用 Claude + Alpaca API 查期權數據：踩坑實錄

PYTHONUTF8=1 py -c "
import urllib.request, json, urllib.parse, subprocess

def secret(name):
    r = subprocess.run(
        'gcloud secrets versions access latest --secret=' + name + ' --project=nvda-strategy',
        capture_output=True, text=True, shell=True)
    return r.stdout.strip()

KEY = secret('alpaca-paper-api-key')
SEC = secret('alpaca-paper-secret-key')
H = {'APCA-API-KEY-ID': KEY, 'APCA-API-SECRET-KEY': SEC}

def get(url):
    req = urllib.request.Request(url, headers=H)
    with urllib.request.urlopen(req) as r: return json.loads(r.read())

# 市場狀態 + 股價
clock = get('https://paper-api.alpaca.markets/v2/clock')
spot  = get('https://data.alpaca.markets/v2/stocks/NVDA/quotes/latest')['quote']['ap']
print(f'市場: {\"開盤\" if clock[\"is_open\"] else \"收盤\"}  NVDA: \${spot}')

# 期權 snapshot（把 symbols 換成你要的合約代號）
symbols = 'NVDA260402C00180000,NVDA260402P00180000,NVDA260402C00182500,NVDA260402P00182500'
params  = urllib.parse.urlencode({'symbols': symbols, 'feed': 'indicative'})
snaps   = get(f'https://data.alpaca.markets/v1beta1/options/snapshots?{params}')['snapshots']

print(f'\n{\"合約代號\":<30} {\"類型\":>5} {\"行使價\":>8} {\"Bid\":>7} {\"Ask\":>7} {\"中間價\":>7} {\"IV\":>7} {\"Delta\":>8}')
print('-'*82)
for sym in sorted(snaps):
    s  = snaps[sym]; q = s['latestQuote']; g = s['greeks']
    typ    = 'CALL' if 'C' in sym[4:] else 'PUT '
    strike = float(sym[-8:]) / 1000
    bp, ap = q['bp'], q['ap']
    print(f'{sym:<30} {typ:>5} {strike:>8.1f} {bp:>7.2f} {ap:>7.2f} {(bp+ap)/2:>7.2f} {s[\"impliedVolatility\"]:>7.1%} {g[\"delta\"]:>8.3f}')
"