10-Day:
56.20%1-Month:
41.65%3-Month:
45.47%1-Year:
46.99%Summary
- As of today, ICLR stock 10-day historical volatility is 56.20%, with the most recent change of -1.57% (-2.72%) on November 3, 2025.
 
Performance
ICLR Volatility Chart
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Range
ICLR Volatility Trends
| PeriodPeriod | 10-Day Volatility10-Day Volatility | 1-Month Volatility1-Month Volatility | 3-Month Volatility3-Month Volatility | 1-Year Volatility1-Year Volatility | 
|---|---|---|---|---|
| 1D1 Day | -2.7% | -20.7% | +0.0% | +0.1% | 
| 1M1 Month | -13.4% | - | - | - | 
| 3M3 Months | -55.7% | - | - | - | 
| 6M6 Months | +40.2% | - | - | - | 
| YTDYTD | +280.2% | - | - | - | 
| 1Y1 Year | -47.8% | - | - | - | 
| 5Y5 Years | +75.1% | - | - | - | 
ICLR Volatility Highs & Lows
| PeriodPeriod | HighHigh | Current vs Highvs High | LowLow | Current vs Lowvs Low | |
|---|---|---|---|---|---|
| 1M | 1-Month | 66.44% | -15.4% | 20.80% | +170.2% | 
| 3M | 3-Month | 126.90% | -55.7% | 20.80% | +170.2% | 
| 6M | 6-Month | 127.42% | -55.9% | 20.80% | +170.2% | 
| 1Y | 1-Year | 127.42% | -55.9% | 14.78% | +280.2% | 
| 3Y | 3-Year | 127.42% | -55.9% | 6.82% | +724.0% | 
| 5Y | 5-Year | 127.42% | -55.9% | 6.68% | +741.3% | 
| All-Time | All-Time | 275.16% | -79.6% | 5.29% | +962.4% | 
ICLR Volatility History
| Date | Value | 
|---|---|
| 2025 | 56.20%(+280.2%)  | 
| 2024 | 14.78%(-12.5%)  | 
| 2023 | 16.90%(-40.7%)  | 
| 2022 | 28.49%(-21.3%)  | 
| 2021 | 36.22%(+298.9%)  | 
| 2020 | 9.08%(-29.3%)  | 
| 2019 | 12.84%(-72.0%)  | 
| 2018 | 45.78%(+184.2%)  | 
| 2017 | 16.11%(-28.3%)  | 
| 2016 | 22.48%(+44.5%)  | 
| 2015 | 15.56%(-23.6%)  | 
| 2014 | 20.37%(+10.8%)  | 
| 2013 | 18.38%(+37.7%)  | 
| 2012 | 13.35%(-54.7%)  | 
| Date | Value | 
|---|---|
| 2011 | 29.47%(+66.0%)  | 
| 2010 | 17.75%(-29.3%)  | 
| 2009 | 25.12%(-68.5%)  | 
| 2008 | 79.80%(+41.2%)  | 
| 2007 | 56.52%(+371.8%)  | 
| 2006 | 11.98%(-55.8%)  | 
| 2005 | 27.13%(+76.1%)  | 
| 2004 | 15.41%(-43.2%)  | 
| 2003 | 27.11%(-0.5%)  | 
| 2002 | 27.25%(-25.0%)  | 
| 2001 | 36.31%(+1.2%)  | 
| 2000 | 35.88%(-63.9%)  | 
| 1999 | 99.42%(+73.1%)  | 
| 1998 | 57.44%  | 
FAQ
- What is ICON Public Limited Company 10-day historical volatility?
 - What is the all-time high 10-day volatility for ICON Public Limited Company?
 - What is ICLR 10-day historical volatility year-to-date change?
 - What is ICON Public Limited Company 10-day volatility year-on-year change?
 
What is ICON Public Limited Company 10-day historical volatility?
The current 10-day volatility of ICLR is 56.20%
What is the all-time high 10-day volatility for ICON Public Limited Company?
ICON Public Limited Company all-time high 10-day historical volatility is 275.16%
What is ICLR 10-day historical volatility year-to-date change?
ICON Public Limited Company 10-day historical volatility has changed by +41.42% (+280.24%) since the beginning of the year
What is ICON Public Limited Company 10-day volatility year-on-year change?
Over the past year, ICLR 10-day historical volatility has changed by -51.44% (-47.79%)