GPT-5.5 Replay

Paper research only. Model: gpt-5.5. Daily GPT decision, next-open execution, Japan board lots enforced.
neutral
1,085,379 JPY
+8.54%
pessimistic
1,082,062 JPY
+8.21%
optimistic
1,077,038 JPY
+7.70%

Equity Curve

neutraloptimisticpessimistic

Summary

personafinal_navtotal_returnmax_drawdownsharpeorderspositions
neutral1,085,3798.54%-2.62%4.36593{"4063.T": 100.0}
pessimistic1,082,0628.21%-2.64%4.42831{"4063.T": 100.0}
optimistic1,077,0387.70%-4.10%3.62188{"4063.T": 100.0, "8306.T": 100.0}

Orders

execution_datepersonasidesymbolsharesfill_pricecommission
2026-04-14optimisticbuy4063.T100.00006,696334.8000
2026-04-14optimisticbuy8306.T100.00002,890144.4750
2026-04-14neutralbuy4063.T100.00006,696334.8000
2026-04-15pessimisticbuy4063.T100.00006,750337.5000
2026-04-23optimisticsell8306.T100.00002,794139.7000
2026-04-24optimisticbuy8306.T100.00002,782139.1250
2026-04-27optimisticsell8306.T100.00002,745137.2500
2026-04-28optimisticbuy8306.T100.00002,821141.0500
2026-04-30neutralbuy8306.T100.00002,868143.4000
2026-05-01optimisticbuy9432.T100.0000151.30007.5650
2026-05-07optimisticsell9432.T100.0000151.70007.5850
2026-05-07neutralsell8306.T100.00002,850142.5000

Latest Decisions

{
  "decision_date": "2026-05-08",
  "execution_date": "2026-05-11",
  "persona": "pessimistic",
  "targets": [
    {
      "symbol": "4063.T",
      "accepted": true,
      "target_weight": 0.165,
      "reason": "Keep existing position only because it remains the best available positive-score uptrend holding; no additional risk is justified under the cautious mandate."
    }
  ]
}
{
  "decision_date": "2026-05-08",
  "execution_date": "2026-05-11",
  "persona": "neutral",
  "targets": [
    {
      "symbol": "4063.T",
      "accepted": true,
      "target_weight": 0.2475,
      "reason": "Keep existing position because it remains the only high-quality selectable momentum holding, with strong multi-horizon returns and intact uptrend despite oversize lot exposure."
    }
  ]
}
{
  "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 winner: strongest selectable momentum name with positive 20/60/120-day returns and intact uptrend; position is already held despite being above target due board-lot constraints."
    },
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.264107,
      "reason": "Keep existing lot only: still in uptrend and within max target, but weak score and negative 60-day return argue against adding."
    }
  ]
}
{
  "decision_date": "2026-05-07",
  "execution_date": "2026-05-08",
  "persona": "pessimistic",
  "targets": [
    {
      "symbol": "4063.T",
      "accepted": true,
      "target_weight": 0.165,
      "reason": "Keep existing oversize board-lot position only; still positive and uptrending, but risk budget is tight."
    }
  ]
}
{
  "decision_date": "2026-05-07",
  "execution_date": "2026-05-08",
  "persona": "neutral",
  "targets": [
    {
      "symbol": "4063.T",
      "accepted": true,
      "target_weight": 0.2475,
      "reason": "Keep existing oversize board-lot position; still the only strong positive, uptrending signal."
    }
  ]
}
{
  "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 oversize board-lot position; strongest candidate with positive 20/60/120-day momentum and uptrend."
    },
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.262326,
      "reason": "Keep existing position; signal is modest but still uptrend with positive 120-day return, while cash cannot fund stronger new lots."
    }
  ]
}
{
  "decision_date": "2026-05-01",
  "execution_date": "2026-05-07",
  "persona": "pessimistic",
  "targets": [
    {
      "symbol": "4063.T",
      "accepted": true,
      "target_weight": 0.165,
      "reason": "Keep the only high-quality existing winner: positive score, uptrend intact, strong 60/120-day returns; position remains oversize because of board-lot constraints."
    }
  ]
}
{
  "decision_date": "2026-05-01",
  "execution_date": "2026-05-07",
  "persona": "neutral",
  "targets": [
    {
      "symbol": "4063.T",
      "accepted": true,
      "target_weight": 0.2475,
      "reason": "Keep only the clear winner: best score, strong 60/120-day returns, and uptrend intact despite oversize board-lot weight."
    },
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.0,
      "reason": "omitted_exit"
    }
  ]
}
{
  "decision_date": "2026-05-01",
  "execution_date": "2026-05-07",
  "persona": "optimistic",
  "targets": [
    {
      "symbol": "4063.T",
      "accepted": true,
      "target_weight": 0.33,
      "reason": "Keep existing momentum leader: strongest score, uptrend intact, positive 20/60/120-day returns; already held as an oversize board-lot position."
    },
    {
      "symbol": "8306.T",
      "accepted": true,
      "target_weight": 0.273182,
      "reason": "Keep existing position: score is modest but still positive, uptrend remains true, and no cash-affordable higher-quality new candidate is available."
    },
    {
      "symbol": "9432.T",
      "accepted": true,
      "target_weight": 0.0,
      "reason": "omitted_exit"
    }
  ]
}