CSTL Option Chain
Castle Biosciences, Inc.
$32.52
-$1.68(-4.91%)
61
Overall
60
Value
66
Tech
57
Quality
Market Cap
$1.00B
Volume
981.76K
52W Range
$17.72 - $44.28
Target Price
$46.60
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 4 calls and 1 puts, a put/call volume ratio of 0.25. Open interest stands at 888 calls and 802 puts. Max pain for the nearest expiration, Nov 20, 2026, is $30.00, 7.8% below the last close of $32.54.
- Expirations
- 4
- Contracts
- 86
- Call volume
- 4
- Put volume
- 1
- Put/call ratio (volume)
- 0.25
- Call open interest
- 888
- Put open interest
- 802
- Put/call ratio (OI)
- 0.90
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 | 4 | 1 | 810 | 754 | 0.93 | $30.00 |
| Dec 18, 2026 | 0 | 0 | 5 | 4 | 0.80 | $30.00 |
| Jan 15, 2027 | 0 | 0 | 62 | 17 | 0.27 | $25.00 |
| Apr 16, 2027 | 0 | 0 | 11 | 27 | 2.45 | $30.00 |
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 | $32.52 | -4.9% | 981.76K |
| 3 | ||||
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