All charts and data below are CPI-U inflation-adjusted and with dividends reinvested. (Why?)

Total Real Returns

IDCC: Total Real Return Chart (Dividends Reinvested, Inflation Adjusted)

IDCC real return snapshot: after CPI-U inflation, IDCC returned +29.31% over the past year and +4.91% YTD, with dividends reinvested. Since Nov. 12, 1981, IDCC is up +3,826.70% in real purchasing-power return, or +8.54%/yr, and is currently −15.67% below its real total-return high on Nov. 3, 2025.

Data ending Fri Aug. 21, 2026

Growth of $10,000

Thu 1981-11-12💬 to Fri 2026-08-21 Overall
Return 		Exponential
Trendline
IDCC × 		+3,826.70%
+8.54%/yr 		+5.76%/yr
R2=0.641
InterDigital Inc NASDAQ Common Stock

Growth of $10,000 Summary

Thu 1981-11-12💬 to Fri 2026-08-21 Start
Value 		End
Value
IDCC × 		$10,000.00
1981-11-12 		$392,669.52
2026-08-21

This Year’s Performance

through 2026-08-21

  YTD YoY
IDCC × 		+4.91% +29.31%

Drawdowns

  Current
Drawdown 		Worst
Drawdown
IDCC × 		−15.67%
on 2026-08-21
from 2025-11-03 peak 		−94.04%
on 2000-12-21
from 1999-12-31 peak

Rolling Returns

Period ending Fri 2026-08-21 1 yr 2 yr 3 yr 5 yr 10 yr
IDCC × 		+29.31% +140.48%
+55.07%/yr 		+302.78%
+59.11%/yr 		+333.22%
+34.07%/yr 		+327.85%
+15.65%/yr

Annual Returns

Year IDCC
2026 (YTD) +4.91%
2025 +61.72%
2024 +75.99%
2023 +116.43%
2022 −33.55%
2021 +12.56%
2020 +12.76%
2019 −17.98%
2018 −12.89%
2017 −17.09%
2016 +85.34%
2015 −6.56%
2014 +80.85%
2013 −28.76%
2012 −2.96%
2011 +2.75%
2010 +54.47%
2009 −5.98%
2008 +17.77%
2007 −33.20%
2006 +78.64%
2005 −19.85%
2004 +3.90%
2003 +38.87%
2002 +46.62%
2001 +76.68%
2000 −93.03%
1999 +1,500.88%
1998 +46.61%
1997 −49.28%
1996 −22.08%
1995 −2.48%
1994 +36.82%
1993 −44.76%
1992 +53.01%
1991 +42.51%
1990 −35.84%
1989 −35.84%
1988 +0.06%
1987 −40.60%
1986 +66.92%
1985 +16.34%
1984 −22.75%
1983 −32.35%
1982 +293.63%
1981 −11.99%