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Amentum Holdings, Inc.

AMTM
交易所
NYSE
產業
Services-Business Services, NEC
SEC CIK
0002011286

近 90 天,Amentum Holdings, Inc. 沒有內部人公開市場買賣的申報;2026 年第 2 季末有 465 家機構在 13F 申報持有,市值合計 $43.4 億;大師中只有索羅斯基金管理持有。

四種放空資料,量的東西都不一樣:

  • 空單餘額:某個結算日還沒回補的放空股數。FINRA 每月公布兩次,在結算日後約 8 個工作天。
  • 每日放空量:每天在場外成交、申報給 FINRA 的放空股數。算的是成交,不是未平倉的部位;隔天公布。
  • 交割失敗:到了交割日還沒交付的股數。SEC 每月公布兩次,晚約 2 週。
  • 暗池(ATS)成交量:每週在另類交易系統與其他場外市場的成交量。FINRA 在那一週之後 2~4 週公布。

更多說明見術語頁。

空單餘額

還沒回補的放空股數,取自 FINRA,近兩年的每一個結算日。

空單餘額
1,405 萬
股,結算日 2026/10/30
變化
+138.4 萬
較 2026/10/15 +10.9%
回補天數
7.22
空單餘額 ÷ 平均日成交量
平均日成交量
194.6 萬
股,FINRA 公布的
各結算日的空單餘額
2024/10/31:2,658,229 股2024/11/15:2,264,664 股2024/11/29:3,342,397 股2024/12/13:4,512,889 股2024/12/31:7,108,058 股2025/1/15:8,397,191 股2025/1/31:8,190,515 股2025/2/14:8,965,362 股2025/2/28:9,578,485 股2025/3/14:8,869,603 股2025/3/31:9,879,663 股2025/4/15:8,975,648 股2025/4/30:8,766,489 股2025/5/15:8,526,543 股2025/5/30:9,021,099 股2025/6/13:9,968,475 股2025/6/30:8,707,396 股2025/7/15:9,170,999 股2025/7/31:7,431,510 股2025/8/15:8,110,353 股2025/8/29:9,263,705 股2025/9/15:8,548,141 股2025/9/30:9,562,783 股2025/10/15:9,431,953 股2025/10/31:9,745,819 股2025/11/14:7,519,724 股2025/11/28:9,555,161 股2025/12/15:7,000,683 股2025/12/31:7,043,142 股2026/1/15:8,306,755 股2026/1/30:8,360,229 股2026/2/13:9,028,792 股2026/2/27:9,780,372 股2026/3/13:10,860,074 股2026/3/31:11,373,750 股2026/4/15:11,750,088 股2026/4/30:13,853,120 股2026/5/15:13,878,459 股2026/5/29:13,844,021 股2026/6/15:13,599,381 股2026/6/30:13,742,445 股2026/7/15:13,453,698 股2026/7/31:12,385,682 股2026/8/14:10,651,434 股2026/8/31:12,095,846 股2026/9/15:12,229,137 股2026/9/30:12,329,527 股2026/10/15:12,665,271 股2026/10/30:14,048,894 股
AMTM 各結算日的空單餘額
結算日空單餘額變化變化 %平均日成交量回補天數
2026/10/301,405 萬+138.4 萬+10.9%194.6 萬7.22
2026/10/151,267 萬+33.6 萬+2.7%179.8 萬7.04
2026/9/301,233 萬+10.0 萬+0.8%181.7 萬6.79
2026/9/151,223 萬+13.3 萬+1.1%166.7 萬7.34
2026/8/311,210 萬+144.4 萬+13.6%252.0 萬4.80
2026/8/141,065 萬−173.4 萬−14.0%253.7 萬4.20
2026/7/311,239 萬−106.8 萬−7.9%175.2 萬7.07
2026/7/151,345 萬−28.9 萬−2.1%191.3 萬7.03
2026/6/301,374 萬+14.3 萬+1.1%224.9 萬6.11
2026/6/151,360 萬−24.5 萬−1.8%169.8 萬8.01
2026/5/291,384 萬−3.44 萬−0.3%219.6 萬6.30
2026/5/151,388 萬+2.53 萬+0.2%260.6 萬5.32
2026/4/301,385 萬+210.3 萬+17.9%161.7 萬8.57
2026/4/151,175 萬+37.6 萬+3.3%168.0 萬7.00
2026/3/311,137 萬+51.4 萬+4.7%180.4 萬6.30
2026/3/131,086 萬+108.0 萬+11.0%199.0 萬5.46
2026/2/27978.0 萬+75.2 萬+8.3%177.1 萬5.52
2026/2/13902.9 萬+66.9 萬+8.0%341.4 萬2.64
2026/1/30836.0 萬+5.35 萬+0.6%181.9 萬4.60
2026/1/15830.7 萬+126.4 萬+17.9%198.4 萬4.19
2025/12/31704.3 萬+4.25 萬+0.6%155.3 萬4.53
2025/12/15700.1 萬−255.4 萬−26.7%255.5 萬2.74
2025/11/28955.5 萬+203.5 萬+27.1%441.8 萬2.16
2025/11/14752.0 萬−222.6 萬−22.8%126.0 萬5.97
2025/10/31974.6 萬+31.4 萬+3.3%121.7 萬8.01
2025/10/15943.2 萬−13.1 萬−1.4%184.9 萬5.10
2025/9/30956.3 萬+101.5 萬+11.9%202.1 萬4.73
2025/9/15854.8 萬−71.6 萬−7.7%140.1 萬6.10
2025/8/29926.4 萬+115.3 萬+14.2%124.6 萬7.44
2025/8/15811.0 萬+67.9 萬+9.1%169.1 萬4.80
2025/7/31743.2 萬−173.9 萬−19.0%162.3 萬4.58
2025/7/15917.1 萬+46.4 萬+5.3%139.1 萬6.59
2025/6/30870.7 萬−126.1 萬−12.7%211.6 萬4.11
2025/6/13996.8 萬+94.7 萬+10.5%314.5 萬3.17
2025/5/30902.1 萬+49.5 萬+5.8%220.9 萬4.08
2025/5/15852.7 萬−24.0 萬−2.7%207.5 萬4.11
2025/4/30876.6 萬−20.9 萬−2.3%207.8 萬4.22
2025/4/15897.6 萬−90.4 萬−9.2%284.6 萬3.15
2025/3/31988.0 萬+101.0 萬+11.4%263.9 萬3.74
2025/3/14887.0 萬−70.9 萬−7.4%343.9 萬2.58
2025/2/28957.8 萬+61.3 萬+6.8%190.4 萬5.03
2025/2/14896.5 萬+77.5 萬+9.5%221.7 萬4.04
2025/1/31819.1 萬−20.7 萬−2.5%206.5 萬3.97
2025/1/15839.7 萬+128.9 萬+18.1%264.9 萬3.17
2024/12/31710.8 萬+259.5 萬+57.5%654.4 萬1.09
2024/12/13451.3 萬+117.0 萬+35.0%173.6 萬2.60
2024/11/29334.2 萬+107.8 萬+47.6%204.3 萬1.64
2024/11/15226.5 萬−39.4 萬−14.8%142.0 萬1.59
2024/10/31265.8 萬−23.1 萬−8.0%167.9 萬1.58

交割失敗

到了交割日還沒交付的股數,取自 SEC,最近 30 個有交割失敗的日子。價格是 SEC 公布的前一天收盤價。

AMTM 各交割日的交割失敗
交割日股數價格金額
2026/10/939,960$18.97$75.8 萬
2026/10/816$18.51$296.16
2026/9/2337$19.70$728.9
2026/9/218,154$19.60$16.0 萬
2026/9/17106$19.88$2,107.28
2026/9/1189$19.56$1,740.84
2026/9/96$20.14$120.84
2026/9/8147$20.06$2,948.82
2026/9/1398$19.99$7,956.02
2026/8/263,688$20.26$7.47 萬
2026/8/2049,601$21.03$104.3 萬
2026/8/13166$22.52$3,738.32
2026/7/31609$21.73$1.32 萬
2026/7/274,553$22.55$10.3 萬
2026/7/1712$20.77$249.24
2026/7/14904$20.43$1.85 萬
2026/7/1042$21.30$894.6
2026/7/71,526$22.25$3.40 萬
2026/7/23,045$20.20$6.15 萬
2026/6/251,157$20.38$2.36 萬
2026/6/22753$21.66$1.63 萬
2026/6/1766$22.16$1,462.56
2026/6/169,711$22.42$21.8 萬
2026/6/124,847$22.08$10.7 萬
2026/6/1179$22.00$1,738
2026/6/101,533$22.51$3.45 萬
2026/6/9194$22.61$4,386.34
2026/6/22,372$24.07$5.71 萬
2026/5/27421,828$22.91$966.4 萬
2026/5/19971$23.29$2.26 萬

每日放空量

場外成交裡的放空量,不是空單餘額:每天申報給 FINRA 的場外成交中放空的股數,最近 30 個交易日。

放空量比例不能當成市場情緒:造市商為了接買單、避險本來就會放空,放空通常就佔場外成交量的一半上下。

AMTM 各交易日的場外放空量
交易日放空量豁免放空量場外總成交量放空量比例
2026/11/10462,70730827,67455.9%
2026/11/9203,388515445,22245.7%
2026/11/6158,359605357,92544.2%
2026/11/5246,736475707,24634.9%
2026/11/4238,8820898,18426.6%
2026/11/3184,2461,582576,17532.0%
2026/11/2197,60711,049,85118.8%
2026/10/30227,88101,031,29922.1%
2026/10/29308,3000756,52040.8%
2026/10/28287,9860608,90047.3%
2026/10/27266,33128849,05031.4%
2026/10/26339,6611,410681,44149.8%
2026/10/23500,4070795,87662.9%
2026/10/22461,9266,990847,65954.5%
2026/10/21381,9810645,36059.2%
2026/10/20318,7530571,84755.7%
2026/10/19254,3660372,88968.2%
2026/10/16413,1970673,01261.4%
2026/10/15247,343157415,14759.6%
2026/10/14172,6991,203336,85651.3%
2026/10/13196,7540327,03760.2%
2026/10/12209,5000385,88354.3%
2026/10/9252,9692550,53845.9%
2026/10/8507,92501,061,26547.9%
2026/10/7345,8560441,43078.3%
2026/10/6291,83250516,31956.5%
2026/10/5336,3310617,09054.5%
2026/10/2532,08301,092,42948.7%
2026/10/1378,8940612,26361.9%
2026/9/30227,9805532,48742.8%

暗池(ATS)成交量

每週在另類交易系統(ATS)與其他場外市場(OTC)的成交量,取自 FINRA,最近 12 週。ATS 佔比 = ATS 成交量 ÷(ATS + OTC 成交量),不是佔全市場成交量。

AMTM 每週的 ATS 與場外成交量
週(起日)層級ATS 股數ATS 筆數其他場外股數其他場外筆數ATS 佔比
2026/10/19T12,374,77341,6161,050,37112,89069.3%
2026/10/12T11,519,70030,1681,380,15414,09452.4%
2026/10/5T12,112,39239,0001,362,14617,63560.8%
2026/9/28T12,461,74346,1041,821,22526,13057.5%
2026/9/21T11,582,60134,0271,471,27211,99451.8%
2026/9/14T11,807,78241,3381,477,73615,40055.0%
2026/9/7T11,378,61831,4961,167,29310,20654.2%
2026/8/31T12,040,48644,2791,121,42514,16364.5%
2026/8/24T12,486,60843,6361,755,37212,33358.6%
2026/8/17T15,689,11980,2602,007,29216,94373.9%
2026/8/10T14,871,85072,9292,568,43716,65865.5%
2026/8/3T12,232,76849,823919,38013,63170.8%