30.10 USD
PREVIOUS CLOSE
CSGP Stock Premarket
CoStar Group Inc
CSGPNASDAQ • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
📅 CSGP is expected to report earnings around Feb 23, 2027 after the close (estimated), with an estimated EPS of $0.47. CSGP earnings details →
CSGP Premarket Chart
CSGP Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, CSGP has had 16 qualifying gap events (gaps of 5% or more at the open) — 6 gap-ups and 10 gap-downs. Gap-ups averaged +6.2%, 83% have fully filled, median time to fill 9 trading days. Gap-downs averaged -8.6%, 70% have fully filled, median time to fill 4 trading days. Most recent: a -6.3% gap down on Oct 28, 2026, which filled in 4 trading days. Average 20-trading-day return after a CSGP gap up: -5.44%. After a gap down: +9.84%.
Gap Ups6 events
Fill Rate
83.3%
Avg Gap
6.2%
Avg 50% Fill
7d
Avg Fill
9d
Gap Downs10 events
Fill Rate
70.0%
Avg Gap
8.6%
Avg 50% Fill
1d
Avg Fill
4d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 50% | 50% | 67% | 67% |
| fills 50% | 33% | 33% | 50% | 67% |
| fills 75% | 33% | 33% | 50% | 67% |
| fills 100% | 33% | 33% | 50% | 50% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 60% | 80% | 80% | 80% |
| fills 50% | 50% | 80% | 80% | 80% |
| fills 75% | 20% | 60% | 80% | 80% |
| fills 100% | 10% | 40% | 60% | 70% |
Complete Gap History — 16 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 17 days ago | $32.01 | -6.28% | Filled | 4d | 4d | 34% | 100% | 100% | 100% |
| 2026-07-30 | $29.83 | -5.25% | Filled | 1d | 3d | 83% | 100% | 100% | 100% |
| 2026-07-29 | $30.33 | -14.18% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-07-14 | $28.77 | -6.15% | Filled | 1d | 2d | 57% | 100% | 100% | 100% |
| 2026-02-25 | $49.15 | -5.21% | Open | 6d | — | 20% | 65% | 95% | 95% |
| 2026-01-27 | $65.81 | +5.27% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-10-29 | $78.23 | -7.54% | Open | — | — | 3% | 3% | 3% | 3% |
| 2025-04-07 | $72.62 | +5.34% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2024-10-23 | $76.87 | -5.77% | Filled | 2d | 11d | 12% | 72% | 100% | 100% |
| 2024-04-24 | $84.62 | +9.35% | Filled | 14d | 24d | 47% | 47% | 47% | 83% |
| 2023-10-25 | $74.17 | -8.32% | Filled | 1d | 7d | 53% | 100% | 100% | 100% |
| 2023-07-26 | $91.80 | -5.41% | Open | — | — | 15% | 15% | 15% | 15% |
| 2022-10-26 | $74.50 | +5.73% | Filled | 39d | 50d | 24% | 24% | 24% | 24% |
| 2022-09-06 | $70.89 | +5.80% | Filled | 7d | 9d | 8% | 8% | 100% | 100% |
| 2022-07-27 | $60.70 | +5.44% | Open | — | — | 5% | 5% | 5% | 5% |
| 2022-02-23 | $62.94 | -21.48% | Filled | 1d | 18d | 73% | 94% | 94% | 100% |
Related: CSGP quote & chart · After hours · Technical analysis · Fundamentals · Earnings · Short interest
Frequently Asked Questions
What is CSGP's premarket price?
No premarket activity has been recorded yet for CSGP today. The previous regular-session close was $30.10.
When does CSGP premarket trading start?
Premarket trading for CSGP 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.
How often does CSGP fill its gaps?
Over the past 5 years, 83% of CSGP gap-ups have fully filled and 70% of gap-downs have filled. Median time to fill is 9 trading days for gap-ups and 4 trading days for gap-downs.
Does CSGP have any unfilled gaps?
No. CSGP has no unfilled gap events from the past 60 days; all recent gaps have been filled.
What's the average return after a CSGP gap?
Based on 16 qualifying gap events over the past 5 years, the average 20-trading-day return after a CSGP gap up is -5.44%, and after a gap down is +9.84%.
When does CSGP report earnings?
CSGP is expected to report earnings around Feb 23, 2027 after the close (estimated), with an estimated EPS of $0.47.