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
1,005,206 JPY
+0.52%
cash 712,306 + positions 292,900
aggressive_trader
978,611 JPY
-2.14%
cash 404,111 + positions 574,500
quality_balancer
975,420 JPY
-2.46%
cash 682,520 + positions 292,900

Equity Curve

aggressive_traderpatient_holderquality_balancer

Summary

personafinal_navfinal_cashfinal_positions_valuetotal_returnmax_drawdownsharpeorderspositions
patient_holder1,005,206712,306292,9000.52%-0.49%4.99711{"8306.T": 100.0}
aggressive_trader978,611404,111574,500-2.14%-2.85%-6.16203{"9984.T": 100.0}
quality_balancer975,420682,520292,900-2.46%-3.39%-5.95555{"8306.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
2026-05-15aggressive_tradersell8306.T100.00002,910145.5250
2026-05-15quality_balancersell9984.T100.00005,801290.0500
2026-05-15quality_balancerbuy8306.T100.00002,910145.5250

Latest Decisions

{
  "decision_date": "2026-05-14",
  "execution_date": "2026-05-15",
  "persona": "patient_holder",
  "targets": [
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.231,
      "reason": "Keep the existing holding: it remains in an uptrend with positive 120-day resilience, moderate volatility, and no clear thesis break despite weak 60-day momentum."
    }
  ]
}
{
  "decision_date": "2026-05-14",
  "execution_date": "2026-05-15",
  "persona": "quality_balancer",
  "targets": [
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.2475,
      "reason": "Best allowed new entry after risk balancing: uptrend, positive 120-day return, moderate volatility, and manageable drawdown, despite weak recent momentum."
    },
    {
      "symbol": "9984.T",
      "accepted": true,
      "target_weight": 0.0,
      "reason": "omitted_exit"
    }
  ]
}
{
  "decision_date": "2026-05-14",
  "execution_date": "2026-05-15",
  "persona": "aggressive_trader",
  "targets": [
    {
      "symbol": "9984.T",
      "accepted": true,
      "target_weight": 0.33,
      "reason": "Keep the strongest allowed momentum holding: very strong 20-day return, positive 60-day return, and uptrend justify the minimum-lot overweight within the style cap."
    },
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.0,
      "reason": "omitted_exit"
    }
  ]
}
{
  "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."
    }
  ]
}