{
  "schema_version": 1,
  "classification": "original hypothetical teaching data",
  "instrument": "Harbor Practice Share",
  "currency": "fictional USD-denominated share prices",
  "time_axis": "ordered invented sessions; no exchange, calendar date, or actual instrument",
  "construction": "Hand-authored integer-cent OHLCV tuples chosen from the lesson requirements; no historical series was loaded, copied, perturbed, rescaled or relabeled. No random seed or market-data input.",
  "prices_unit": "integer cents",
  "volume_unit": "fictional shares",
  "records": [
    {
      "session": "Q1",
      "open_cents": 4420,
      "high_cents": 4540,
      "low_cents": 4380,
      "close_cents": 4480,
      "volume_shares": 1800
    },
    {
      "session": "Q2",
      "open_cents": 4490,
      "high_cents": 4800,
      "low_cents": 4430,
      "close_cents": 4720,
      "volume_shares": 2350
    },
    {
      "session": "Q3",
      "open_cents": 4710,
      "high_cents": 4750,
      "low_cents": 4320,
      "close_cents": 4380,
      "volume_shares": 1920
    },
    {
      "session": "Q4",
      "open_cents": 4360,
      "high_cents": 4450,
      "low_cents": 4200,
      "close_cents": 4280,
      "volume_shares": 2480
    },
    {
      "session": "Q5",
      "open_cents": 4290,
      "high_cents": 4620,
      "low_cents": 4250,
      "close_cents": 4570,
      "volume_shares": 1640
    },
    {
      "session": "Q6",
      "open_cents": 4580,
      "high_cents": 4730,
      "low_cents": 4500,
      "close_cents": 4640,
      "volume_shares": 1510
    },
    {
      "session": "Q7",
      "open_cents": 4650,
      "high_cents": 4960,
      "low_cents": 4620,
      "close_cents": 4910,
      "volume_shares": 3120
    },
    {
      "session": "Q8",
      "open_cents": 4920,
      "high_cents": 5100,
      "low_cents": 4880,
      "close_cents": 5020,
      "volume_shares": 2840
    },
    {
      "session": "Q9",
      "open_cents": 5000,
      "high_cents": 5060,
      "low_cents": 4710,
      "close_cents": 4760,
      "volume_shares": 3290
    },
    {
      "session": "Q10",
      "open_cents": 4750,
      "high_cents": 4830,
      "low_cents": 4470,
      "close_cents": 4510,
      "volume_shares": 2730
    },
    {
      "session": "Q11",
      "open_cents": 4500,
      "high_cents": 4580,
      "low_cents": 4120,
      "close_cents": 4160,
      "volume_shares": 3460
    },
    {
      "session": "Q12",
      "open_cents": 4180,
      "high_cents": 4300,
      "low_cents": 4090,
      "close_cents": 4250,
      "volume_shares": 2160
    },
    {
      "session": "Q13",
      "open_cents": 4240,
      "high_cents": 4420,
      "low_cents": 4170,
      "close_cents": 4360,
      "volume_shares": 1740
    },
    {
      "session": "Q14",
      "open_cents": 4370,
      "high_cents": 4400,
      "low_cents": 4130,
      "close_cents": 4180,
      "volume_shares": 2250
    },
    {
      "session": "Q15",
      "open_cents": 4160,
      "high_cents": 4210,
      "low_cents": 3980,
      "close_cents": 4030,
      "volume_shares": 2870
    },
    {
      "session": "Q16",
      "open_cents": 4040,
      "high_cents": 4240,
      "low_cents": 4010,
      "close_cents": 4190,
      "volume_shares": 1930
    }
  ],
  "figure_alt": "Sixteen invented sessions show a range fixed at 42 to 48 after Q6, an upward breakout at Q7, return inside at Q9 and close below the floor at Q11. Volume does not identify participants.",
  "software_validation": "An arithmetic teaching fixture only; not a Pine execution, chart-platform test or performance observation.",
  "derived": {
    "range_known_after": "Q6",
    "ceiling_cents": 4800,
    "floor_cents": 4200,
    "breakout_session": "Q7",
    "return_inside_session": "Q9",
    "below_floor_session": "Q11"
  }
}