{"index": {"name": "Aluminum", "level": "industry", "country_code": "CN", "sector": "Basic Materials", "industry": "Aluminum", "constituent_count": 36, "latest": {"week_ending": "2026-07-17", "index_value": 2152.65301311, "weekly_return": -5.58779214, "constituents": 36, "advancing": 12, "declining": 24, "unchanged": 0, "trend_line": 2599.690371, "activity_lines": {"activity_5": 2289.275507, "activity_10": 2383.771159, "activity_20": 2502.191471, "activity_30": 2557.800419}, "fair_value": 1915.621961, "trend_signal": 0}, "summary": "For the week ending 17 July 2026, Aluminum declined 5.59% with 12 advancing, 24 declining, and 0 unchanged constituents.", "links": {"chart": "https://sharemaestro.com/structure/cn/basic-materials/aluminum/", "api": "https://sharemaestro.com/api/structure/cn/basic-materials/aluminum/", "share_image": "https://sharemaestro.com/structure/cn/basic-materials/aluminum/share-image.svg"}}, "available": true, "methodology": {"country_code": "CN", "asset_type": 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Not financial, investment, trading, tax, or legal advice."}