Castle Biosciences Inc. (CSTL)
NASDAQ: CSTL
· Real-Time Price · USD
22.51
-0.24 (-1.05%)
At close: Sep 12, 2025, 10:04 AM
CSTL Delta Exposure By Expiry
The total Delta Exposure (DEX) for CSTL across all expirations shows 15,922.48 net shares that market makers must hedge, with 16,914.22 from calls and 991.74 from puts. The put-call delta ratio of 0.06 shows bullish positioning with call dominance, potentially providing upward momentum but leaving the market vulnerable to sharp pullbacks.
CSTL DEX Table
| Expiry Date | Call Delta | Put Delta | Net Delta | P/C Delta |
|---|---|---|---|---|
| Sep 19, 25 | 3,770.8 | -165.01 | 3,605.79 | 0.04 |
| Oct 17, 25 | 7,712.66 | -701.92 | 7,010.74 | 0.09 |
| Dec 19, 25 | 0 | 0 | 0 | n/a |
| Jan 16, 26 | 1,159.83 | -72.49 | 1,087.34 | 0.06 |
| Apr 17, 26 | 4,270.93 | -52.32 | 4,218.61 | 0.01 |