D45
00:12
$Roundhill Memory ETF(DRAM)$ $Roundhill Memory ETF(DRAM)$ 

DRAM ETF(Roundhill Memory)成份股與近一個月每日振幅數據

一、DRAM ETF(DRAM.US)核心成份股(最新權重)

本ETF為美股純存儲晶片主題ETF,2026年4月成立,聚焦全球DRAM/NAND記憶體龍頭,持倉高度集中,前十大權重涵蓋全球存儲產業核心廠商,整體產業代表性極高。

- SK海力士|權重 18.95%(全球DRAM龍頭)

- 三星電子|權重 13.60%(全球存儲雙巨頭之一)

- 美光科技(Micron)|合計權重 24.14%(含現股+互換合約,美系唯一存儲巨頭)

- 鎧俠(Kioxia)|權重 7.55%(原東芝存儲,NAND龍頭)

- 閃迪(SanDisk/SNDK)|權重 5.37%

核心特徵:三星、SK海力士、美光三大DRAM寡頭合計權重超過75%,走勢高度綁定全球DRAM晶片報價與AI算力需求景氣度。

二、近一個月每日振幅(2026/5/26–6/25,美股交易日)

振幅計算公式:(當日最高價-當日最低價) ÷ 當日最低價 ×100%,為短線波動、題材彈性核心指標。

交易日

全日高低區間(美元)

单日振幅

2026/05/26

57.05 – 61.32

7.48%

2026/05/27

59.05 – 62.68

6.15%

2026/05/28

59.91 – 63.64

6.23%

2026/05/29

62.16 – 64.29

3.43%

2026/06/01

65.46 – 68.76

5.04%

2026/06/02

67.05 – 70.15

4.62%

2026/06/03

67.50 – 70.02

3.73%

2026/06/04

63.18 – 67.12

6.24%

2026/06/05

55.38 – 61.17

10.45%

2026/06/08

58.95 – 61.61

4.51%

2026/06/09

55.45 – 63.63

14.75%

2026/06/10

57.07 – 61.25

7.32%

2026/06/11

59.16 – 65.15

10.12%

2026/06/12

62.90 – 66.17

5.20%

2026/06/15

68.76 – 71.18

3.52%

2026/06/16

67.60 – 72.61

7.41%

2026/06/17

69.61 – 73.14

5.07%

2026/06/18

75.00 – 77.70

3.60%

2026/06/22

79.07 – 81.34

2.87%

2026/06/23

68.59 – 73.07

6.53%

2026/06/24

67.13 – 71.79

6.94%

2026/06/25

73.50 – 79.60

8.30%

三、近一月波動總結

1. 區間振幅極大:單日最大振幅達14.75%(6/9),最小振幅2.87%(6/22),多數交易日振幅維持5%–8%,短線彈性極強,屬高波動題材ETF。

2. 波動驅動核心:AI算力擴張帶動DRAM晶片缺貨、報價上漲,疊加蘋果硬體漲價、下游消費電子毛利受壓,資金持續往上游存儲晶片集中,帶動DRAM ETF反覆輪動拉升。

3. 最新催化(6/25):蘋果股價重挫當日,DRAM ETF逆势大振幅上行,完美體現「下游利空、上游獲利」的產業利潤轉移格局。

DRAM
07-02 00:10
USRoundhill Memory ETF
SidePrice | FilledRealized P&L
Buy
Open
66.90
155
-3.06%
Holding
Roundhill Memory ETF
Modified in.25 minutes ago
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