China Desk · 2026-09-28

China Desk Digest 2026-09-28

PTA Curve Stays Steeply Backwardated Into October

The Zhengzhou PTA front-month contract held a wide premium over the second month, with the 2610-2611 spread at 250 points (China domestic curve, as of 2026-09-28). That gap equals 3.78% of the front price, keeping the curve in firm backwardation. The main contract remains on 2701 and has not rolled. For traders, the persistent inversion signals tight nearby availability rather than a structural shift. Watch whether the spread compresses as the front month approaches expiry, since a flattening curve would alter carry economics for holders of physical positions.

Lithium Carbonate Backwardation Narrows but Holds

GFEX lithium carbonate kept a backwardated structure, with the 2610-2611 spread at 1080 points (China domestic curve, as of 2026-09-28). The premium works out to 0.89% of the front-month price, a shallower inversion than the PTA curve. The main contract stayed on 2701 with no roll registered. The modest spread suggests nearby tightness is present but less acute than in chemicals. Traders tracking battery-material hedges should note the curve still rewards front-month exposure, while any widening would flag renewed scarcity in the spot month.

Yangshan Copper Premiums Flatline Ahead of Holiday

Yangshan copper warrant and bill averages both printed unchanged on the day, with warrants at 117.00 and bills at 112.00 (Yangshan copper premium, as of 2026-09-28). The zero move leaves the import premium structure frozen into the holiday window. Desk commentary noted the SHFE-LME ratio remained unfavorable and the market quiet (SMM_EN, 2026-09-28). With Chinese metal price news suspended for the National Day break (SMM_EN, 2026-09-28), liquidity will thin. Traders should treat the flat premiums as a stale print rather than a signal of firm demand.

Edible Oil Spreads Keep Narrowing as Egg Slide Accelerates

SunSirs showed palm oil's average spread at -108.40 CNY/t and soybean oil at -47.10 CNY/t on Sep 28 (Sina_Futures, 2026-09-28). Both narrowed further negative, pointing to a slower pace of decline in the oils complex. Egg told the opposite story, with its average spread widening to -0.22 CNY/kg as the two legs diverged (Sina_Futures, 2026-09-28). That signals an accelerating drop in egg prices. For agri desks, the split matters: oils are stabilizing while protein continues to weaken, so spread behavior is diverging across the board.

Urea Round-Trip Shows Geopolitical Premium Fully Unwound

The global urea market completed a sharp 2026 round trip, with India's April emergency purchase lifting CFR to $935-959/t before September tender prices fell below $400/t (QHRB_Futures, 2026-09-28). The East Coast low reached $390.25/t, marking a shift from geopolitical premium back to fundamentals pricing. IFA sees effective nitrogen capacity rising about 4% from 166.3 Mt in 2024 to 172.7 Mt. For traders, the collapse confirms the earlier spike was event-driven, and the growing capacity pipeline argues against a renewed premium absent fresh supply disruption.

Data provenance

• China domestic term structure (M1-M2 spread, main contract) as of 2026-09-28
• Yangshan copper premium (USD/t) as of 2026-09-28
• China headlines, 2026-09-28
• English-native China flashes — SMM_EN / Mysteel_EN, 2026-09-28