VN Equity Radar Pro Clean

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vật liệu\n {\n code: \"HPG\",\n symbol: \"HPG.VN\",\n name: \"Hòa Phát\",\n sector: \"Thép - vật liệu\",\n },\n { code: \"HSG\", symbol: \"HSG.VN\", name: \"Hoa Sen\", sector: \"Thép - vật liệu\" },\n { code: \"NKG\", symbol: \"NKG.VN\", name: \"Nam Kim\", sector: \"Thép - vật liệu\" },\n {\n code: \"DGC\",\n symbol: \"DGC.VN\",\n name: \"Đức Giang\",\n sector: \"Thép - vật liệu\",\n },\n {\n code: \"VGC\",\n symbol: \"VGC.VN\",\n name: \"Viglacera\",\n sector: \"Thép - vật liệu\",\n },\n { code: \"GEX\", symbol: \"GEX.VN\", name: \"GELEX\", sector: \"Thép - vật liệu\" },\n {\n code: \"GVR\",\n symbol: \"GVR.VN\",\n name: \"Cao su Việt Nam\",\n sector: \"Thép - vật liệu\",\n },\n // BĐS - KCN\n { code: \"VIC\", symbol: \"VIC.VN\", name: \"Vingroup\", sector: \"BĐS - KCN\" },\n { code: \"VHM\", symbol: \"VHM.VN\", name: \"Vinhomes\", sector: \"BĐS - KCN\" },\n { code: \"VRE\", symbol: \"VRE.VN\", name: \"Vincom Retail\", sector: \"BĐS - KCN\" },\n { code: \"BCM\", symbol: \"BCM.VN\", name: \"Becamex IDC\", sector: \"BĐS - KCN\" },\n { code: \"KBC\", symbol: \"KBC.VN\", name: \"Kinh Bắc\", sector: \"BĐS - KCN\" },\n { code: \"IDC\", symbol: \"IDC.VN\", name: \"IDICO\", sector: \"BĐS - KCN\" },\n {\n code: \"SZC\",\n symbol: \"SZC.VN\",\n name: \"Sonadezi Châu Đức\",\n sector: \"BĐS - KCN\",\n },\n { code: \"KDH\", symbol: \"KDH.VN\", name: \"Khang Điền\", sector: \"BĐS - KCN\" },\n { code: \"PDR\", symbol: \"PDR.VN\", name: \"Phát Đạt\", sector: \"BĐS - KCN\" },\n { code: \"DIG\", symbol: \"DIG.VN\", name: \"DIC Corp\", sector: \"BĐS - KCN\" },\n // Năng lượng\n { code: \"GAS\", symbol: \"GAS.VN\", name: \"PV GAS\", sector: \"Năng lượng\" },\n { code: \"PLX\", symbol: \"PLX.VN\", name: \"Petrolimex\", sector: \"Năng lượng\" },\n { code: \"POW\", symbol: \"POW.VN\", name: \"PV Power\", sector: \"Năng lượng\" },\n { code: \"PVD\", symbol: \"PVD.VN\", name: \"PV Drilling\", sector: \"Năng lượng\" },\n { code: \"PVS\", symbol: \"PVS.VN\", name: \"PTSC\", sector: \"Năng lượng\" },\n { code: \"REE\", symbol: \"REE.VN\", name: \"REE\", sector: \"Năng lượng\" },\n // Tiêu dùng - bán lẻ\n {\n code: \"MSN\",\n symbol: \"MSN.VN\",\n name: \"Masan\",\n sector: \"Tiêu dùng - bán lẻ\",\n },\n {\n code: \"MWG\",\n symbol: \"MWG.VN\",\n name: \"Thế Giới Di Động\",\n sector: \"Tiêu dùng - bán lẻ\",\n },\n {\n code: \"VNM\",\n symbol: \"VNM.VN\",\n name: \"Vinamilk\",\n sector: \"Tiêu dùng - bán lẻ\",\n },\n { code: \"PNJ\", symbol: \"PNJ.VN\", name: \"PNJ\", sector: \"Tiêu dùng - bán lẻ\" },\n {\n code: \"SAB\",\n symbol: \"SAB.VN\",\n name: \"Sabeco\",\n sector: \"Tiêu dùng - bán lẻ\",\n },\n {\n code: \"FRT\",\n symbol: \"FRT.VN\",\n name: \"FPT Retail\",\n sector: \"Tiêu dùng - bán lẻ\",\n },\n // Logistics - cảng\n {\n code: \"GMD\",\n symbol: \"GMD.VN\",\n name: \"Gemadept\",\n sector: \"Logistics - cảng\",\n },\n {\n code: \"VJC\",\n symbol: \"VJC.VN\",\n name: \"Vietjet\",\n sector: \"Logistics - cảng\",\n },\n {\n code: \"HVN\",\n symbol: \"HVN.VN\",\n name: \"Vietnam Airlines\",\n sector: \"Logistics - cảng\",\n },\n {\n code: \"VSC\",\n symbol: \"VSC.VN\",\n name: \"Viconship\",\n sector: \"Logistics - cảng\",\n },\n { code: \"HAH\", symbol: \"HAH.VN\", name: \"Hải An\", sector: \"Logistics - cảng\" },\n // Ngân hàng\n { code: \"SSB\", symbol: \"SSB.VN\", name: \"SeABank\", sector: \"Ngân hàng\" },\n { code: \"NAB\", symbol: \"NAB.VN\", name: \"Nam A Bank\", sector: \"Ngân hàng\" },\n { code: \"BAB\", symbol: \"BAB.VN\", name: \"Bac A Bank\", sector: \"Ngân hàng\" },\n { code: \"ABB\", symbol: \"ABB.VN\", name: \"ABBANK\", sector: \"Ngân hàng\" },\n { code: \"BVB\", symbol: \"BVB.VN\", name: \"VietBank\", sector: \"Ngân hàng\" },\n // Tài chính - bảo hiểm\n {\n code: \"EVF\",\n symbol: \"EVF.VN\",\n name: \"EVNFinance\",\n sector: \"Tài chính - bảo hiểm\",\n },\n {\n code: \"PVI\",\n symbol: \"PVI.VN\",\n name: \"PVI Holdings\",\n sector: \"Tài chính - bảo hiểm\",\n },\n {\n code: \"BVH\",\n symbol: \"BVH.VN\",\n name: \"Bảo Việt\",\n sector: \"Tài chính - bảo hiểm\",\n },\n {\n code: \"BMI\",\n symbol: \"BMI.VN\",\n name: \"Bảo Minh\",\n sector: \"Tài chính - bảo hiểm\",\n },\n {\n code: \"MIG\",\n symbol: \"MIG.VN\",\n name: \"MIC\",\n sector: \"Tài chính - bảo hiểm\",\n },\n // Chứng khoán\n { code: \"SHS\", symbol: \"SHS.VN\", name: \"SHS\", sector: \"Chứng khoán\" },\n {\n code: \"BVS\",\n symbol: \"BVS.VN\",\n name: \"Bảo Việt Securities\",\n sector: \"Chứng khoán\",\n },\n { code: \"VDS\", symbol: \"VDS.VN\", name: \"Rồng Việt\", sector: \"Chứng khoán\" },\n { code: \"AGR\", symbol: \"AGR.VN\", name: \"Agriseco\", sector: \"Chứng khoán\" },\n {\n code: \"APG\",\n symbol: \"APG.VN\",\n name: \"APG Securities\",\n sector: \"Chứng khoán\",\n },\n { code: \"ORS\", symbol: \"ORS.VN\", name: \"TPS\", sector: \"Chứng khoán\" },\n {\n code: \"TVS\",\n symbol: \"TVS.VN\",\n name: \"Thiên Việt Securities\",\n sector: \"Chứng khoán\",\n },\n {\n code: \"DSC\",\n symbol: \"DSC.VN\",\n name: \"DSC Securities\",\n sector: \"Chứng khoán\",\n },\n // Công nghệ\n { code: \"CMG\", symbol: \"CMG.VN\", name: \"CMC Corp\", sector: \"Công nghệ\" },\n { code: \"ELC\", symbol: \"ELC.VN\", name: \"ELCOM\", sector: \"Công nghệ\" },\n { code: \"FOX\", symbol: \"FOX.VN\", name: \"FPT Telecom\", sector: \"Công nghệ\" },\n { code: \"ITD\", symbol: \"ITD.VN\", name: \"ITD\", sector: \"Công nghệ\" },\n // Công nghệ - phân phối\n {\n code: \"DGW\",\n symbol: \"DGW.VN\",\n name: \"Digiworld\",\n sector: \"Công nghệ - phân phối\",\n },\n {\n code: \"PET\",\n symbol: \"PET.VN\",\n name: \"Petrosetco\",\n sector: \"Công nghệ - phân phối\",\n },\n {\n code: \"PSD\",\n symbol: \"PSD.VN\",\n name: \"PSD\",\n sector: \"Công nghệ - phân phối\",\n },\n // Phân bón - hóa chất\n {\n code: \"DPM\",\n symbol: \"DPM.VN\",\n name: \"Đạm Phú Mỹ\",\n sector: \"Phân bón - hóa chất\",\n },\n {\n code: \"DCM\",\n symbol: \"DCM.VN\",\n name: \"Đạm Cà Mau\",\n sector: \"Phân bón - hóa chất\",\n },\n {\n code: \"CSV\",\n symbol: \"CSV.VN\",\n name: \"Hóa chất cơ bản miền Nam\",\n sector: \"Phân bón - hóa chất\",\n },\n {\n code: \"LAS\",\n symbol: \"LAS.VN\",\n name: \"Supe Lâm Thao\",\n sector: \"Phân bón - hóa chất\",\n },\n {\n code: \"PLC\",\n symbol: \"PLC.VN\",\n name: \"Petrolimex Petrochemical\",\n sector: \"Phân bón - hóa chất\",\n },\n {\n code: \"BFC\",\n symbol: \"BFC.VN\",\n name: \"Bình Điền\",\n sector: \"Phân bón - hóa chất\",\n },\n // Vật liệu - công nghiệp\n {\n code: \"BMP\",\n symbol: \"BMP.VN\",\n name: \"Nhựa Bình Minh\",\n sector: \"Vật liệu - công nghiệp\",\n },\n {\n code: \"NTP\",\n symbol: \"NTP.VN\",\n name: \"Nhựa Tiền Phong\",\n sector: \"Vật liệu - công nghiệp\",\n },\n {\n code: \"AAA\",\n symbol: \"AAA.VN\",\n name: \"An Phát Bioplastics\",\n sector: \"Vật liệu - công nghiệp\",\n },\n {\n code: \"KSB\",\n symbol: \"KSB.VN\",\n name: \"Khoáng sản Bình Dương\",\n sector: \"Vật liệu - công nghiệp\",\n },\n {\n code: \"DHA\",\n symbol: \"DHA.VN\",\n name: \"Hóa An\",\n sector: \"Vật liệu - công nghiệp\",\n },\n {\n code: \"HT1\",\n symbol: \"HT1.VN\",\n name: \"Xi măng Hà Tiên\",\n sector: \"Vật liệu - công nghiệp\",\n },\n {\n code: \"BCC\",\n symbol: \"BCC.VN\",\n name: \"Xi măng Bỉm Sơn\",\n sector: \"Vật liệu - công nghiệp\",\n },\n {\n code: \"BTS\",\n symbol: \"BTS.VN\",\n name: \"Xi măng Bút Sơn\",\n sector: \"Vật liệu - công nghiệp\",\n },\n {\n code: \"PHR\",\n symbol: \"PHR.VN\",\n name: \"Cao su Phước Hòa\",\n sector: \"Vật liệu - công nghiệp\",\n },\n {\n code: \"DPR\",\n symbol: \"DPR.VN\",\n name: \"Cao su Đồng Phú\",\n sector: \"Vật liệu - công nghiệp\",\n },\n {\n code: \"DRC\",\n symbol: \"DRC.VN\",\n name: \"Cao su Đà Nẵng\",\n sector: \"Vật liệu - công nghiệp\",\n },\n {\n code: \"CSM\",\n symbol: \"CSM.VN\",\n name: \"Casumina\",\n sector: \"Vật liệu - công nghiệp\",\n },\n // BĐS - KCN\n { code: \"TCH\", symbol: \"TCH.VN\", name: \"Hoàng Huy\", sector: \"BĐS - KCN\" },\n { code: \"NVL\", symbol: \"NVL.VN\", name: \"Novaland\", sector: \"BĐS - KCN\" },\n { code: \"DXG\", symbol: \"DXG.VN\", name: \"Đất Xanh\", sector: \"BĐS - KCN\" },\n { code: \"CEO\", symbol: \"CEO.VN\", name: \"CEO Group\", sector: \"BĐS - KCN\" },\n { code: \"NLG\", symbol: \"NLG.VN\", name: \"Nam Long\", sector: \"BĐS - KCN\" },\n { code: \"HDG\", symbol: \"HDG.VN\", name: \"Hà Đô\", sector: \"BĐS - KCN\" },\n { code: \"NTL\", symbol: \"NTL.VN\", name: \"Từ Liêm\", sector: \"BĐS - KCN\" },\n { code: \"SJS\", symbol: \"SJS.VN\", name: \"Sudico\", sector: \"BĐS - KCN\" },\n { code: \"AGG\", symbol: \"AGG.VN\", name: \"An Gia\", sector: \"BĐS - KCN\" },\n { code: \"HDC\", symbol: \"HDC.VN\", name: \"Hodeco\", sector: \"BĐS - KCN\" },\n { code: \"IJC\", symbol: \"IJC.VN\", name: \"Becamex IJC\", sector: \"BĐS - KCN\" },\n // BĐS - hạ tầng\n { code: \"CII\", symbol: \"CII.VN\", name: \"CII\", sector: \"BĐS - hạ tầng\" },\n {\n code: \"NBB\",\n symbol: \"NBB.VN\",\n name: \"Năm Bảy Bảy\",\n sector: \"BĐS - hạ tầng\",\n },\n // BĐS - dịch vụ\n { code: \"CRE\", symbol: \"CRE.VN\", name: \"Cen Land\", sector: \"BĐS - dịch vụ\" },\n {\n code: \"DXS\",\n symbol: \"DXS.VN\",\n name: \"Dat Xanh Services\",\n sector: \"BĐS - dịch vụ\",\n },\n // Năng lượng\n {\n code: \"BSR\",\n symbol: \"BSR.VN\",\n name: \"Lọc hóa dầu Bình Sơn\",\n sector: \"Năng lượng\",\n },\n { code: \"OIL\", symbol: \"OIL.VN\", name: \"PV Oil\", sector: \"Năng lượng\" },\n { code: \"PVB\", symbol: \"PVB.VN\", name: \"PV Coating\", sector: \"Năng lượng\" },\n {\n code: \"PVC\",\n symbol: \"PVC.VN\",\n name: \"Dung dịch khoan DMC\",\n sector: \"Năng lượng\",\n },\n {\n code: \"NT2\",\n symbol: \"NT2.VN\",\n name: \"Nhiệt điện Nhơn Trạch 2\",\n sector: \"Năng lượng\",\n },\n { code: \"PC1\", symbol: \"PC1.VN\", name: \"PC1 Group\", sector: \"Năng lượng\" },\n { code: \"GEG\", symbol: \"GEG.VN\", name: \"Gia Lai Điện\", sector: \"Năng lượng\" },\n {\n code: \"QTP\",\n symbol: \"QTP.VN\",\n name: \"Nhiệt điện Quảng Ninh\",\n sector: \"Năng lượng\",\n },\n {\n code: \"PPC\",\n symbol: \"PPC.VN\",\n name: \"Nhiệt điện Phả Lại\",\n sector: \"Năng lượng\",\n },\n {\n code: \"VSH\",\n symbol: \"VSH.VN\",\n name: \"Thủy điện Vĩnh Sơn\",\n sector: \"Năng lượng\",\n },\n {\n code: \"HND\",\n symbol: \"HND.VN\",\n name: \"Nhiệt điện Hải Phòng\",\n sector: \"Năng lượng\",\n },\n // Tiêu dùng - bán lẻ\n { code: \"KDC\", symbol: \"KDC.VN\", name: \"KIDO\", sector: \"Tiêu dùng - bán lẻ\" },\n {\n code: \"QNS\",\n symbol: \"QNS.VN\",\n name: \"Đường Quảng Ngãi\",\n sector: \"Tiêu dùng - bán lẻ\",\n },\n // Nông nghiệp - thực phẩm\n {\n code: \"DBC\",\n symbol: \"DBC.VN\",\n name: \"Dabaco\",\n sector: \"Nông nghiệp - thực phẩm\",\n },\n // Thủy sản\n { code: \"ANV\", symbol: \"ANV.VN\", name: \"Nam Việt\", sector: \"Thủy sản\" },\n { code: \"VHC\", symbol: \"VHC.VN\", name: \"Vĩnh Hoàn\", sector: \"Thủy sản\" },\n { code: \"FMC\", symbol: \"FMC.VN\", name: \"Sao Ta\", sector: \"Thủy sản\" },\n // Tiêu dùng - bán lẻ\n {\n code: \"IDP\",\n symbol: \"IDP.VN\",\n name: \"Sữa Quốc tế\",\n sector: \"Tiêu dùng - bán lẻ\",\n },\n // Nông nghiệp - thực phẩm\n {\n code: \"SBT\",\n symbol: \"SBT.VN\",\n name: \"Thành Thành Công Biên Hòa\",\n sector: \"Nông nghiệp - thực phẩm\",\n },\n {\n code: \"PAN\",\n symbol: \"PAN.VN\",\n name: \"PAN Group\",\n sector: \"Nông nghiệp - thực phẩm\",\n },\n // Tiêu dùng - bán lẻ\n {\n code: \"MCH\",\n symbol: \"MCH.VN\",\n name: \"Masan Consumer\",\n sector: \"Tiêu dùng - bán lẻ\",\n },\n // Logistics - cảng\n {\n code: \"PHP\",\n symbol: \"PHP.VN\",\n name: \"Cảng Hải Phòng\",\n sector: \"Logistics - cảng\",\n },\n {\n code: \"DVP\",\n symbol: \"DVP.VN\",\n name: \"Đình Vũ Port\",\n sector: \"Logistics - cảng\",\n },\n {\n code: \"SGP\",\n symbol: \"SGP.VN\",\n name: \"Cảng Sài Gòn\",\n sector: \"Logistics - cảng\",\n },\n {\n code: \"STG\",\n symbol: \"STG.VN\",\n name: \"Sotrans\",\n sector: \"Logistics - cảng\",\n },\n {\n code: \"VTP\",\n symbol: \"VTP.VN\",\n name: \"Viettel Post\",\n sector: \"Logistics - cảng\",\n },\n { code: \"SCS\", symbol: \"SCS.VN\", name: \"SCSC\", sector: \"Logistics - cảng\" },\n // Logistics - hàng không\n {\n code: \"ACV\",\n symbol: \"ACV.VN\",\n name: \"Tổng công ty Cảng HKVN\",\n sector: \"Logistics - hàng không\",\n },\n {\n code: \"NCT\",\n symbol: \"NCT.VN\",\n name: \"Dịch vụ hàng hóa Nội Bài\",\n sector: \"Logistics - hàng không\",\n },\n {\n code: \"AST\",\n symbol: \"AST.VN\",\n name: \"Taseco Airs\",\n sector: \"Logistics - hàng không\",\n },\n // Dệt may\n { code: \"TNG\", symbol: \"TNG.VN\", name: \"TNG\", sector: \"Dệt may\" },\n { code: \"MSH\", symbol: \"MSH.VN\", name: \"May Sông Hồng\", sector: \"Dệt may\" },\n { code: \"VGT\", symbol: \"VGT.VN\", name: \"Vinatex\", sector: \"Dệt may\" },\n { code: \"GIL\", symbol: \"GIL.VN\", name: \"Giltex\", sector: \"Dệt may\" },\n {\n code: \"TCM\",\n symbol: \"TCM.VN\",\n name: \"Dệt may Thành Công\",\n sector: \"Dệt may\",\n },\n { code: \"ADS\", symbol: \"ADS.VN\", name: \"Damsan\", sector: \"Dệt may\" },\n // Dược phẩm\n {\n code: \"DHG\",\n symbol: \"DHG.VN\",\n name: \"Dược Hậu Giang\",\n sector: \"Dược phẩm\",\n },\n { code: \"IMP\", symbol: \"IMP.VN\", name: \"Imexpharm\", sector: \"Dược phẩm\" },\n {\n code: \"DBD\",\n symbol: \"DBD.VN\",\n name: \"Dược Bình Định\",\n sector: \"Dược phẩm\",\n },\n { code: \"TRA\", symbol: \"TRA.VN\", name: \"Traphaco\", sector: \"Dược phẩm\" },\n // Xây dựng - hạ tầng\n {\n code: \"CTD\",\n symbol: \"CTD.VN\",\n name: \"Coteccons\",\n sector: \"Xây dựng - hạ tầng\",\n },\n {\n code: \"HHV\",\n symbol: \"HHV.VN\",\n name: \"Đèo Cả\",\n sector: \"Xây dựng - hạ tầng\",\n },\n];\n\nconst ALT_SUFFIX = [\".VN\", \".HN\"];\nconst TTL = 10 * 60 * 1000;\nlet cache: { ts: number; payload: any } | null = null;\n\nfunction candidates(w: Watch) {\n return Array.from(new Set([w.symbol, ...ALT_SUFFIX.map((s) => w.code + s)]));\n}\nfunction json(data: any, status = 200) {\n return new Response(JSON.stringify(data), {\n status,\n headers: {\n \"content-type\": \"application/json; charset=utf-8\",\n \"cache-control\": \"no-store\",\n },\n });\n}\nfunction html(s: string) {\n return new Response(s, {\n headers: {\n \"content-type\": \"text/html; charset=utf-8\",\n \"cache-control\": \"no-store\",\n },\n });\n}\nfunction fmtDate(sec: number) {\n try {\n return new Date(sec * 1000).toISOString().slice(0, 10);\n } catch {\n return \"\";\n }\n}\nfunction ema(values: number[], period: number): (number | null)[] {\n const out: (number | null)[] = Array(values.length).fill(null);\n if (values.length < period) return out;\n let sum = 0;\n for (let i = 0; i < period; i++) sum += values[i];\n let last = sum / period;\n out[period - 1] = last;\n const k = 2 / (period + 1);\n for (let i = period; i < values.length; i++) {\n last = values[i] * k + last * (1 - k);\n out[i] = last;\n }\n return out;\n}\nfunction lastValidIndex(a: (number | null)[]) {\n for (let i = a.length - 1; i >= 0; i--) {\n if (a[i] != null && Number.isFinite(a[i] as number)) return i;\n }\n return -1;\n}\nfunction toWeekKey(sec: number) {\n const d = new Date(sec * 1000);\n const day = (d.getUTCDay() + 6) % 7;\n d.setUTCDate(d.getUTCDate() - day);\n return d.toISOString().slice(0, 10);\n}\nfunction toMonthKey(sec: number) {\n const d = new Date(sec * 1000);\n return `${d.getUTCFullYear()}-${\n String(d.getUTCMonth() + 1).padStart(2, \"0\")\n }`;\n}\nfunction groupCloses(keys: string[], closes: number[]) {\n const map = new Map();\n for (let i = 0; i < keys.length; i++) {\n if (Number.isFinite(closes[i])) map.set(keys[i], closes[i]);\n }\n return Array.from(map.entries()).sort((a, b) => a[0].localeCompare(b[0])).map(\n (x) => x[1]\n );\n}\nfunction weeklyCloses(ts: number[], closes: number[]) {\n return groupCloses(ts.map(toWeekKey), closes);\n}\nfunction monthlyCloses(ts: number[], closes: number[]) {\n return groupCloses(ts.map(toMonthKey), closes);\n}\nfunction arrowFor(\n closes: number[],\n e20: (number | null)[],\n e200: (number | null)[],\n) {\n const i = lastValidIndex(e200);\n if (i < 3 || e20[i] == null || e200[i] == null) return \"•\";\n const fast = e20[i] as number, slow = e200[i] as number;\n const fPrev = e20[Math.max(0, i - 3)] as number | null,\n sPrev = e200[Math.max(0, i - 3)] as number | null;\n const fastSlope = fPrev != null ? fast - fPrev : 0;\n const slowSlope = sPrev != null ? slow - sPrev : 0;\n if (fast > slow && fastSlope >= 0 && slowSlope >= 0) return \"↑\";\n if (fast < slow && fastSlope <= 0 && slowSlope <= 0) return \"↓\";\n return \"→\";\n}\nfunction buildSignal(\n closes: number[],\n e20: (number | null)[],\n e200: (number | null)[],\n) {\n const i = lastValidIndex(e200);\n if (\n i < 1 || e20[i] == null || e200[i] == null || e20[i - 1] == null ||\n e200[i - 1] == null\n ) {\n return { signal: \"CHƯA ĐỦ\", tone: \"neutral\", score: 20 };\n }\n const slowBack = Math.max(0, i - 20), fastBack = Math.max(0, i - 10);\n const slowSlope = (e200[i] as number) -\n ((e200[slowBack] ?? e200[i]) as number);\n const fastSlope = (e20[i] as number) - ((e20[fastBack] ?? e20[i]) as number);\n const up = slowSlope > 0, down = slowSlope < 0;\n const fast = e20[i] as number,\n slow = e200[i] as number,\n prevFast = e20[i - 1] as number,\n prevSlow = e200[i - 1] as number,\n close = closes[i];\n const crossUp = fast > slow && prevFast <= prevSlow;\n const crossDown = fast < slow && prevFast >= prevSlow;\n let lastCrossUp = -1;\n for (let k = i; k >= 1; k--) {\n if (\n e20[k] != null && e200[k] != null && e20[k - 1] != null &&\n e200[k - 1] != null && (e20[k] as number) > (e200[k] as number) &&\n (e20[k - 1] as number) <= (e200[k - 1] as number)\n ) {\n lastCrossUp = k;\n break;\n }\n }\n const trendAge = lastCrossUp >= 0 ? i - lastCrossUp : -1;\n const afterEntry = lastCrossUp >= 0 && trendAge >= 3 && fast > slow;\n const exitAfterEntry = afterEntry && close < fast;\n const gap = (slow - fast) / slow;\n const oldFast = e20[fastBack], oldSlow = e200[fastBack];\n const oldGap = (oldFast != null && oldSlow != null)\n ? (((oldSlow as number) - (oldFast as number)) / (oldSlow as number))\n : gap;\n const gapNarrowing = gap > 0 && oldGap > gap;\n const nearCross = fast < slow && fastSlope > 0 && gapNarrowing &&\n gap <= 0.08 && close >= fast * 0.98;\n if (exitAfterEntry) return { signal: \"BÁN\", tone: \"sell\", score: 30 };\n if (crossUp && up) return { signal: \"MUA\", tone: \"buy\", score: 95 };\n if (crossDown && down) return { signal: \"BÁN\", tone: \"sell\", score: 15 };\n if (afterEntry && close >= fast) {\n return { signal: \"GIỮ\", tone: \"hold\", score: 78 };\n }\n if (fast > slow && up) return { signal: \"GIỮ\", tone: \"hold\", score: 72 };\n if (nearCross) return { signal: \"TIỀM NĂNG\", tone: \"watch\", score: 88 };\n if (fast < slow && down) return { signal: \"TRÁNH\", tone: \"avoid\", score: 25 };\n return { signal: \"TRUNG TÍNH\", tone: \"neutral\", score: 50 };\n}\nfunction multiState(d1: string, w1: string, m1: string, tone: string) {\n const ups = [d1, w1, m1].filter((x) => x === \"↑\").length,\n dns = [d1, w1, m1].filter((x) => x === \"↓\").length;\n if (ups >= 2 && tone !== \"sell\") {\n return { label: \"ĐA SỐ KHUNG TĂNG\", tone: \"good\" };\n }\n if (tone === \"watch\" || (ups >= 1 && dns === 0)) {\n return { label: \"CHUYỂN PHA\", tone: \"watch\" };\n }\n if (dns >= 2) return { label: \"ĐỒNG PHA GIẢM\", tone: \"bad\" };\n if ([d1, w1, m1].filter((x) => x === \"→\").length >= 2) {\n return { label: \"SIDEWAYS\", tone: \"neutral\" };\n }\n return { label: \"TRUNG TÍNH\", tone: \"neutral\" };\n}\ntype Row = { t: number; c: number };\nfunction toSec(x: any) {\n if (typeof x === \"number\") return x > 20000000000 ? Math.floor(x / 1000) : x;\n const d = Date.parse(String(x || \"\"));\n return Number.isFinite(d) ? Math.floor(d / 1000) : 0;\n}\nfunction parseRowsFromAny(j: any): Row[] {\n const out: Row[] = [];\n const data = Array.isArray(j) ? j : (Array.isArray(j?.data) ? j.data : null);\n if (Array.isArray(data)) {\n for (const r of data) {\n const t = toSec(\n r.t ?? r.time ?? r.tradingDate ?? r.date ?? r.trading_date,\n );\n const c = Number(r.c ?? r.close ?? r.closePrice ?? r.price ?? r.value);\n if (t && Number.isFinite(c) && c > 0) out.push({ t, c });\n }\n return out.sort((a, b) => a.t - b.t);\n }\n const ts: any[] = j?.t || j?.time || j?.timestamp || [];\n const cs: any[] = j?.c || j?.close || [];\n if (Array.isArray(ts) && Array.isArray(cs)) {\n for (let i = 0; i < ts.length; i++) {\n const t = toSec(ts[i]), c = Number(cs[i]);\n if (t && Number.isFinite(c) && c > 0) out.push({ t, c });\n }\n }\n return out.sort((a, b) => a.t - b.t);\n}\nasync function fetchYahooRows(w: Watch) {\n let lastErr = \"\";\n for (const sym of candidates(w)) {\n try {\n const url = `https://query1.finance.yahoo.com/v8/finance/chart/${\n encodeURIComponent(sym)\n }?range=5y&interval=1d&includePrePost=false&events=history`;\n const r = await fetch(url, {\n headers: { \"user-agent\": \"Mozilla/5.0 ValTown VN radar\" },\n });\n if (!r.ok) throw new Error(\"Yahoo HTTP \" + r.status);\n const j = await r.json();\n const res = j?.chart?.result?.[0];\n if (!res) throw new Error(\"Yahoo no result\");\n const ts: number[] = res.timestamp || [];\n const q = res.indicators?.quote?.[0] || {};\n const closeRaw: any[] = q.close || [];\n const rows: Row[] = [];\n for (let i = 0; i < ts.length; i++) {\n const c = Number(closeRaw[i]);\n if (Number.isFinite(c) && c > 0) rows.push({ t: ts[i], c });\n }\n if (rows.length >= 80) return { rows, symbol: sym, source: \"Yahoo\" };\n throw new Error(\"Yahoo too few points\");\n } catch (e: any) {\n lastErr = String(e?.message || e);\n }\n }\n throw new Error(lastErr || \"Yahoo failed\");\n}\nasync function fetchTCBSRows(w: Watch) {\n const now = Math.floor(Date.now() / 1000), from = now - 86400 * 365 * 6;\n const urls = [\n `https://apipubaws.tcbs.com.vn/stock-insight/v1/stock/bars-long-term?ticker=${\n encodeURIComponent(w.code)\n }&type=stock&resolution=D&from=${from}&to=${now}`,\n `https://apipubaws.tcbs.com.vn/stock-insight/v1/stock/bars?ticker=${\n encodeURIComponent(w.code)\n }&type=stock&resolution=D&from=${from}&to=${now}`,\n ];\n let lastErr = \"\";\n for (const url of urls) {\n try {\n const r = await fetch(url, {\n headers: {\n \"accept\": \"application/json\",\n \"user-agent\": \"Mozilla/5.0 ValTown VN radar\",\n },\n });\n if (!r.ok) throw new Error(\"TCBS HTTP \" + r.status);\n const j = await r.json();\n const rows = parseRowsFromAny(j);\n if (rows.length >= 80) return { rows, symbol: w.code, source: \"TCBS\" };\n throw new Error(\"TCBS too few points\");\n } catch (e: any) {\n lastErr = String(e?.message || e);\n }\n }\n throw new Error(lastErr || \"TCBS failed\");\n}\nasync function fetchTCBSMarketCap(code: string) {\n try {\n const url = `https://apipubaws.tcbs.com.vn/tcanalysis/v1/ticker/${\n encodeURIComponent(code)\n }/overview`;\n const r = await fetch(url, {\n headers: {\n \"accept\": \"application/json\",\n \"user-agent\": \"Mozilla/5.0 ValTown VN cap\",\n },\n });\n if (!r.ok) return null;\n const j = await r.json();\n const raw = Number(\n j?.marketCap ?? j?.marketCapital ?? j?.marketCapitalization ??\n j?.issueShareOutstandingValue,\n );\n if (!Number.isFinite(raw) || raw <= 0) return null;\n return raw < 1e9 ? raw * 1e9 : raw;\n } catch {\n return null;\n }\n}\nasync function fetchOne(w: Watch): Promise {\n const base: Stock = {\n ...w,\n price: null,\n changePct: null,\n marketCap: null,\n asOf: \"\",\n d1: \"•\",\n w1: \"•\",\n m1: \"•\",\n multi: \"LỖI NGUỒN\",\n multiTone: \"bad\",\n signal: \"LỖI\",\n tone: \"error\",\n score: 0,\n spark7: [],\n };\n try {\n let data: any;\n try {\n data = await fetchYahooRows(w);\n } catch (_e) {\n data = await fetchTCBSRows(w);\n }\n const rows: Row[] = data.rows.filter((x: Row) =>\n x && x.t && Number.isFinite(x.c) && x.c > 0\n ).sort((a: Row, b: Row) => a.t - b.t);\n if (rows.length < 80) throw new Error(\"too few points\");\n const closes = rows.map((x) => x.c),\n d20 = ema(closes, 20),\n d200 = ema(closes, 200),\n sig = buildSignal(closes, d20, d200);\n const wCloses = weeklyCloses(rows.map((x) => x.t), closes),\n w20 = ema(wCloses, 20),\n w200 = ema(wCloses, 200);\n const mCloses = monthlyCloses(rows.map((x) => x.t), closes),\n m20 = ema(mCloses, 20),\n m200 = ema(mCloses, 200);\n const d1 = arrowFor(closes, d20, d200),\n w1 = arrowFor(wCloses, w20, w200),\n m1 = arrowFor(mCloses, m20, m200),\n multi = multiState(d1, w1, m1, sig.tone);\n const i = closes.length - 1,\n prev = closes[i - 1] ?? null,\n price = closes[i];\n return {\n ...base,\n symbol: data.symbol,\n price,\n changePct: prev ? ((price - prev) / prev * 100) : null,\n asOf: fmtDate(rows[i].t),\n d1,\n w1,\n m1,\n multi: multi.label,\n multiTone: multi.tone,\n signal: sig.signal,\n tone: sig.tone,\n score: sig.score,\n spark7: closes.slice(-140),\n };\n } catch (e: any) {\n return { ...base, error: String(e?.message || e) };\n }\n}\nasync function pool(\n arr: T[],\n n: number,\n fn: (x: T) => Promise,\n): Promise {\n const out: R[] = [];\n let i = 0;\n async function worker() {\n while (i < arr.length) {\n const k = i++;\n out[k] = await fn(arr[k]);\n }\n }\n await Promise.all(Array.from({ length: n }, worker));\n return out;\n}\n\nasync function enrichMarketCaps(items: Stock[]) {\n const symbols = items.map((x) => x.symbol).filter(Boolean);\n for (let i = 0; i < symbols.length; i += 45) {\n const chunk = symbols.slice(i, i + 45);\n try {\n const url = `https://query1.finance.yahoo.com/v7/finance/quote?symbols=${\n encodeURIComponent(chunk.join(\",\"))\n }`;\n const r = await fetch(url, {\n headers: { \"user-agent\": \"Mozilla/5.0 ValTown VN cap scanner\" },\n });\n if (!r.ok) continue;\n const j = await r.json();\n const qs: any[] = j?.quoteResponse?.result || [];\n for (const q of qs) {\n const sym = q.symbol;\n const item = items.find((x) => x.symbol === sym);\n const cap = Number(q.marketCap);\n if (item && Number.isFinite(cap) && cap > 0) item.marketCap = cap;\n const nm = String(q.shortName || q.longName || \"\").trim();\n if (\n item && nm && item.name && item.name.length <= 4 && nm.length < 42\n ) item.name = nm;\n }\n } catch (_e) {}\n }\n const missing = items.filter((x) => !x.marketCap || x.marketCap <= 0);\n await pool(missing, 8, async (item: any) => {\n const cap = await fetchTCBSMarketCap(item.code);\n if (cap) item.marketCap = cap;\n return item;\n });\n return items;\n}\nasync function load(force = false) {\n if (!force && cache && Date.now() - cache.ts < TTL) return cache.payload;\n let items = await pool(WATCHLIST, 8, fetchOne);\n items = await enrichMarketCaps(items);\n const order: any = {\n buy: 1,\n watch: 2,\n hold: 3,\n neutral: 4,\n avoid: 5,\n sell: 6,\n error: 7,\n };\n items.sort((a, b) =>\n (order[a.tone] || 9) - (order[b.tone] || 9) || b.score - a.score ||\n a.code.localeCompare(b.code)\n );\n const payload = {\n asOf: new Date().toISOString(),\n source: \"Yahoo Finance + TCBS fallback; dữ liệu có thể trễ\",\n items,\n };\n cache = { ts: Date.now(), payload };\n return payload;\n}\n\nfunction page() {\n return `VN Equity Radar Pro Clean

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Công ty	Tín hiệu	D1	W1	M1	Đa khung	Điểm	Giá	Xu hướng

Giao diện chỉ hiển thị kết quả đã xử lý, không công khai công thức.Nguồn: Yahoo Finance + TCBS fallback, dữ liệu có thể trễ.

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VN EQUITY RADAR

Diff · v2