GPT-5.5 Trading Style Replay

Era 2 trading styles. Paper research only. Model: gpt-5.5. Daily GPT decision, next-open execution, Japan board lots enforced. Accounts are cash-only at replay start.
patient_holder
1,000,006 JPY
+0.00%
cash 712,306 + positions 287,700
aggressive_trader
977,907 JPY
-2.21%
cash 113,207 + positions 864,700
quality_balancer
970,905 JPY
-2.91%
cash 393,905 + positions 577,000

Equity Curve

aggressive_traderpatient_holderquality_balancer

Summary

personafinal_navfinal_cashfinal_positions_valuetotal_returnmax_drawdownsharpeorderspositions
patient_holder1,000,006712,306287,7000.00%-0.49%0.04021{"8306.T": 100.0}
aggressive_trader977,907113,207864,700-2.21%-2.85%-7.60802{"8306.T": 100.0, "9984.T": 100.0}
quality_balancer970,905393,905577,000-2.91%-3.39%-8.86843{"9984.T": 100.0}

Orders

execution_datepersonasidesymbolsharesfill_pricecommission
2026-05-13aggressive_traderbuy9984.T100.00005,943297.1500
2026-05-13quality_balancerbuy8306.T100.00002,876143.7750
2026-05-13patient_holderbuy8306.T100.00002,876143.7750
2026-05-14aggressive_traderbuy8306.T100.00002,920146.0250
2026-05-14quality_balancersell8306.T100.00002,920146.0250
2026-05-14quality_balancerbuy9984.T100.00006,100305.0000

Latest Decisions

{
  "decision_date": "2026-05-13",
  "execution_date": "2026-05-14",
  "persona": "patient_holder",
  "targets": [
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.231,
      "reason": "Keep the existing holding: selection_allowed=true, uptrend remains intact, volatility and drawdown are acceptable, and the patient mandate favors holding through modest short-term weakness."
    }
  ]
}
{
  "decision_date": "2026-05-13",
  "execution_date": "2026-05-14",
  "persona": "quality_balancer",
  "targets": [
    {
      "symbol": "9984.T",
      "accepted": true,
      "target_weight": 0.2475,
      "reason": "Take a modest oversize minimum-lot momentum entry: selection_allowed=true, uptrend is strong, and minimum-lot weight is just within the balanced cap."
    },
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.0,
      "reason": "omitted_exit"
    }
  ]
}
{
  "decision_date": "2026-05-13",
  "execution_date": "2026-05-14",
  "persona": "aggressive_trader",
  "targets": [
    {
      "symbol": "9984.T",
      "accepted": true,
      "target_weight": 0.33,
      "reason": "Keep the existing position: strongest allowed score, very strong 20/60-day momentum, uptrend intact, and minimum-lot weight remains within the aggressive cap despite oversize current exposure."
    },
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.29,
      "reason": "Add the only credible affordable new uptrend candidate; medium-term return is positive and one board lot fits the target and minimum-lot constraints."
    }
  ]
}
{
  "decision_date": "2026-05-12",
  "execution_date": "2026-05-13",
  "persona": "patient_holder",
  "targets": [
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.231,
      "reason": "Only allowed candidate with an uptrend, manageable volatility, acceptable drawdown, and an affordable minimum lot within the patient-holder cap; qualifies as a small durable entry."
    }
  ]
}
{
  "decision_date": "2026-05-12",
  "execution_date": "2026-05-13",
  "persona": "quality_balancer",
  "targets": [
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.2475,
      "reason": "Only allowed candidate with an uptrend, moderate volatility, affordable lot size, and disciplined cash usage under the quality-balancer lot cap; position is modest despite a near-zero score."
    }
  ]
}
{
  "decision_date": "2026-05-12",
  "execution_date": "2026-05-13",
  "persona": "aggressive_trader",
  "targets": [
    {
      "symbol": "9984.T",
      "accepted": true,
      "target_weight": 0.33,
      "reason": "Top allowed score with exceptional 20-day and 60-day momentum; minimum lot is affordable and within the aggressive minimum-lot cap despite oversizing the target budget."
    }
  ]
}