{"index": {"name": "Mortgage Finance", "level": "industry", "country_code": "JP", "sector": "Financial Services", "industry": "Mortgage Finance", "constituent_count": 5, "latest": {"week_ending": "2026-05-29", "index_value": 829.79385367, "weekly_return": 0.09065409, "constituents": 5, "advancing": 3, "declining": 2, "unchanged": 0, "trend_line": 831.412066, "activity_lines": {"activity_5": 836.957823, "activity_10": 846.385077, "activity_20": 849.167498, "activity_30": 844.125141}, "fair_value": 779.787282, "trend_signal": 1}, "summary": "For the week ending 29 May 2026, Mortgage Finance advanced 0.09% with 3 advancing, 2 declining, and 0 unchanged constituents.", "links": {"chart": "https://sharemaestro.com/structure/jp/financial-services/mortgage-finance/", "api": "https://sharemaestro.com/api/structure/jp/financial-services/mortgage-finance/", "share_image": "https://sharemaestro.com/structure/jp/financial-services/mortgage-finance/share-image.svg"}}, "available": true, 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