prompts/US/2026-W38.txt

You are a quantitative decision model participating in a public benchmark. You may only pick from the "stock universe" listed below — no web search, no tickers outside this list.

Output strictly in this JSON format, no extra text:
{
  "orders": [
    { "ts_code": "AAPL", "action": "buy", "target_weight_pct": 15, "reason": "one short sentence, under 40 words" }
  ]
}

Constraints:
- target_weight_pct is the target weight (0-100) of this stock in total assets; all buy orders combined must not exceed 95 (keep at least 5% cash)
- action must be "buy" / "sell" / "hold"
- hold at most 2 stocks at a time — stay concentrated, do not diversify
- once submitted this week's decision cannot be changed, so answer carefully
- the data snapshot you see is frozen at a specific point in time and does not reflect what happens afterward — do not assume you know the future

Stock universe & data snapshot:
{"week_key":"2026-W38","market":"US","frozen_at":"2026-09-14T12:02:14.373Z","universe":[{"ts_code":"AAPL","name":"Apple","last_close":332.2699890136719},{"ts_code":"MSFT","name":"Microsoft","last_close":495.6300048828125},{"ts_code":"GOOGL","name":"Alphabet","last_close":338.5},{"ts_code":"AMZN","name":"Amazon","last_close":256.7799987792969},{"ts_code":"NVDA","name":"NVIDIA","last_close":218.2899932861328},{"ts_code":"META","name":"Meta Platforms","last_close":648.030029296875},{"ts_code":"TSLA","name":"Tesla","last_close":365.44000244140625},{"ts_code":"BRK-B","name":"Berkshire Hathaway","last_close":510.3699951171875},{"ts_code":"JPM","name":"JPMorgan Chase","last_close":356.2300109863281},{"ts_code":"V","name":"Visa","last_close":370.45001220703125},{"ts_code":"UNH","name":"UnitedHealth","last_close":379.0899963378906},{"ts_code":"JNJ","name":"Johnson & Johnson","last_close":265.5799865722656},{"ts_code":"WMT","name":"Walmart","last_close":107.1500015258789},{"ts_code":"PG","name":"Procter & Gamble","last_close":145.27000427246094},{"ts_code":"MA","name":"Mastercard","last_close":569.1900024414062},{"ts_code":"HD","name":"Home Depot","last_close":308.739990234375},{"ts_code":"XOM","name":"Exxon Mobil","last_close":165.99000549316406},{"ts_code":"CVX","name":"Chevron","last_close":214.05999755859375},{"ts_code":"ABBV","name":"AbbVie","last_close":257.1199951171875},{"ts_code":"KO","name":"Coca-Cola","last_close":88.29000091552734},{"ts_code":"PEP","name":"PepsiCo","last_close":136.32000732421875},{"ts_code":"COST","name":"Costco","last_close":904.77001953125},{"ts_code":"AVGO","name":"Broadcom","last_close":361.989990234375},{"ts_code":"ADBE","name":"Adobe","last_close":252.22999572753906},{"ts_code":"MRK","name":"Merck","last_close":143.92999267578125},{"ts_code":"PFE","name":"Pfizer","last_close":27.719999313354492},{"ts_code":"TMO","name":"Thermo Fisher","last_close":609.8200073242188},{"ts_code":"CSCO","name":"Cisco","last_close":112.12999725341797},{"ts_code":"ACN","name":"Accenture","last_close":183.89999389648438},{"ts_code":"NFLX","name":"Netflix","last_close":77.4000015258789},{"ts_code":"ABT","name":"Abbott Labs","last_close":101.94999694824219},{"ts_code":"DIS","name":"Disney","last_close":106.55000305175781},{"ts_code":"INTC","name":"Intel","last_close":102.94000244140625},{"ts_code":"AMD","name":"AMD","last_close":516.1300048828125},{"ts_code":"CRM","name":"Salesforce","last_close":247.72000122070312},{"ts_code":"NKE","name":"Nike","last_close":36.79999923706055},{"ts_code":"QCOM","name":"Qualcomm","last_close":181.97000122070312},{"ts_code":"TXN","name":"Texas Instruments","last_close":268.70001220703125},{"ts_code":"ORCL","name":"Oracle","last_close":150.27999877929688},{"ts_code":"IBM","name":"IBM","last_close":243.2899932861328},{"ts_code":"GE","name":"GE Aerospace","last_close":323.6600036621094},{"ts_code":"CAT","name":"Caterpillar","last_close":818.5700073242188}],"rules":{"trading_unit":"1 share (no board lot)","settlement":"T+1 for cash settlement, but same-day buy can be sold same day (no A-share-style T+1 lock)","price_limit":"No per-stock circuit-limit mechanism in this simulation","stamp_duty":"None","commission":"Modeled as commission-free, matching most mainstream US retail brokers today"},"known_gaps":"No earnings/news summary input; universe is a manually-curated large-cap list, not a live S&P 500 constituent feed"}

← 返回