The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

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{
  "name": "Compute Sector Heatmap",
  "nodes": [
    {
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "hour": 0,
              "minutes": 30
            }
          ]
        }
      },
      "id": "Cron",
      "name": "Cron Trigger",
      "type": "n8n-nodes-base.cron",
      "typeVersion": 1
    },
    {
      "parameters": {
        "operation": "executeQuery",
        "query": "DELETE FROM sector_heatmap WHERE as_of_date = CURRENT_DATE;"
      },
      "id": "Clear Today",
      "name": "Clear Today",
      "type": "n8n-nodes-base.postgres",
      "typeVersion": 1,
      "credentials": {
        "postgres": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "operation": "executeQuery",
        "query": "INSERT INTO sector_heatmap (sector_norm, as_of_date, score, rsi, change_pct, volspike)\nSELECT\n    sector,\n    CURRENT_DATE,\n    AVG(score) AS score,\n    AVG(rsi) AS rsi,\n    AVG(changePct) AS change_pct,\n    AVG(volSpike) AS volspike\nFROM bullish_detail_flat\nGROUP BY sector;"
      },
      "id": "Insert Heatmap",
      "name": "Insert Heatmap",
      "type": "n8n-nodes-base.postgres",
      "typeVersion": 1,
      "credentials": {
        "postgres": {
          "name": "<your credential>"
        }
      }
    }
  ],
  "connections": {
    "Clear Today": {
      "main": [
        [
          {
            "node": "Insert Heatmap",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Cron Trigger": {
      "main": [
        [
          {
            "node": "Clear Today",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}