{
 "model": "desk",
 "name": "Trade desk: a team blotter with who entered what",
 "units": "US dollars",
 "periods": {
  "start": "2026-01",
  "count": 9,
  "grain": "month"
 },
 "tables": {
  "people": {
   "name": "People",
   "fields": {
    "role": "text"
   },
   "rows": [
    {
     "id": "maya",
     "name": "Maya Okonkwo",
     "role": "Portfolio manager"
    },
    {
     "id": "tomas",
     "name": "Tomas Lindqvist",
     "role": "Analyst, technology"
    },
    {
     "id": "priya",
     "name": "Priya Raman",
     "role": "Analyst, health care"
    },
    {
     "id": "dan",
     "name": "Dan Whitfield",
     "role": "Risk"
    }
   ]
  },
  "tickers": {
   "name": "Tickers",
   "fields": {
    "sector": "text",
    "last": "number",
    "covered_by": "ref:people"
   },
   "rows": [
    {
     "id": "nvda",
     "name": "NVIDIA",
     "sector": "Semiconductors",
     "last": 178.2,
     "covered_by": "tomas"
    },
    {
     "id": "msft",
     "name": "Microsoft",
     "sector": "Software",
     "last": 512.4,
     "covered_by": "tomas"
    },
    {
     "id": "lly",
     "name": "Eli Lilly",
     "sector": "Pharmaceuticals",
     "last": 902.5,
     "covered_by": "priya"
    },
    {
     "id": "unh",
     "name": "UnitedHealth",
     "sector": "Managed care",
     "last": 336.1,
     "covered_by": "priya"
    },
    {
     "id": "asml",
     "name": "ASML",
     "sector": "Semiconductor equipment",
     "last": 1043.0,
     "covered_by": "tomas"
    },
    {
     "id": "isrg",
     "name": "Intuitive Surgical",
     "sector": "Medical devices",
     "last": 566.8,
     "covered_by": "priya"
    },
    {
     "id": "avgo",
     "name": "Broadcom",
     "sector": "Semiconductors",
     "last": 361.9,
     "covered_by": "tomas"
    },
    {
     "id": "vrtx",
     "name": "Vertex Pharmaceuticals",
     "sector": "Biotechnology",
     "last": 452.3,
     "covered_by": "priya"
    },
    {
     "id": "crwd",
     "name": "CrowdStrike",
     "sector": "Security software",
     "last": 402.6,
     "covered_by": "tomas"
    },
    {
     "id": "now",
     "name": "ServiceNow",
     "sector": "Software",
     "last": 812.0,
     "covered_by": "maya"
    },
    {
     "id": "regn",
     "name": "Regeneron",
     "sector": "Biotechnology",
     "last": 611.4,
     "covered_by": "priya"
    }
   ]
  },
  "sides": {
   "name": "Side",
   "rows": [
    {
     "id": "buy",
     "name": "Buy"
    },
    {
     "id": "sell",
     "name": "Sell"
    }
   ]
  },
  "statuses": {
   "name": "Research status",
   "rows": [
    {
     "id": "idea",
     "name": "Idea"
    },
    {
     "id": "researching",
     "name": "Researching"
    },
    {
     "id": "owned",
     "name": "Owned"
    },
    {
     "id": "exited",
     "name": "Exited"
    },
    {
     "id": "passed",
     "name": "Passed"
    }
   ]
  },
  "trades": {
   "name": "Trade blotter",
   "track": true,
   "fields": {
    "date": "date",
    "ticker": "ref:tickers",
    "side": "ref:sides",
    "quantity": "number",
    "price": "number",
    "entered_by": "ref:people",
    "note": "text",
    "value": "number*",
    "signed_shares": "number*",
    "period": "ref:periods*",
    "entered_period": "ref:periods*"
   },
   "rows": [
    {
     "id": "t001",
     "date": "2026-01-14",
     "ticker": "nvda",
     "side": "buy",
     "quantity": 1200,
     "price": 141.3,
     "entered_by": "maya",
     "note": "Adding on the thesis"
    },
    {
     "id": "t002",
     "date": "2026-01-14",
     "ticker": "msft",
     "side": "buy",
     "quantity": 400,
     "price": 471.2,
     "entered_by": "maya",
     "note": "Adding on the thesis"
    },
    {
     "id": "t003",
     "date": "2026-01-28",
     "ticker": "lly",
     "side": "buy",
     "quantity": 150,
     "price": 812.4,
     "entered_by": "priya",
     "note": "Adding on the thesis"
    },
    {
     "id": "t004",
     "date": "2026-02-09",
     "ticker": "asml",
     "side": "buy",
     "quantity": 120,
     "price": 903.1,
     "entered_by": "tomas",
     "note": "Adding on the thesis"
    },
    {
     "id": "t005",
     "date": "2026-02-20",
     "ticker": "nvda",
     "side": "buy",
     "quantity": 600,
     "price": 152.8,
     "entered_by": "tomas",
     "note": "Adding on the thesis"
    },
    {
     "id": "t006",
     "date": "2026-03-03",
     "ticker": "unh",
     "side": "buy",
     "quantity": 500,
     "price": 291.6,
     "entered_by": "priya",
     "note": "Adding on the thesis"
    },
    {
     "id": "t007",
     "date": "2026-03-17",
     "ticker": "msft",
     "side": "sell",
     "quantity": 150,
     "price": 498.0,
     "entered_by": "maya",
     "note": "Trimming into strength"
    },
    {
     "id": "t008",
     "date": "2026-04-02",
     "ticker": "isrg",
     "side": "buy",
     "quantity": 180,
     "price": 521.4,
     "entered_by": "priya",
     "note": "Adding on the thesis"
    },
    {
     "id": "t009",
     "date": "2026-04-21",
     "ticker": "avgo",
     "side": "buy",
     "quantity": 700,
     "price": 318.7,
     "entered_by": "tomas",
     "note": "Adding on the thesis"
    },
    {
     "id": "t010",
     "date": "2026-05-06",
     "ticker": "nvda",
     "side": "sell",
     "quantity": 400,
     "price": 168.9,
     "entered_by": "maya",
     "note": "Trimming into strength"
    },
    {
     "id": "t011",
     "date": "2026-05-19",
     "ticker": "vrtx",
     "side": "buy",
     "quantity": 220,
     "price": 421.8,
     "entered_by": "priya",
     "note": "Adding on the thesis"
    },
    {
     "id": "t012",
     "date": "2026-06-08",
     "ticker": "asml",
     "side": "buy",
     "quantity": 60,
     "price": 975.3,
     "entered_by": "tomas",
     "note": "Adding on the thesis"
    },
    {
     "id": "t013",
     "date": "2026-06-25",
     "ticker": "unh",
     "side": "sell",
     "quantity": 200,
     "price": 312.4,
     "entered_by": "priya",
     "note": "Trimming into strength"
    },
    {
     "id": "t014",
     "date": "2026-07-07",
     "ticker": "avgo",
     "side": "buy",
     "quantity": 300,
     "price": 334.1,
     "entered_by": "tomas",
     "note": "Adding on the thesis"
    },
    {
     "id": "t015",
     "date": "2026-07-23",
     "ticker": "msft",
     "side": "buy",
     "quantity": 250,
     "price": 489.6,
     "entered_by": "maya",
     "note": "Adding on the thesis"
    },
    {
     "id": "t016",
     "date": "2026-08-11",
     "ticker": "lly",
     "side": "buy",
     "quantity": 80,
     "price": 866.2,
     "entered_by": "priya",
     "note": "Adding on the thesis"
    },
    {
     "id": "t017",
     "date": "2026-08-27",
     "ticker": "isrg",
     "side": "sell",
     "quantity": 60,
     "price": 548.9,
     "entered_by": "priya",
     "note": "Trimming into strength"
    },
    {
     "id": "t018",
     "date": "2026-09-03",
     "ticker": "nvda",
     "side": "buy",
     "quantity": 500,
     "price": 171.4,
     "entered_by": "tomas",
     "note": "Adding on the thesis"
    },
    {
     "id": "t019",
     "date": "2026-09-15",
     "ticker": "vrtx",
     "side": "buy",
     "quantity": 100,
     "price": 438.5,
     "entered_by": "priya",
     "note": "Adding on the thesis"
    },
    {
     "id": "t020",
     "date": "2026-09-22",
     "ticker": "avgo",
     "side": "sell",
     "quantity": 250,
     "price": 357.2,
     "entered_by": "maya",
     "note": "Trimming into strength"
    }
   ],
   "rules": [
    "value = quantity * price",
    "signed_shares = quantity * IF(side = \"sell\", -1, 1)",
    "period = PERIOD(date, periods)",
    "entered_period = PERIOD(added_at, periods)"
   ]
  },
  "watchlist": {
   "name": "Watchlist and notes",
   "track": true,
   "fields": {
    "ticker": "ref:tickers",
    "status": "ref:statuses",
    "owner": "ref:people",
    "note": "text",
    "noted_period": "ref:periods*",
    "one": "number*"
   },
   "rows": [
    {
     "id": "w01",
     "ticker": "nvda",
     "status": "owned",
     "owner": "tomas",
     "note": "Data-centre demand still ahead of supply; watching gross margin on the next print."
    },
    {
     "id": "w02",
     "ticker": "msft",
     "status": "owned",
     "owner": "maya",
     "note": "Cloud growth steady; the capex line is the thing to watch."
    },
    {
     "id": "w03",
     "ticker": "lly",
     "status": "owned",
     "owner": "priya",
     "note": "Incretin franchise compounding; supply constraints easing."
    },
    {
     "id": "w04",
     "ticker": "unh",
     "status": "owned",
     "owner": "priya",
     "note": "Trimmed on the cost ratio; keeping a half position while utilisation normalises."
    },
    {
     "id": "w05",
     "ticker": "asml",
     "status": "owned",
     "owner": "tomas",
     "note": "Order book covers two years; export rules are the risk."
    },
    {
     "id": "w06",
     "ticker": "isrg",
     "status": "owned",
     "owner": "priya",
     "note": "Procedure growth intact, install base compounding."
    },
    {
     "id": "w07",
     "ticker": "avgo",
     "status": "owned",
     "owner": "tomas",
     "note": "Custom silicon share gains; software mix lifts margin."
    },
    {
     "id": "w08",
     "ticker": "vrtx",
     "status": "researching",
     "owner": "priya",
     "note": "Pain programme read-out due; sizing a starter position."
    },
    {
     "id": "w09",
     "ticker": "crwd",
     "status": "researching",
     "owner": "tomas",
     "note": "Platform consolidation story; waiting on net retention."
    },
    {
     "id": "w10",
     "ticker": "now",
     "status": "idea",
     "owner": "maya",
     "note": "Worth a look after the guide-down."
    },
    {
     "id": "w11",
     "ticker": "regn",
     "status": "passed",
     "owner": "priya",
     "note": "Passed: pipeline concentration too high for the sleeve."
    }
   ],
   "rules": [
    "noted_period = PERIOD(changed_at, periods)",
    "one = 1"
   ]
  }
 },
 "pivots": {
  "position": {
   "name": "Positions",
   "dims": {
    "ticker": "tickers",
    "period": false
   },
   "lines": [
    {
     "id": "shares",
     "name": "Shares held"
    },
    {
     "id": "cost",
     "name": "Cost",
     "format": "currency"
    },
    {
     "id": "last",
     "name": "Last price",
     "format": "currency"
    },
    {
     "id": "market_value",
     "name": "Market value",
     "format": "currency"
    },
    {
     "id": "unrealised",
     "name": "Unrealised gain",
     "format": "currency"
    },
    {
     "id": "weight",
     "name": "Weight",
     "format": "percent"
    }
   ],
   "rules": [
    "shares = SUM(trades.signed_shares[ticker=@ticker])",
    "cost = SUM(trades.value[ticker=@ticker, side=buy]) - SUM(trades.value[ticker=@ticker, side=sell])",
    "last = SUM(tickers.last[id=@ticker])",
    "market_value = shares * last",
    "unrealised = market_value - cost",
    "weight = market_value / fund.market_value"
   ]
  },
  "fund": {
   "name": "The book",
   "dims": {
    "period": false
   },
   "lines": [
    {
     "id": "market_value",
     "name": "Market value",
     "format": "currency"
    },
    {
     "id": "cost",
     "name": "Cost",
     "format": "currency"
    },
    {
     "id": "unrealised",
     "name": "Unrealised gain",
     "format": "currency"
    },
    {
     "id": "names",
     "name": "Names held"
    }
   ],
   "rules": [
    "market_value = SUM(position.market_value)",
    "cost = SUM(position.cost)",
    "unrealised = market_value - cost",
    "names = COUNT(watchlist.one[status=owned])"
   ]
  },
  "contributions": {
   "name": "Who entered what",
   "dims": {
    "person": "people",
    "period": "periods"
   },
   "lines": [
    {
     "id": "trades_entered",
     "name": "Trades entered"
    },
    {
     "id": "traded_value",
     "name": "Value entered",
     "format": "currency"
    },
    {
     "id": "notes_touched",
     "name": "Watchlist notes they keep"
    }
   ],
   "rules": [
    "trades_entered = COUNT(trades.value[added_by=@person, period=@period])",
    "traded_value = SUM(trades.value[added_by=@person, period=@period])",
    "notes_touched = COUNT(watchlist.one[changed_by=@person])"
   ]
  },
  "coverage": {
   "name": "By analyst",
   "dims": {
    "person": "people",
    "period": false
   },
   "lines": [
    {
     "id": "names_covered",
     "name": "Names covered"
    },
    {
     "id": "positions",
     "name": "Positions held"
    },
    {
     "id": "market_value",
     "name": "Market value",
     "format": "currency"
    },
    {
     "id": "notes",
     "name": "Notes on the list"
    }
   ],
   "rules": [
    "names_covered = COUNT(tickers.last[covered_by=@person])",
    "positions = COUNT(watchlist.one[owner=@person, status=owned])",
    "market_value = SUM(position.market_value[ticker.covered_by=@person])",
    "notes = COUNT(watchlist.one[owner=@person])"
   ]
  }
 },
 "outputs": [
  {
   "pivot": "position",
   "rows": [
    "ticker"
   ],
   "title": "Positions"
  },
  {
   "pivot": "contributions",
   "rows": [
    "person"
   ],
   "cols": [
    "period"
   ],
   "lines": [
    "trades_entered"
   ],
   "title": "Trades entered per person"
  }
 ],
 "dashboards": [
  {
   "id": "desk",
   "name": "The desk",
   "theme": "banking",
   "cards": [
    {
     "kind": "links"
    },
    {
     "kind": "text",
     "text": "Every row in the blotter and on the watchlist carries the person who entered it and the person who last changed it. The engine fills those columns; nobody types them, and a client that sends them is ignored. They are ordinary fields, so the Activity page charts them like any other dimension.\nLog a trade below and it lands in the blotter with your name on it; double-click a cell in the blotter to change one. A name the desk has not traded before needs a ticker first: the symbol is its id, and it shows up in the pickers at once."
    },
    {
     "kind": "kpi",
     "pivot": "fund",
     "line": "market_value",
     "title": "Market value"
    },
    {
     "kind": "kpi",
     "pivot": "fund",
     "line": "unrealised",
     "title": "Unrealised gain"
    },
    {
     "kind": "kpi",
     "pivot": "fund",
     "line": "names",
     "title": "Names held"
    },
    {
     "kind": "table",
     "pivot": "position",
     "rows": [
      "ticker"
     ],
     "cols": [
      "line"
     ],
     "title": "Positions",
     "sort": "-market_value",
     "hideZeroRows": true
    },
    {
     "kind": "chart",
     "type": "bar",
     "pivot": "coverage",
     "rows": [
      "line"
     ],
     "cols": [
      "person"
     ],
     "lines": [
      "market_value"
     ],
     "title": "The book, by the analyst who covers it",
     "w": 4
    },
    {
     "kind": "chart",
     "type": "bar",
     "pivot": "position",
     "rows": [
      "line"
     ],
     "cols": [
      "ticker"
     ],
     "lines": [
      "market_value"
     ],
     "title": "Market value by name",
     "w": 4
    },
    {
     "kind": "chart",
     "type": "bar",
     "pivot": "position",
     "rows": [
      "line"
     ],
     "cols": [
      "ticker"
     ],
     "lines": [
      "unrealised"
     ],
     "title": "Unrealised gain by name",
     "w": 4
    },
    {
     "kind": "form",
     "table": "trades",
     "title": "Log a trade",
     "w": 6,
     "h": 5,
     "form": {
      "fields": [
       "date",
       "ticker",
       "side",
       "quantity",
       "price",
       "entered_by",
       "note"
      ],
      "button": "Add it to the blotter"
     }
    },
    {
     "kind": "form",
     "table": "tickers",
     "title": "Add a ticker",
     "w": 6,
     "h": 5,
     "form": {
      "fields": [
       "id",
       "name",
       "sector",
       "last",
       "covered_by"
      ],
      "button": "Add the ticker"
     }
    },
    {
     "kind": "data",
     "table": "trades",
     "title": "The blotter, newest first",
     "fields": [
      "date",
      "ticker",
      "side",
      "quantity",
      "price",
      "value",
      "added_by",
      "added_at",
      "changed_by",
      "changed_at",
      "note"
     ],
     "sort": "-date",
     "limit": 50,
     "h": 10
    }
   ]
  },
  {
   "id": "activity",
   "name": "Who did what",
   "theme": "banking",
   "cards": [
    {
     "kind": "links"
    },
    {
     "kind": "text",
     "text": "**The desk's own record.** `added_by` and `changed_by` reference the people table the engine keeps, so contributions pivot like any other dimension. The log behind them keeps every change ever made, including the ones since overwritten."
    },
    {
     "kind": "chart",
     "type": "stackedBar",
     "pivot": "contributions",
     "rows": [
      "person"
     ],
     "cols": [
      "period"
     ],
     "pages": {
      "line": "trades_entered"
     },
     "title": "Trades by month, and who entered them",
     "w": 6
    },
    {
     "kind": "chart",
     "type": "stackedBar",
     "pivot": "contributions",
     "rows": [
      "person"
     ],
     "cols": [
      "period"
     ],
     "pages": {
      "line": "traded_value"
     },
     "title": "Value traded by month, and who entered it",
     "w": 6
    },
    {
     "kind": "table",
     "pivot": "coverage",
     "rows": [
      "person"
     ],
     "cols": [
      "line"
     ],
     "title": "By analyst",
     "sort": "-market_value"
    },
    {
     "kind": "form",
     "table": "watchlist",
     "title": "Put a name on the list",
     "w": 12,
     "h": 4,
     "form": {
      "fields": [
       "ticker",
       "status",
       "owner",
       "note"
      ],
      "button": "Add the note"
     }
    },
    {
     "kind": "data",
     "table": "watchlist",
     "title": "The watchlist: whose note, and when it was last touched",
     "fields": [
      "ticker",
      "status",
      "owner",
      "note",
      "added_by",
      "added_at",
      "changed_by",
      "changed_at"
     ],
     "sort": "-changed_at",
     "limit": 50,
     "h": 9
    }
   ]
  }
 ]
}