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Castle Biosciences CSTL 32.52 -1.68 -4.91%

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ATM IV
0.66
Put Call Ratio (OI)
0.903
Put Call Ratio (Vol)
18
IV Rank
36.4
IV Percentile
44.9
Max pain
30

Delta exposure (2026-11-06)

Delta approximates how many cents the option moves for a $1 move in the underlying.

A 0.50 call gains ~$0.50 if the stock goes up $1. Delta also approximates the option's probability of finishing in the money.

DTE \text{DTE}
14.0
161.0
| Δ | |\Delta|
0.00
1.00
Moneyness Moneyness
-30.3
30.3
View values by strike
CSTL · Delta exposure · 2026-11-06. Delta-weighted share equivalents.
StrikeCallsPuts
2.50 200 0
5.00 200 0
12.50 0 -8.67
15.00 194 -17.8
17.50 0 -12.2
20.00 0 -45.5
22.50 96.4 -91.7
25.00 345 -209
30.00 221 -16.7 K
35.00 1.57 K -168
40.00 12.3 K -127
45.00 348 0