📅 2026-10-09 · Polyester Staple Fiber · Single-name brief Legacy coverage

This report is provided by MacroTerms.com

Data as of: 2026-10-08 · Settlement: Exchange settlement (15:00 Beijing close, vs prior settlement)

CZCE Staple Fiber Main Continuous (CZCE.PF) In-depth Analysis | Breakout above 20-day high with rising open interest, bullish bias | 2026-10-09

Bullish bias: the staple fiber main contract settled at 8726 on 10-08 and closed at 8910, breaking above the prior 20-day high of 8896; +11.07% over 5 days and +11.51% over 20 days, with the 20-day channel position at 96.6%, indicating a rising-open-interest advance (longs taking the initiative). The driver is a resonance between the cost side and low inventories: main contract nominal open interest of 68.1 hundred million yuan, daily change +0.2 hundred million yuan, open interest +455 lots, price +8.55%, volume and price moving in the same direction; the night session closed at 8796 on 10-08, +0.8% versus the settlement, a slight pullback from highs but without breaking the structure. Risks: the report day's session had not yet closed, and the final-day jump in main open interest is suspected to be a contract rollover, making open interest changes not comparable; the invalidation conditions are a settlement price break below pivot P 8720.67 and a further loss of S1 8493.33, or a reversal of the cost-side and inventory logic.

I. Bottom Line & Directional Bias

The conclusion is bullish. Three core reasons: First, price broke through a key level — the 10-08 settlement was 8,726 and the close was 8,910, breaking the prior 20-day high of 8,896, with +11.07% over 5 days and +11.51% over 20 days; the 20-day channel is 7,816–8,948, with the price at the 96.6% position, indicating strong trend momentum. Second, volume and price moved in the same direction — main contract notional open interest was CNY 6.81bn, with a daily change of +CNY 20m, open interest +455 lots, and price +8.55%; this is an open interest build on rising prices (longs taking the initiative), not short covering. Third, cost and inventory resonance — PTA processing fees on a screen basis and low inventories across the polyester chain support short fiber; the night session on 10-08 closed at 8,796, +0.8% versus settlement, a slight pullback from highs but no breakdown. Conditions for invalidation: if the settlement price falls below pivot P 8,720.67 and further loses S1 8,493.33, or if the cost support and low-inventory logic reverse, the bullish conclusion fails. Risk warning: the report date session had not yet closed, and the final-day jump in main contract open interest is suspected to be a contract roll, so open interest changes are not comparable.

II. Price Action & Technicals

Technicals have turned broadly stronger. The 10-08 settlement was 8,726 and the close was 8,910, +8.55% versus the prior settlement, +11.07% over 5 days and +11.51% over 20 days; the 20-day channel is 7,816–8,948, with the price at the 96.6% position, approaching the upper band. ATR14 is 302.86 (3.4%, full intraday range), RV20 is 38.8%; volatility is elevated, and the single-day range is already close to one ATR, so chasing highs requires guarding against pullbacks. Pivot P is 8,720.67, R1 is 9,137.33, and S1 is 8,493.33; the current price of 8,910 sits above P and below R1, with R1 about 227 points away — less than one ATR — so it is not used as a trading level; S1 is about 417 points away, more than one ATR, and can serve as a downside reference. The last five settlement daily lines show that from 09-24 to 09-30 the price oscillated in the 8,060–8,342 range, and on 10-08 it jumped in a single day to 8,304–8,948, breaking the prior 20-day high of 8,896, forming a high-volume breakout. In the night session on 10-08 from 21:05 to 23:00, it opened at 8,900, high 8,900, low 8,660, and closed at 8,796, -1.28% versus the day session close and +0.8% versus settlement, a slight pullback from highs but holding above settlement. On the weekly chart, the last completed weekly bar (2026-09-28 to 09-30) opened at 8,300, high 8,342, low 8,060, and closed at 8,280, with a weekly change of -0.43%; this week (starting 10-08, one trading day) is not yet closed and is tentatively reported at 8,910 (+7.61%); no weekly conclusion is drawn from this.

III. Supply-Demand Balance & Fundamental Drivers

Supply-demand and cost factors support short fiber. On inventories, polyester chain short fiber factory inventories are at a low level compared with the same period over the past five years, and low inventories amplify price elasticity; on warrants, CZCE short fiber warrants have not seen a significant recent build-up, so deliverable pressure is limited. On basis, the spot market maintains a premium structure over the screen price; the 10-08 settlement of 8,726 corresponds to spot quotes, the basis is positive, and the screen price rise has not fully exhausted the spot, with the discount not deepening. On costs, PTA processing fees on a screen basis remain at a neutral-to-low level, PX support persists, and short fiber cash processing margins are near breakeven, limiting the room for costs to move lower and providing a floor for prices. On macro transmission, the US 10-year Treasury yield is 5.231, -0.87% [10-08], and the US Dollar Index is 102.12, -0.12% [10-08]; a weaker dollar and lower rates are favorable for the USD-denominated energy and chemical cost chain. China will release CPI and PPI on 10-14; expectations and prior values are not provided, but if PPI rebounds more than expected, it will strengthen expectations of a demand recovery in chemicals, which is bullish for short fiber. Note that the report date session had not yet closed, so supply-demand data are based on the most recent available figures, and the pace of post-holiday demand realization remains a key variable.

IV. Positioning & Fund Flows

Positioning structure shows longs taking the initiative. Main contract notional open interest was CNY 6.81bn, with a daily change of +CNY 20m, open interest +455 lots, and price +8.55%; this is an open interest build on rising prices (longs taking the initiative), not short covering; however, the data flag that the final-day jump is suspected to be a main contract roll, open interest changes are not comparable, and interpretation requires caution. Among the top 20 seats, the net direction column shows net long, and the daily change direction is an increase in net long, moving in the same direction as the price rise, with no divergence of sustained opposite movement between price and open interest. In terms of the nature of main contract open interest changes, the build on rising prices indicates active entry of long funds rather than passive short covering, so the structure is relatively healthy. On volatility, ATR14 is 302.86 (3.4%, full intraday range) and RV20 is 38.8%, with realized volatility elevated; implied volatility is not provided in the data, so a direct comparison is not possible, but given the high realized volatility, the options market's pricing of short-term volatility may already be high, and chasing the rally requires guarding against pullbacks from a volatility decline. Overall, open interest and price are moving in the same direction, and fund flows support the bullish conclusion, but the contract roll factor reduces the reliability of the open interest signal.

V. Cross-Asset & Onshore-Offshore Value

Cross-asset relative value and international versus China markets. Cross-asset relative value snapshot [10-08]: gold/silver ratio 69.95, 1-year percentile 80.16%, 3-year percentile 26.72%; copper/gold ratio 1.58, 1-year percentile 96.83%, 3-year percentile 56.61%; oil/gold ratio 0.022, 1-year percentile 92.06%, 3-year percentile 47.88%; crack spread Crack 3:2:1 is USD 69.72/bbl. The copper/gold ratio at the 96.83% 1-year percentile is at a high level, reflecting strong growth expectations; the oil/gold ratio at the 92.06% 1-year percentile is at a high level, with crude oil relatively strong versus gold, providing support to the short fiber cost side. The US Dollar Index is 102.12, -0.12% [10-08], and the US 10-year Treasury yield is 5.231, -0.87% [10-08]; both the dollar and rates have fallen, which is favorable for the USD-denominated energy and chemical chain. On international versus China markets, short fiber is a China product, and international versus China premium data are not listed in the snapshot, so this is not applicable; PTA processing fees are on a screen basis and are for cost reference only. Overall, cross-asset relative value shows strength in growth and crude oil, providing external confirmation for the bullish short fiber conclusion, but high relative value percentiles do not directly predict future returns and only describe the current state.

VI. Supply Chain & Seasonal Inventory

The seasonal statistics block shows that the short fiber main contract continuous series exhibits a clear directional bias in the same period of past years (early October): the share of up years exceeds that of down years, and the median change is positive, pointing to a seasonal bullish tendency in early October. Combined with the current strong performance of +11.07% over 5 days and +11.51% over 20 days, the seasonal window resonates with trend momentum, further supporting the bullish conclusion. However, note that the seasonal statistics are based on same-period samples from past years, the sample size is limited, and macro and cost disturbances have not been removed; they are for auxiliary reference only and do not constitute an independent trading basis. From the historical same-period win rate, short fiber prices in early October have a high probability of a positive median change under cost support and downstream restocking expectations, consistent with the current fundamentals of low inventories and cost support. Overall, seasonal factors provide mild support to the bullish conclusion, but the strength is weaker than the technical breakout and positioning structure signals, and they should not be used alone as an entry basis.

VII. Scenario Analysis

Base case (probability 55%): bullish continuation. Trigger conditions: the settlement price holds above pivot P 8,720.67 and does not fall below S1 8,493.33; cost support and the low-inventory logic are maintained. Target levels: R1 9,137.33, further to 9,515.71 (the set strategy target). Corresponding operation: as described in Section VIII, entry at 8,910, stop-loss at 8,418, target 9,515.71, horizon 1–2 weeks, risk/reward 1:1.2. The base case direction is consistent with the bullish conclusion in Section I, with the core rationale being the trend continuation after breaking the 20-day high of 8,896 and the open interest build on rising prices.

Bullish case (probability 25%): accelerated upside. Trigger conditions: the settlement price effectively breaks R1 9,137.33 and holds, open interest continues to increase, and cost-side PX/PTA processing fees strengthen further. Target levels: above 9,515.71, referencing the set strategy target. Corresponding operation: hold existing positions; if R1 is broken and a retest holds, add moderately according to the position sizing rules, but control the single-trade risk budget.

Bearish case (probability 20%): pullback and breakdown. Trigger conditions: the settlement price falls below pivot P 8,720.67 and further loses S1 8,493.33, or the cost support and low-inventory logic reverse. Target levels: downside reference S1 8,493.33; if lost, look to a lower range. Corresponding operation: after the invalidation conditions are triggered, exit according to the Section VIII stop-loss at 8,418, and do not add against the trend. The bearish case has the lowest probability, but stop-loss discipline must be strictly enforced, as with ATR14 at 302.86 and RV20 at 38.8%, the pullback magnitude may exceed expectations under high volatility.

The three scenario probabilities sum to 100%; the base case direction is consistent with the bullish conclusion in Section I, and the triggers and target levels all follow the support/resistance and invalidation levels written earlier, with no new key levels created.

VIII. Trading Strategies & Risk Management

Established strategy, quoted verbatim: Long / Entry 8910 / Stop-loss 8418 / Target 9515.71 / Horizon 1-2w / Risk-reward 1:1.2.

Rationale for placing the stop-loss at 8418: this level sits below the pivot P 8720.67 and S1 8493.33; should the price break below S1 and extend lower, the bullish bias set out in the first section would be invalidated, and setting the stop below S1 helps avoid being shaken out by intraday noise. Risk conversion shows a stop distance of 492, equal to 1.62× ATR (ATR14 302.86), with a contract multiplier of 5, implying a risk of CNY 2,490 per lot (including fees and slippage); a single-trade risk budget of CNY 6,698 corresponds to a reference cap of 2 lots. Position sizing is governed by the single-trade risk budget, with a reference cap of 2 lots and no over-allocation permitted. Rules for adding and cutting positions: in the base case, hold to the target 9515.71; if the price breaks above R1 9137.33 and holds on a retest, add moderately, provided total risk after adding does not exceed the single-trade risk budget; if the settlement price falls below P 8720.67, reduce exposure and stand aside; if S1 8493.33 is subsequently lost, exit per the stop-loss at 8418. Horizon is 1-2 weeks; if the target is not reached by expiry, assess whether to roll based on market conditions.

IX. This Week's Data Calendar

Beijing time 10-14 09:30 (US Eastern 10-13 21:30): China CPI y/y release; consensus and prior value both not provided; affects the ferrous, non-ferrous and chemicals sectors. Beijing time 10-14 09:30 (US Eastern 10-13 21:30): China PPI y/y release; consensus and prior value both not provided; affects the ferrous, non-ferrous and chemicals sectors. These two events are the key macro data points this week relevant to the cost side and demand expectations for PF; an actual reading beyond the expected ±threshold is treated as a surprise, and attention should be paid to its implications for the recovery outlook in chemicals demand.

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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