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"level": "industry", "country_code": "AR", "sector": "Basic Materials", "industry": "Steel", "constituent_count": 7, "latest": {"week_ending": "2026-07-17", "index_value": 29283.40074974, "weekly_return": 1.5536535, "constituents": 7, "advancing": 4, "declining": 3, "unchanged": 0, "trend_line": 29742.517077, "activity_lines": {"activity_5": 28507.663937, "activity_10": 29306.50485, "activity_20": 29715.940986, "activity_30": 29630.016244}, "fair_value": 24732.647126, "trend_signal": 0}, "summary": "For the week ending 17 July 2026, Steel advanced 1.55% with 4 advancing, 3 declining, and 0 unchanged constituents.", "links": {"chart": "https://sharemaestro.com/structure/ar/basic-materials/steel/", "api": "https://sharemaestro.com/api/structure/ar/basic-materials/steel/", "share_image": "https://sharemaestro.com/structure/ar/basic-materials/steel/share-image.svg"}}, {"name": "Paper & Paper Products", "level": "industry", "country_code": "AR", "sector": "Basic Materials", "industry": "Paper & Paper Products", "constituent_count": 3, "latest": {"week_ending": "2026-07-17", "index_value": 14605.79366747, "weekly_return": 0.54306531, "constituents": 3, "advancing": 2, "declining": 1, "unchanged": 0, "trend_line": 16057.746899, "activity_lines": {"activity_5": 14483.070749, "activity_10": 14575.266313, "activity_20": 14866.7005, "activity_30": 15343.461894}, "fair_value": 18064.639888, "trend_signal": 0}, "summary": "For the week ending 17 July 2026, Paper & Paper Products advanced 0.54% with 2 advancing, 1 declining, and 0 unchanged constituents.", "links": {"chart": "https://sharemaestro.com/structure/ar/basic-materials/paper-paper-products/", "api": "https://sharemaestro.com/api/structure/ar/basic-materials/paper-paper-products/", "share_image": "https://sharemaestro.com/structure/ar/basic-materials/paper-paper-products/share-image.svg"}}, {"name": "Other Industrial Metals & Mining", "level": "industry", "country_code": "AR", "sector": "Basic Materials", "industry": "Other Industrial Metals & Mining", "constituent_count": 5, "latest": {"week_ending": "2026-07-17", "index_value": 20053.8363703, "weekly_return": -2.72151404, "constituents": 5, "advancing": 1, "declining": 4, "unchanged": 0, "trend_line": 21303.450802, "activity_lines": {"activity_5": 20965.589009, "activity_10": 21597.143755, "activity_20": 21910.790646, "activity_30": 21692.82275}, "fair_value": 14661.082128, "trend_signal": 0}, "summary": "For the week ending 17 July 2026, Other Industrial Metals & Mining declined 2.72% with 1 advancing, 4 declining, and 0 unchanged constituents.", "links": {"chart": "https://sharemaestro.com/structure/ar/basic-materials/other-industrial-metals-mining/", "api": "https://sharemaestro.com/api/structure/ar/basic-materials/other-industrial-metals-mining/", "share_image": "https://sharemaestro.com/structure/ar/basic-materials/other-industrial-metals-mining/share-image.svg"}}, {"name": "Gold", "level": "industry", "country_code": "AR", "sector": "Basic Materials", "industry": "Gold", "constituent_count": 7, "latest": {"week_ending": "2026-07-17", "index_value": 42151.05119333, "weekly_return": -6.33564912, "constituents": 7, "advancing": 0, "declining": 7, "unchanged": 0, "trend_line": 53541.756637, "activity_lines": {"activity_5": 44843.385988, "activity_10": 46291.653475, "activity_20": 48809.808043, "activity_30": 50980.200199}, "fair_value": 25798.727397, "trend_signal": 0}, "summary": "For the week ending 17 July 2026, Gold declined 6.34% with 0 advancing, 7 declining, and 0 unchanged constituents.", "links": {"chart": "https://sharemaestro.com/structure/ar/basic-materials/gold/", "api": "https://sharemaestro.com/api/structure/ar/basic-materials/gold/", "share_image": "https://sharemaestro.com/structure/ar/basic-materials/gold/share-image.svg"}}], "constituents": [{"ticker": "GGB", "name": "Gerdau S.A.", "exchange": "BUE", "week_ending": "2026-07-17", "ohlc": {"open": 28400.0, "high": 30140.0, "low": 27860.0, "close": 29840.0}, 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Not financial, investment, trading, tax, or legal advice."}