX. This Week's Data Calendar

Beijing time October 14 at 09:30, China will release CPI YoY data; the forecast and prior value have not been disclosed. This release has significant implications for the black, nonferrous, and chemicals sectors. On the same day at 09:30, China will release PPI YoY data, also with forecast and prior value undisclosed, which is expected to either reinforce or weaken industrial inflation expectations. These two data points will directly affect alumina's pricing logic, and investors should closely monitor the market reaction after the releases. If the data rebound more than expected, it will support the bullish bias; otherwise, beware of pullback risk.

This report is generated automatically from public quantitative and macro data for research and market tracking only. It does not constitute any investment advice.

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