29.95 USD
↗ 0.14 (0.47%)PRE MARKET (AS OF 05:29 AM EDT)
CSGP Stock Premarket
CoStar Group Inc
CSGPNASDAQ • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
CSGP last traded at $29.95 in premarket, up $0.14 (0.47%) from its previous close of $29.81.
📅 CSGP is scheduled to report earnings on Jul 28, 2026 after the close (confirmed), with an estimated EPS of $0.29. 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 13 qualifying gap events (gaps of 5% or more at the open) — 6 gap-ups and 7 gap-downs. Gap-ups averaged +6.2%, 83% have fully filled, median time to fill 9 trading days. Gap-downs averaged -9.1%, 57% have fully filled, median time to fill 9 trading days. Most recent: a -5.2% gap down on Feb 25, 2026, still unfilled. Average 20-trading-day return after a CSGP gap up: -5.44%. After a gap down: +6.29%.
Gap Ups6 events
Fill Rate
83.3%
Avg Gap
6.2%
Avg 50% Fill
7d
Avg Fill
9d
Gap Downs7 events
Fill Rate
57.1%
Avg Gap
9.1%
Avg 50% Fill
1d
Avg Fill
9d
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% | 43% | 71% | 71% | 71% |
| fills 50% | 43% | 71% | 71% | 71% |
| fills 75% | 14% | 43% | 71% | 71% |
| fills 100% | 0% | 14% | 43% | 57% |
Complete Gap History — 13 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 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% |
| 2021-07-28 | $89.02 | -10.13% | Filled | 1d | 2d | 80% | 100% | 100% | 100% |
Frequently Asked Questions
What is CSGP's premarket price?
CoStar (CSGP) is trading at $29.95 in premarket, up $0.14 (0.47%) from the previous close of $29.81.
Why is CSGP moving in premarket?
CoStar (CSGP) is up 0.47% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest CSGP premarket headlines and gap history below for the likely catalyst.
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 57% of gap-downs have filled. Median time to fill is 9 trading days for gap-ups and 9 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 13 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 +6.29%.
When does CSGP report earnings?
CSGP is scheduled to report earnings on Jul 28, 2026 after the close (confirmed), with an estimated EPS of $0.29. CoStar Group is widely expected to report its Q2 2026 financial results on July 28, 2026, after market close, consistent with its historical reporting pattern and multiple financial calendars.