CSGP Option Chain
CoStar Group, Inc.
$30.55
-$1.50(-4.68%)
45
Overall
40
Value
50
Tech
47
Quality
Market Cap
$12.29B
Volume
7.69M
52W Range
$25.89 - $70.57
Target Price
$34.95
CoStar Group, Inc. (CSGP) Options Chain Summary
CSGP option chain: CoStar Group, Inc. has 10 listed option expirations and 574 contracts. In the latest session, traders exchanged 285 calls and 230 puts, a put/call volume ratio of 0.81. Open interest stands at 52,507 calls and 25,515 puts. Max pain for the nearest expiration, Nov 20, 2026, is $30.00, 1.9% below the last close of $30.58.
- Expirations
- 10
- Contracts
- 574
- Call volume
- 285
- Put volume
- 230
- Put/call ratio (volume)
- 0.81
- Call open interest
- 52,507
- Put open interest
- 25,515
- Put/call ratio (OI)
- 0.49
CSGP Options Volume, Open Interest and Max Pain by Expiration
| Expiration | Call Volume | Put Volume | Call OI | Put OI | Put/Call OI | Max Pain |
|---|---|---|---|---|---|---|
| Nov 20, 2026 | 72 | 63 | 1,551 | 3,415 | 2.20 | $30.00 |
| Dec 18, 2026 | 17 | 105 | 10,349 | 10,623 | 1.03 | $30.00 |
| Jan 15, 2027 | 25 | 19 | 12,985 | 4,232 | 0.33 | $32.00 |
| Mar 19, 2027 | 0 | 5 | 8,613 | 2,636 | 0.31 | $35.00 |
| Apr 16, 2027 | 0 | 0 | 815 | 1,468 | 1.80 | $35.00 |
| Jun 17, 2027 | 70 | 8 | 212 | 1,137 | 5.36 | $33.00 |
| Sep 17, 2027 | 0 | 10 | 189 | 144 | 0.76 | $30.00 |
| Dec 17, 2027 | 0 | 0 | 0 | 1 | N/A | $37.00 |
| Jan 21, 2028 | 101 | 0 | 15,311 | 1,724 | 0.11 | $30.00 |
| Jan 19, 2029 | 0 | 20 | 2,482 | 135 | 0.05 | $15.00 |
End-of-day options data. Max pain is the expiration price at which open calls and puts would pay out the least in total.
| A | B | C | D | |
|---|---|---|---|---|
| 1 | Symbol | Price | Change | Vol |
| 2 | CSGP | $30.55 | -4.7% | 7.69M |
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