NYSE · ARM

Arm Holdings plc American Depositary Shares

Technology · Semiconductors

$210.10

Down-$16.49 (-7.28%)

Updated Oct 23, 2026, 4:41 AM

SID Score

5.5/10

Composite research score

Smart Money

45/100

Neutral

Market cap: 135.35B
P/E ratio: 168.98
Dividend yield: 0.00%
52-week range: $100.02 – $452.70
Volume: 5.75M
Avg. volume: 5.76M

Price performance · ARM

ARM price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Oct 22, 2026

Last close: $210.10
Period change: -31.42%
Period low: $210.10
Period high: $310.32

Daily close

View OHLC price history

ARM OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 22, 2026	$217.13	$217.9736	$208.30	$210.10	5.75M
Oct 21, 2026	$225.015	$228.95	$219.50	$226.59	3.28M
Oct 20, 2026	$224.66	$227.19	$217.26	$221.06	5.23M
Oct 19, 2026	$236.59	$236.59	$227.16	$228.05	4.11M
Oct 16, 2026	$239.10	$239.42	$226.65	$227.80	4.79M
Oct 15, 2026	$228.87	$245.87	$226.54	$244.79	6.59M
Oct 14, 2026	$248.00	$250.1999	$237.52	$238.01	6.64M
Oct 13, 2026	$245.32	$260.15	$243.6006	$255.39	6.78M
Oct 12, 2026	$260.30	$263.24	$253.34	$255.24	3.6M
Oct 9, 2026	$280.00	$281.4999	$265.60	$266.28	4.27M
Oct 8, 2026	$286.73	$286.73	$270.26	$275.29	6.2M
Oct 7, 2026	$291.11	$300.60	$290.50	$294.37	3.42M
Oct 6, 2026	$307.59	$308.50	$301.07	$302.56	3.4M
Oct 5, 2026	$308.03	$311.00	$299.80	$302.90	2.91M
Oct 2, 2026	$306.775	$318.3623	$303.12	$307.49	5.9M
Oct 1, 2026	$294.18	$297.14	$287.5001	$292.34	3.28M
Sep 30, 2026	$294.00	$295.99	$283.50	$289.66	4.17M
Sep 29, 2026	$291.005	$301.00	$287.0601	$293.67	6.02M
Sep 28, 2026	$305.83	$307.17	$279.20	$283.33	9.1M
Sep 25, 2026	$318.50	$325.48	$310.08	$310.32	7M
Sep 24, 2026	$319.23	$326.00	$303.65	$306.34	9.56M

Latest ARM news

The latest Smart Investors Daily articles mentioning ARM.

institutionalAug 20, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Initiates New Position in Arm Holdings plc American Depositary Shares (ARM)

institutionalAug 4, 2026

Walleye Trading LLC Reduces Holdings in Arm Holdings plc American Depositary Shares (ARM)

analystJul 31, 2026

Rosenblatt Reiterates Buy Rating on Arm Holdings plc American Depositary Shares (ARM)

Latest ARM news

The latest Smart Investors Daily articles mentioning ARM.

ARM research

Options

Calls, puts, unusual flow, and dark-pool activity.

ARM call options for 2026-10-23
Strike	Last	Bid	Ask	Volume	Open interest	IV	Delta
$140.00	$0.00	$85.05	$88.75	0	0	3.13%	0.99
$145.00	$78.00	$80.10	$83.75	1	8

ARM unusual options activity
Detected	Type	Strike	Expiration	Premium	Volume	Open interest
Oct 20, 2026	call	$350.00	Mar 19, 2027	303.05K	436	727
Oct 1, 2026	put

Strike

Last

Bid

Ask

Volume

Open interest

Delta

$140.00

$0.05

$0.00

$4.30

4.61%

-0.06

$145.00

$0.06

$0.00

$2.52

3.83%

-0.04

$150.00

$0.10

$0.00

$0.12

2.23%

-0

$155.00

$0.16

$0.00

$0.25

359

2.26%

-0.01

$160.00

$0.02

$0.01

$0.05

432

1.77%

-0

$165.00

$0.04

$0.00

$0.53

2.15%

-0.02

$170.00

$0.04

$0.00

$1.07

115

2.23%

-0.03

$175.00

$0.04

$0.00

$0.53

1.80%

-0.02

$180.00

$0.02

$0.00

$0.03

547

1.13%

-0

$185.00

$0.04

$0.00

$0.12

254

1.18%

-0.01

$190.00

$0.05

$0.01

$0.09

414

1.02%

-0.01

$195.00

$0.09

$0.05

$0.15

861

97.09%

-0.02

$197.50

$0.17

$0.00

$0.42

134

106

1.02%

-0.03

$200.00

$0.19

$0.11

$0.29

108

1.28K

92.92%

-0.03

$202.50

$0.41

$0.15

$0.36

174

133

89.18%

-0.04

$205.00

$0.34

$0.24

$0.43

476

85.87%

-0.05

$207.50

$0.43

$0.46

$0.55

168

85.29%

-0.08

$210.00

$0.66

$0.64

$0.79

145

732

83.80%

-0.1

$212.50

$0.98

$0.90

$1.11

291

82.50%

-0.14

$215.00

$1.38

$1.31

$1.52

169

655

81.77%

-0.18

$217.50

$1.92

$1.85

$2.10

251

380

81.55%

-0.24

$220.00

$2.72

$2.62

$2.83

1.05K

647

82.02%

-0.3

$222.50

$3.25

$3.80

226

360

80.54%

-0.37

$225.00

$4.55

$4.20

$4.90

173

507

79.91%

-0.44

$227.50

$5.51

$5.35

$6.25

314

889

79.89%

-0.51

$230.00

$7.20

$6.85

$7.65

795

80.12%

-0.59

$232.50

$9.55

$8.25

$9.30

176

78.74%

-0.66

$235.00

$10.50

$10.10

$11.15

757

79.98%

-0.72

$237.50

$13.15

$12.10

$13.15

81.59%

-0.77

$240.00

$13.98

$13.75

$15.55

869

81.36%

-0.82

$242.50

$17.50

$16.05

$18.15

108

89.26%

-0.84

$245.00

$19.90

$17.30

$20.10

324

68.73%

-0.94

$247.50

$23.10

$19.10

$23.20

72.94%

-0.95

$250.00

$23.32

$21.95

$25.25

413

76.33%

-0.96

$252.50

$29.00

$24.00

$27.15

61.21%

-0.99

$255.00

$28.70

$26.70

$29.60

197

95.01%

-0.95

$257.50

$31.13

$29.40

$31.85

265

96.61%

-0.96

$260.00

$33.09

$31.95

$34.95

204

83.21%

-0.99

$262.50

$36.55

$35.50

$36.70

1.06%

-0.97

$265.00

$37.27

$37.80

$39.20

243

1.01%

-0.98

$267.50

$40.74

$38.65

$42.40

114

89.03%

-1

$270.00

$47.13

$42.40

$44.20

2.40%

-0.81

$272.50

$47.10

$45.10

$46.65

1.79%

-0.91

$275.00

$49.62

$46.70

$49.85

107

1.86%

-0.91

$277.50

$57.68

$48.85

$52.55

1.06%

-1

$280.00

$56.74

$51.15

$54.20

2.61%

-0.84

$282.50

$61.24

$53.85

$57.55

1.14%

-1

$285.00

$0.00

$56.10

$59.15

1.19%

-1

$287.50

$65.20

$58.85

$62.50

1.23%

-1

$290.00

$67.80

$61.55

$64.15

1.26%

-1

$292.50

$0.00

$63.85

$67.50

1.30%

-1

$295.00

$0.00

$66.35

$70.00

1.34%

-1

$297.50

$0.00

$68.85

$72.50

1.38%

-1

$300.00

$0.00

$71.10

$74.15

1.42%

-1

$302.50

$0.00

$73.60

$76.65

1.46%

-1

$305.00

$0.00

$76.35

$80.00

1.49%

-1

$307.50

$0.00

$78.85

$82.50

1.53%

-1

$310.00

$0.00

$81.10

$84.20

1.57%

-1

$312.50

$88.60

$83.85

$87.50

1.60%

-1

$315.00

$91.09

$86.35

$90.00

1.64%

-1

$317.50

$94.63

$88.85

$92.50

1.67%

-1

$320.00

$0.00

$91.10

$94.15

1.71%

-1

$322.50

$98.80

$93.85

$97.50

1.74%

-1

$325.00

$101.28

$96.35

$100.00

1.78%

-1

$327.50

$0.00

$98.85

$102.50

1.81%

-1

$330.00

$0.00

$101.35

$105.00

1.84%

-1

$332.50

$0.00

$103.85

$107.50

1.88%

-1

$335.00

$0.00

$106.35

$110.00

1.91%

-1

$337.50

$116.76

$108.85

$112.50

1.94%

-1

$340.00

$119.24

$111.35

$115.00

1.97%

-1

$345.00

$121.24

$116.35

$120.00

2.04%

-1

$350.00

$126.23

$121.35

$125.00

2.10%

-1

$355.00

$0.00

$126.35

$130.00

2.16%

-1

$360.00

$0.00

$131.35

$135.00

2.22%

-1

$365.00

$0.00

$136.35

$140.00

2.28%

-1

$370.00

$143.66

$141.35

$145.00

2.98%

-0.98

$375.00

$148.65

$146.35

$150.00

3.04%

-0.98

$380.00

$153.98

$151.35

$155.00

3.47%

-0.97

$385.00

$158.68

$156.35

$160.00

302

3.21%

-0.98

$390.00

$163.67

$161.35

$165.00

306

3.27%

-0.98

$395.00

$168.87

$166.35

$170.00

3.58%

-0.98

$400.00

$173.88

$171.35

$175.00

3.65%

-0.98

$410.00

$0.00

$181.35

$185.00

2.78%

-1

$420.00

$0.00

$191.35

$195.00

2.88%

-1

$430.00

$0.00

$201.35

$205.00

2.98%

-1

$440.00

$0.00

$211.35

$215.00

3.08%

-1

$450.00

$0.00

$221.35

$225.00

3.17%

-1

$460.00

$0.00

$231.35

$235.00

3.27%

-1

$470.00

$0.00

$241.35

$245.00

3.36%

-1

$480.00

$0.00

$251.35

$255.00

3.45%

-1

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Initiates New Position in Arm Holdings plc American Depositary Shares (ARM)

Walleye Trading LLC Reduces Holdings in Arm Holdings plc American Depositary Shares (ARM)

Rosenblatt Reiterates Buy Rating on Arm Holdings plc American Depositary Shares (ARM)

Featured By

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Initiates New Position in Arm Holdings plc American Depositary Shares (ARM)

Walleye Trading LLC Reduces Holdings in Arm Holdings plc American Depositary Shares (ARM)

Rosenblatt Reiterates Buy Rating on Arm Holdings plc American Depositary Shares (ARM)