Premarket trading runs 4:00 AM – 9:30 AM ET.
Over the past 5 years, ICLR has had 2 qualifying gap events (gaps of 5% or more at the open) — 1 gap-up and 1 gap-down. Gap-ups averaged +13.4%, 0% have fully filled. Gap-downs averaged -6.9%, 100% have fully filled, median time to fill 5 trading days. Most recent: a +13.4% gap up on Apr 29, 2026, still unfilled. ICLR has 1 unfilled gap from the past 60 days — a +13.4% gap up on Apr 29, 2026, currently 54% retraced. Average 20-trading-day return after a ICLR gap up: +17.68%. After a gap down: +8.44%.
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 100% | 100% | 100% | 100% |
| fills 50% | 0% | 100% | 100% | 100% |
| fills 75% | 0% | 0% | 0% | 0% |
| fills 100% | 0% | 0% | 0% | 0% |
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 100% | 100% | 100% | 100% |
| fills 50% | 0% | 100% | 100% | 100% |
| fills 75% | 0% | 100% | 100% | 100% |
| fills 100% | 0% | 100% | 100% | 100% |
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2026-04-29 | $102.49 | +13.43% | Open | 4d | — | 43% | 54% | 54% | 54% |
| 2026-04-23 | $115.43 | -6.87% | Filled | 5d | 5d | 33% | 100% | 100% | 100% |
No premarket activity has been recorded yet for ICLR today. The previous regular-session close was $152.80.
Premarket trading for ICLR on the NASDAQ runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.
Over the past 5 years, 0% of ICLR gap-ups have fully filled and 100% of gap-downs have filled. Median time to fill is 5 trading days for gap-downs.
Yes. ICLR has 1 unfilled gap from the past 60 days. The largest is a +13.4% gap up from Apr 29, 2026 and is currently 54% retraced.
Based on 2 qualifying gap events over the past 5 years, the average 20-trading-day return after a ICLR gap up is +17.68%, and after a gap down is +8.44%.