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Arphra AIPlain-English read on CoStar Group, Inc.’s valuationOHLC · last 20 sessions
· prices_daily$30.12
Risk stats · trailing 1Y
Volatility (ann.)39.0%
Max drawdown-68.9%
Sharpe (1Y)-2.30
Sortino (1Y)-2.53
Trailing returns
· prices_daily roll-upcomputed
1D
-1.12%
5D
-7.75%
1M
-10.89%
3M
-29.66%
6M
-52.66%
YTD
-54.15%
1Y
-62.30%
3Y
—
5Y
—
52-week range
$30.12$96.83
Current $30.120% of range · near lows
Volume · 20-session
Today 16.1MAvg 7.4M
Price chart
272 barsDB · daily · ~5yAdjusted prices · last 60d
DB · prices_daily + stock_splits + dividends| Date | Open | High | Low | Close · unadj | Close · split adj | Close · div adj | Δ adj | Volume |
|---|---|---|---|---|---|---|---|---|
| Jun 18, 2026 | 30.46 | 30.73 | 29.53 | 30.12 | 30.12 | 30.12 | 0.00% | 16,140,800 |
| Jun 17, 2026 | 31.80 | 32.56 | 30.38 | 30.46 | 30.46 | 30.46 | 0.00% | 9,729,243 |
| Jun 16, 2026 | 32.01 | 32.72 | 31.64 | 31.97 | 31.97 | 31.97 | 0.00% | 5,749,300 |
| Jun 15, 2026 | 32.68 | 34.08 | 31.91 | 32.04 | 32.04 | 32.04 | 0.00% | 6,018,636 |
| Jun 12, 2026 | 32.57 | 33.19 | 31.63 | 32.84 | 32.84 | 32.84 | 0.00% | 4,914,879 |
| Jun 11, 2026 | 33.53 | 34.06 | 32.33 | 32.65 | 32.65 | 32.65 | 0.00% | 7,751,600 |
| Jun 10, 2026 | 33.58 | 34.77 | 33.16 | 34.23 | 34.23 | 34.23 | 0.00% | 6,276,100 |
| Jun 09, 2026 | 33.05 | 34.20 | 32.85 | 33.93 | 33.93 | 33.93 | 0.00% | 6,634,971 |
| Jun 08, 2026 | 33.31 | 34.04 | 32.68 | 33.39 | 33.39 | 33.39 | 0.00% | 7,712,700 |
| Jun 05, 2026 | 33.93 | 34.27 | 33.06 | 33.89 | 33.89 | 33.89 | 0.00% | 6,998,718 |
| Jun 04, 2026 | 34.66 | 34.82 | 33.13 | 33.66 | 33.66 | 33.66 | 0.00% | 7,347,900 |
| Jun 03, 2026 | 33.51 | 33.52 | 32.05 | 33.40 | 33.40 | 33.40 | 0.00% | 9,461,300 |
| Jun 02, 2026 | 33.08 | 33.76 | 31.70 | 33.66 | 33.66 | 33.66 | 0.00% | 9,188,531 |
| Jun 01, 2026 | 32.62 | 33.88 | 32.01 | 33.86 | 33.86 | 33.86 | 0.00% | 8,038,400 |
| May 29, 2026 | 32.65 | 32.94 | 31.86 | 32.20 | 32.20 | 32.20 | 0.00% | 7,789,020 |
| May 28, 2026 | 32.24 | 32.90 | 32.00 | 32.30 | 32.30 | 32.30 | 0.00% | 6,749,441 |
| May 27, 2026 | 32.59 | 33.48 | 32.21 | 32.32 | 32.32 | 32.32 | 0.00% | 5,017,978 |
| May 26, 2026 | 33.61 | 33.71 | 32.50 | 32.52 | 32.52 | 32.52 | 0.00% | 5,969,404 |
| May 22, 2026 | 33.87 | 34.64 | 33.61 | 33.95 | 33.95 | 33.95 | 0.00% | 4,615,829 |
| May 21, 2026 | 33.65 | 34.43 | 33.03 | 33.93 | 33.93 | 33.93 | 0.00% | 5,411,021 |
| May 20, 2026 | 33.41 | 34.26 | 32.19 | 34.01 | 34.01 | 34.01 | 0.00% | 5,009,274 |
| May 19, 2026 | 33.80 | 34.85 | 33.28 | 33.80 | 33.80 | 33.80 | 0.00% | 6,596,612 |
| May 18, 2026 | 32.73 | 34.34 | 32.42 | 33.20 | 33.20 | 33.20 | 0.00% | 10,165,260 |
| May 15, 2026 | 31.92 | 33.02 | 31.92 | 32.68 | 32.68 | 32.68 | 0.00% | 37,834,033 |
| May 14, 2026 | 31.97 | 32.58 | 31.36 | 31.85 | 31.85 | 31.85 | 0.00% | 7,866,867 |
| May 13, 2026 | 32.41 | 32.88 | 31.78 | 31.97 | 31.97 | 31.97 | 0.00% | 8,482,366 |
| May 12, 2026 | 33.21 | 33.54 | 32.21 | 33.05 | 33.05 | 33.05 | 0.00% | 8,261,063 |
| May 11, 2026 | 32.45 | 33.19 | 32.09 | 32.92 | 32.92 | 32.92 | 0.00% | 8,214,738 |
| May 08, 2026 | 34.62 | 34.64 | 32.71 | 32.77 | 32.77 | 32.77 | 0.00% | 7,105,832 |
| May 07, 2026 | 34.08 | 35.59 | 33.94 | 34.98 | 34.98 | 34.98 | 0.00% | 7,712,372 |
| May 06, 2026 | 34.95 | 35.26 | 34.03 | 34.07 | 34.07 | 34.07 | 0.00% | 5,466,000 |
| May 05, 2026 | 35.23 | 35.37 | 33.82 | 34.90 | 34.90 | 34.90 | 0.00% | 5,587,221 |
| May 04, 2026 | 35.77 | 35.86 | 34.69 | 35.38 | 35.38 | 35.38 | 0.00% | 6,712,537 |
| May 01, 2026 | 35.28 | 36.09 | 34.35 | 34.72 | 34.72 | 34.72 | 0.00% | 6,367,853 |
| Apr 30, 2026 | 33.76 | 34.75 | 33.33 | 34.61 | 34.61 | 34.61 | 0.00% | 7,908,200 |
| Apr 29, 2026 | 35.65 | 36.53 | 33.32 | 34.14 | 34.14 | 34.14 | 0.00% | 15,388,135 |
| Apr 28, 2026 | 36.85 | 37.39 | 35.88 | 35.96 | 35.96 | 35.96 | 0.00% | 7,354,900 |
| Apr 27, 2026 | 36.20 | 36.98 | 36.08 | 36.24 | 36.24 | 36.24 | 0.00% | 5,669,100 |
| Apr 24, 2026 | 37.30 | 37.49 | 36.04 | 36.44 | 36.44 | 36.44 | 0.00% | 4,343,258 |
| Apr 23, 2026 | 38.48 | 38.70 | 36.56 | 37.38 | 37.38 | 37.38 | 0.00% | 6,626,643 |
Derived from
prices_daily back-adjusted by stock_splits + dividends. Δ adj = cumulative shift between raw print and dividend-adjusted close.