GPT-5.5 Replay

Paper research only. Model: gpt-5.5. Daily GPT decision, next-open execution, Japan board lots enforced.
optimistic
1,069,861 JPY
+6.99%
cash 29,261 + positions 1,040,600
pessimistic
993,846 JPY
-0.62%
cash 690,306 + positions 303,540
neutral
925,692 JPY
-7.43%
cash 637,092 + positions 288,600

Equity Curve

neutraloptimisticpessimistic

Summary

personafinal_navfinal_cashfinal_positions_valuetotal_returnmax_drawdownsharpeorderspositions
optimistic1,069,86129,2611,040,6006.99%-4.10%3.21806{"4063.T": 100.0, "8306.T": 100.0}
pessimistic993,846690,306303,540-0.62%-2.25%-1.41044{"8306.T": 100.0, "9432.T": 100.0}
neutral925,692637,092288,600-7.43%-8.82%-4.87487{"8306.T": 100.0}

Orders

execution_datepersonasidesymbolsharesfill_pricecommission
2026-04-14optimisticbuy4063.T100.00006,696334.8000
2026-04-14optimisticbuy8306.T100.00002,890144.4750
2026-04-14neutralbuy8306.T100.00002,890144.4750
2026-04-14pessimisticbuy9432.T100.0000152.60007.6300
2026-04-15pessimisticbuy8306.T100.00002,866143.3000
2026-04-23optimisticsell8306.T100.00002,794139.7000
2026-04-23neutralsell8306.T100.00002,794139.7000
2026-04-23neutralbuy9984.T100.00006,097304.8500
2026-04-23pessimisticsell8306.T100.00002,794139.7000
2026-04-24optimisticbuy8306.T100.00002,782139.1250
2026-04-27optimisticsell8306.T100.00002,745137.2500
2026-04-27neutralsell9984.T100.00006,016300.8000
2026-04-27neutralbuy8306.T100.00002,745137.2500
2026-04-28neutralbuy9984.T100.00005,660283.0000
2026-04-30optimisticbuy8306.T100.00002,868143.4000
2026-04-30neutralsell9984.T100.00004,968248.4000
2026-04-30pessimisticbuy8306.T100.00002,868143.4000

Latest Decisions

{
  "decision_date": "2026-05-11",
  "execution_date": "2026-05-12",
  "persona": "pessimistic",
  "targets": [
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.165,
      "reason": "Already held; still the best defensive candidate because it is allowed, within minimum-lot cap, in an uptrend, and has moderate volatility."
    },
    {
      "symbol": "9432.T",
      "accepted": true,
      "target_weight": 0.015,
      "reason": "Already held as a small defensive lot; very low volatility and mild drawdown justify keeping the tiny cash-preservation exposure despite weak trend."
    }
  ]
}
{
  "decision_date": "2026-05-11",
  "execution_date": "2026-05-12",
  "persona": "neutral",
  "targets": [
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.2475,
      "reason": "Already held; only allowed uptrend candidate with acceptable volatility and minimum-lot weight within cap, so keep as the modest balanced exposure."
    }
  ]
}
{
  "decision_date": "2026-05-11",
  "execution_date": "2026-05-12",
  "persona": "optimistic",
  "targets": [
    {
      "symbol": "4063.T",
      "accepted": true,
      "target_weight": 0.33,
      "reason": "Already held; strongest allowed uptrend candidate with high 120/60-day momentum and shallow 60-day drawdown, so keep despite minimum-lot concentration."
    },
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.27,
      "reason": "Already held and still in an uptrend with moderate volatility; keep as secondary exposure while rejecting weaker new entries."
    }
  ]
}
{
  "decision_date": "2026-05-08",
  "execution_date": "2026-05-11",
  "persona": "pessimistic",
  "targets": [
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.165,
      "reason": "Keep one defensive uptrend lot already held: selection is allowed, minimum-lot weight is within cap, volatility is moderate, and drawdown is not severe."
    },
    {
      "symbol": "9432.T",
      "accepted": true,
      "target_weight": 0.015234,
      "reason": "Keep the very small defensive low-volatility lot already held; drawdown is mild and position size is minimal despite no uptrend."
    }
  ]
}
{
  "decision_date": "2026-05-08",
  "execution_date": "2026-05-11",
  "persona": "neutral",
  "targets": [
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.2475,
      "reason": "Keep the existing allowed uptrend holding; risk profile is moderate and better aligned than the available downtrend alternatives, though target is capped by mandate."
    }
  ]
}
{
  "decision_date": "2026-05-08",
  "execution_date": "2026-05-11",
  "persona": "optimistic",
  "targets": [
    {
      "symbol": "4063.T",
      "accepted": true,
      "target_weight": 0.33,
      "reason": "Keep existing high-conviction momentum holding: strong 120/60/20-day returns, uptrend intact, and minimum-lot exposure remains within the optimistic cap."
    },
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.265287,
      "reason": "Keep existing allowed uptrend position as secondary exposure; momentum is weak but still positive enough for the aggressive mandate versus forced liquidation."
    }
  ]
}
{
  "decision_date": "2026-05-07",
  "execution_date": "2026-05-08",
  "persona": "pessimistic",
  "targets": [
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.165,
      "reason": "Keep one defensive lot: selection is allowed, uptrend is true, volatility is not extreme, drawdown is moderate, and minimum-lot weight stays within the cautious cap."
    },
    {
      "symbol": "9432.T",
      "accepted": true,
      "target_weight": 0.015206,
      "reason": "Keep existing very small defensive exposure: low volatility and only mild drawdown make it acceptable despite downtrend and weak momentum."
    }
  ]
}
{
  "decision_date": "2026-05-07",
  "execution_date": "2026-05-08",
  "persona": "neutral",
  "targets": [
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.2475,
      "reason": "Keep the existing allowed position as the only acceptable balanced exposure: uptrend is intact, volatility is moderate, and minimum-lot weight is within cap."
    }
  ]
}
{
  "decision_date": "2026-05-07",
  "execution_date": "2026-05-08",
  "persona": "optimistic",
  "targets": [
    {
      "symbol": "4063.T",
      "accepted": true,
      "target_weight": 0.33,
      "reason": "Keep existing high-conviction position: strongest allowed score, clear uptrend, positive 20/60/120-day momentum, and minimum-lot exposure remains within the optimistic cap."
    },
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.263468,
      "reason": "Keep existing secondary exposure: still allowed, in an uptrend, and current lot size is within both target and minimum-lot constraints despite weaker recent momentum."
    }
  ]
}