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Stock Trend Analysis Report

Prepared for you on Saturday, February 21, 2026.

Castle Biosciences, Inc. - Common stock (NASDAQ:CSTL)

Weak Downtrend (-65) - CSTL is showing signs of a strengthening downtrend. Monitor CSTL as it may be building momentum to the downside.

Is it time to buy, sell, or avoid CSTL?

MarketClub looks at technical strength and momentum to determine if the timing is right for CSTL.

Learn more about the Trade Triangles and how we make technical analysis as easy as buy and sell.

NASDAQ_CSTL
Open High Low CSTL Price Change
31.61 31.61 29.10 29.19 -2.15
Entry Signal

MarketClub’s Trade Triangles for CSTL

long term up The long-term trend has been UP since Aug 5th, 2025 at 20.63

intermediate term down The intermediate-term trend has been DOWN since Feb 4th, 2026 at 38.20

short term down The short-term trend has been DOWN since Feb 19th, 2026 at 31.84

Smart Scan Analysis for CSTL

Based on our trend formula, CSTL is rated as a -70 on a scale from -100 (Strong Downtrend) to +100 (Strong Uptrend).

-70
Smart Scan Analysis for CSTL
Strong Downtrend Sideways Strong Uptrend
Open High Low Price Change
31.61 31.61 29.10 29.19 -2.15
Prev. Close Volume Bid Ask Time
29.21 498133 2026-02-20 15:59:46
52wk High44.2852wk High Date2026-01-26
52wk Low14.5952wk Low Date2025-08-04
Average Volume420,197Shares Outstanding29,189
Market Cap384MAssets562,786,000M
Liabilities95,740,000M
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