{"index": {"name": "Chemicals", "level": "industry", "country_code": "CN", "sector": "Basic Materials", "industry": "Chemicals", "constituent_count": 184, "latest": {"week_ending": "2026-07-17", "index_value": 1794.14437612, "weekly_return": -7.92436784, "constituents": 183, "advancing": 36, "declining": 147, "unchanged": 0, "trend_line": 2087.013687, "activity_lines": {"activity_5": 1956.092762, "activity_10": 2015.712682, "activity_20": 2072.622492, "activity_30": 2090.170454}, "fair_value": 1569.353532, "trend_signal": 0}, "summary": "For the week ending 17 July 2026, Chemicals declined 7.92% with 36 advancing, 147 declining, and 0 unchanged constituents.", "links": {"chart": "https://sharemaestro.com/structure/cn/basic-materials/chemicals/", "api": "https://sharemaestro.com/api/structure/cn/basic-materials/chemicals/", "share_image": "https://sharemaestro.com/structure/cn/basic-materials/chemicals/share-image.svg"}}, "available": true, "methodology": {"country_code": "CN", 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Not financial, investment, trading, tax, or legal advice."}