33.80
price up icon2.08%   0.69
after-market After Hours: 33.80
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Castle Biosciences Inc Stock (CSTL) Option Chain

For the October 16, 2026 expiration date, the CSTL stock option chain has a total of 0 contracts, with 0 call options and 0 put options. This indicates a leaning towards calls, suggesting bullish sentiment.
Other Key Expiration Dates:
  • November 20, 2026 : 0 contracts.
  • December 18, 2026 : 0 contracts.
  • January 15, 2027 : 0 contracts.
  • April 16, 2027 : 0 contracts.

Castle Biosciences Inc (CSTL) Most Active Options & Calendar

CSTL Call Options Expiring October 16, 2026

Strike Price Change % Change Volume
favorite 5.00 0.00 0.00 - -
favorite 7.50 0.00 0.00 - -
favorite 10.00 0.00 0.00 - -
favorite 12.50 0.00 0.00 - -
favorite 15.00 9.30 0.00 - -
favorite 17.50 4.90 0.00 - -
favorite 20.00 3.67 0.00 - -

CSTL Put Options Expiring October 16, 2026

Strike Price Change % Change Volume
favorite
5.00
0.00 0.00 - -
favorite
7.50
0.00 0.00 - -
favorite
10.00
0.00 0.00 - -
favorite
12.50
0.00 0.00 - -
favorite
15.00
0.20 0.00 - -
favorite
17.50
0.00 0.00 - -
favorite
20.00
0.11 0.00 - -

Castle Biosciences Inc Stock (CSTL) Option Chain Analysis

Put Volume Total 0
Call Volume Total 0
Put/Call Ratio (PCR) N/A
Put Strike With Highest Volume $5.00
Call Strike With Highest Volume $5.00
OPK OPK
$1.61
price up icon 17.52%
$12.29
price up icon 0.78%
$21.34
price up icon 1.57%
$4.35
price up icon 4.82%
$15.93
price up icon 0.19%
$24.71
price up icon 3.00%
Cap:     |  Volume (24h):