IDCC: InterDigital Inc.

As of Friday, September 18th, 2026

$ 323.05

+1.11 +0.34%

Open: 323.15
High: 327.40
Low: 321.64
Volume: 55,637
Previous Close on Thursday, September 17th, 2026

$ 321.94

-6.78 -2.06%

Open: 335.09
High: 335.09
Low: 321.43
Volume: 151,711

Historical Data

Date Open High Low Close Volume Chg %Chg
2026-09-18 323.15 327.40 321.64 323.05 55,637 +1.11 +0.34
2026-09-17 335.09 335.09 321.43 321.94 151,711 -6.78 -2.06
2026-09-16 326.10 335.12 324.07 328.72 222,106 +2.64 +0.81
2026-09-15 339.27 340.09 324.97 326.08 209,452 -14.30 -4.20
2026-09-14 344.19 349.50 336.80 340.38 324,605 -9.75 -2.78
2026-09-11 351.20 355.69 344.18 350.13 221,833 +3.69 +1.07
2026-09-10 340.67 348.80 337.77 346.44 213,971 +7.10 +2.09
2026-09-09 337.24 344.40 336.68 339.34 209,023 -1.60 -0.47
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Metrics and Technicals

Period High Low Chg %Chg Max Drawdown SMA
Peak Trough %Loss
Period High Low Chg %Chg MDD SMA
5D 349.50
On 2026-09-14		 321.43
On 2026-09-17		 -27.08 -7.73 349.50
On 2026-09-14		 321.43
On 2026-09-17		 -8.03 328.03
10D 355.69
On 2026-09-11		 321.43
On 2026-09-17		 -12.86 -3.83 355.69
On 2026-09-11		 321.43
On 2026-09-17		 -9.63 335.51
20D 355.69
On 2026-09-11		 317.23
On 2026-09-01		 -18.88 -5.52 355.69
On 2026-09-11		 321.43
On 2026-09-17		 -9.63 335.94
WTD 349.50
On 2026-09-14		 321.43
On 2026-09-17		 -27.08 -7.73 349.50
On 2026-09-14		 321.43
On 2026-09-17		 -8.03 328.03
MTD 355.69
On 2026-09-11		 317.23
On 2026-09-01		 -11.98 -3.58 355.69
On 2026-09-11		 321.43
On 2026-09-17		 -9.63 333.90
As of Friday, September 18th, 2026
 
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IDCC

InterDigital Inc.

323.05 +1.11 +0.34 55,637