股票 › SLM
莎莉美 SLM
美股市值排名 #2456
$16.94 −$0.59 (-3.34%)
休市 · Nov 7, 9:10 am ET · 最新盘后价 $17.00 +0.35%
开盘$17.36
昨收$17.53
当日区间$16.64 – $17.50
成交量4.59M
市值$3.10B
市盈率（TTM）6.1
股息率3.07%
当前期权链的平均隐含波动率为：142%。隐含波动率衡量期权市场预期的价格波动幅度——没有固定的"正常"水平，不同股票差异很大。
各执行价未平仓合约数
仅显示最近到期日。认购在线上方，认沽在线下方——聚集处表示该执行价累积了最多未平仓合约。
各执行价隐含波动率
"波动率微笑"：远离现价的执行价往往比平价执行价定价更高的隐含波动率。
认购
| 到期日 | 执行价 | 最新价 | 买价/卖价 | 成交量 | 未平仓合约数 | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $17.00 | $0.85 | $0.60/$0.90 | 2 | 0 | 61% |
| 20 Nov 2026 | $16.00 | $2.01 | $0.30/$2.25 | 0 | 0 | 57% |
| 20 Nov 2026 | $18.00 | $0.31 | $0.05/$0.80 | 10 | 19 | 65% |
| 20 Nov 2026 | $15.00 | $2.87 | $0.90/$3.60 | 0 | 0 | 82% |
| 20 Nov 2026 | $19.00 | $0.43 | $0.00/$0.65 | 0 | 26 | 88% |
| 20 Nov 2026 | $14.00 | $3.78 | $2.00/$4.80 | 0 | 0 | 129% |
| 20 Nov 2026 | $20.00 | $0.36 | $0.00/$0.95 | 0 | 37 | 101% |
| 20 Nov 2026 | $13.00 | $4.72 | $2.90/$5.80 | 0 | 1 | 153% |
| 20 Nov 2026 | $21.00 | $0.31 | $0.00/$0.65 | 0 | 40 | 112% |
| 20 Nov 2026 | $12.00 | $5.67 | $4.30/$6.80 | 0 | 3 | 214% |
| 20 Nov 2026 | $22.00 | $0.27 | $0.00/$1.70 | 0 | 272 | 122% |
| 20 Nov 2026 | $11.00 | $6.64 | $4.70/$7.80 | 0 | 3 | 199% |
| 20 Nov 2026 | $23.00 | $0.23 | $0.00/$0.15 | 0 | 472 | 130% |
| 20 Nov 2026 | $10.00 | $7.62 | $6.20/$8.60 | 0 | 12 | 264% |
| 20 Nov 2026 | $24.00 | $0.20 | $0.00/$0.95 | 0 | 64 | 137% |
认沽
| 到期日 | 执行价 | 最新价 | 买价/卖价 | 成交量 | 未平仓合约数 | IV |
|---|---|---|---|---|---|---|
| 20 Nov 2026 | $17.00 | $0.70 | $0.60/$0.95 | 14 | 44 | 60% |
| 20 Nov 2026 | $16.00 | $0.20 | $0.15/$0.50 | 1 | 1 | 58% |
| 20 Nov 2026 | $18.00 | $0.90 | $0.70/$1.50 | 0 | 164 | 28% |
| 20 Nov 2026 | $15.00 | $0.28 | $0.00/$1.75 | 0 | 65 | 81% |
| 20 Nov 2026 | $19.00 | $1.83 | $1.45/$2.65 | 0 | 25 | 0% |
| 20 Nov 2026 | $14.00 | $0.18 | $0.00/$0.95 | 0 | 0 | 94% |
| 20 Nov 2026 | $20.00 | $2.77 | $2.00/$4.60 | 0 | 232 | 90% |
| 20 Nov 2026 | $13.00 | $0.12 | $0.00/$0.95 | 0 | 0 | 107% |
| 20 Nov 2026 | $21.00 | $3.72 | $3.10/$4.60 | 0 | 662 | 0% |
| 20 Nov 2026 | $12.00 | $0.08 | $0.00/$1.75 | 0 | 0 | 119% |
| 20 Nov 2026 | $22.00 | $4.68 | $4.10/$5.70 | 0 | 190 | 0% |
| 20 Nov 2026 | $11.00 | $0.05 | $0.00/$1.75 | 0 | 0 | 131% |
| 20 Nov 2026 | $23.00 | $5.65 | $5.90/$6.20 | 0 | 20 | 0% |
| 20 Nov 2026 | $10.00 | $0.03 | $0.00/$1.75 | 0 | 2 | 142% |
| 20 Nov 2026 | $24.00 | $6.62 | $6.00/$7.70 | 0 | 0 | 0% |
未平仓合约数=当前尚未平仓的合约数量。未平仓合约数越高，通常说明该执行价/到期日交易越活跃、进出场越容易。
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