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Castle Biosciences Inc Stock (CSTL) Option Chain

For the February 20, 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:
  • March 20, 2026 : 0 contracts.
  • April 17, 2026 : 0 contracts.
  • July 17, 2026 : 0 contracts.

Castle Biosciences Inc (CSTL) Most Active Options & Calendar

CSTL Call Options Expiring February 20, 2026

Strike Price Change % Change Volume
favorite 20.00 0.00 0.00 - -
favorite 22.50 0.00 0.00 - -
favorite 25.00 0.00 0.00 - -
favorite 30.00 0.00 0.00 - -
favorite 35.00 0.00 0.00 - -
favorite 40.00 1.25 0.00 - -
favorite 45.00 1.35 0.00 - -

CSTL Put Options Expiring February 20, 2026

Strike Price Change % Change Volume
favorite
20.00
0.00 0.00 - -
favorite
22.50
0.00 0.00 - -
favorite
25.00
0.00 0.00 - -
favorite
30.00
0.00 0.00 - -
favorite
35.00
0.00 0.00 - -
favorite
40.00
1.70 0.00 - -
favorite
45.00
0.00 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 $20.00
Call Strike With Highest Volume $20.00
diagnostics_research DGX
$208.06
price up icon 0.61%
diagnostics_research LH
$280.50
price up icon 1.03%
diagnostics_research MTD
$1,371.99
price up icon 1.08%
diagnostics_research IQV
$171.16
price up icon 1.74%
$208.43
price up icon 0.20%
diagnostics_research WAT
$320.82
price up icon 0.16%
Cap:     |  Volume (24h):