CSTL Option Chain
Castle Biosciences, Inc.
$31.96
-$1.84(-5.44%)
55
Overall
60
Value
50
Tech
57
Quality
Market Cap
$976.36M
Volume
381.93K
52W Range
$17.72 - $44.28
Target Price
$45.11
Castle Biosciences, Inc. (CSTL) Options Chain Summary
CSTL option chain: Castle Biosciences, Inc. has 4 listed option expirations and 86 contracts. In the latest session, traders exchanged 42 calls and 0 puts, a put/call volume ratio of 0.00. Open interest stands at 72 calls and 43 puts. Max pain for the nearest expiration, Nov 20, 2026, is $17.50, 45.3% below the last close of $31.99.
- Expirations
- 4
- Contracts
- 86
- Call volume
- 42
- Put volume
- 0
- Put/call ratio (volume)
- 0.00
- Call open interest
- 72
- Put open interest
- 43
- Put/call ratio (OI)
- 0.60
CSTL 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 | 41 | 0 | 4 | 0 | 0.00 | $17.50 |
| Dec 18, 2026 | 0 | 0 | 0 | 0 | N/A | N/A |
| Jan 15, 2027 | 1 | 0 | 62 | 17 | 0.27 | $25.00 |
| Apr 16, 2027 | 0 | 0 | 6 | 26 | 4.33 | $35.00 |
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 | CSTL | $31.96 | -5.4% | 381.93K |
| 3 | ||||
| 4 | ||||
| 5 | ||||
| 6 |
Get Castle Biosciences, Inc. Data in Excel
Stream real-time data directly to your spreadsheets
BUY NOW