Question 1

What is the Castle Biosciences Inc (CSTL) Whisper Index score?

Accepted Answer

CSTL currently has a Whisper Index score of 50.0 out of 100, indicating Active Discussion sentiment based on 1 tracked mentions across Reddit and social platforms.

Question 2

What does the CSTL Whisper Index measure?

Accepted Answer

The StonkWhisper Whisper Index for CSTL aggregates retail sentiment from Reddit (WallStreetBets, r/stocks, r/investing), StockTwits, and other social sources into a single 0-100 score. A score above 55 is bullish, below 45 is bearish.

Question 3

Is there unusual options activity on CSTL?

Accepted Answer

StonkWhisper tracks dark pool prints, unusual options flow, and congressional trades for CSTL in real time. Visit stonkwhisper.com/intel/ticker/CSTL for live intelligence.

Question 4

Are any Congress members trading CSTL?

Accepted Answer

Congressional trade disclosures for CSTL are tracked under the STOCK Act. View all congressional activity at stonkwhisper.com/congress/CSTL.

Question 5

What is the CSTL stock sentiment on Reddit right now?

Accepted Answer

Based on 1 recent mentions, CSTL (Castle Biosciences Inc) sentiment on Reddit and social platforms is currently Active Discussion with a Whisper Index of 50.0/100.

Month	MSPR	Net Shares	Direction
2026-08	-100.00	-67,825	Selling
2026-07	-100.00	-50,057	Selling
2026-06	-100.00	-22,595	Selling
2026-05	-100.00	-14,008	Selling
2026-04	-100.00	-14,008	Selling
2026-03	-100.00	-139,643	Selling

CSTL (Castle Biosciences Inc) Sentiment Analysis — Whisper Index 50.0

Sentiment Chart

Source Breakdown

Fundamentals Snapshot

Insider Activity (MSPR)