Castle Biosciences (CSTL) Technical Analysis

As of 2026-10-26, CSTL last traded at 33.3 USD (+0.67% on the day) and is in a range on the daily timeframe — insufficient history for 200-DMA. Nearest levels: 31.555 USD support below, 35.2 USD resistance above. 14-day RSI is 49.7 (neutral).

Last updated 2026-10-26 · Source: end-of-day prices (adjusted); indicators computed by SniperIQ

Is CSTL in an uptrend or downtrend?

Castle Biosciences is in a range — insufficient history for 200-DMA.

Last close33.3 USD (+0.67%)
20-day average33.807 USD
50-day average33.531 USD
200-day averagen/a

Key support and resistance levels for CSTL

Derived from swing pivots over the last 69 sessions:

LevelTypeStrengthTouches
35.2 USDResistanceMinor1
36.85 USDResistanceMinor1
37.99 USDResistanceMinor1
LevelTypeStrengthTouches
31.555 USDSupportModerate2
29.03 USDSupportMinor1
23.73 USDSupportMinor1

CSTL 52-week range, momentum and volatility

52-week high37.99 USD (12.3% below)
52-week low19.86 USD (67.7% above)
14-day RSI49.7 (Neutral)
14-day ATR1.365 USD (4.1% of price, High volatility)

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Frequently asked questions

Is Castle Biosciences (CSTL) in an uptrend or downtrend?

As of 2026-10-26, CSTL is in a range on the daily timeframe — insufficient history for 200-DMA. Last close 33.3 USD vs 50-day average 33.531 USD and 200-day average n/a.

What are the key support and resistance levels for CSTL?

Nearest support is around 31.555 USD (moderate, 2 touches). Nearest resistance is around 35.2 USD (minor). Levels are derived from swing pivots over the last ~200 sessions.

What is CSTL's 52-week high and low?

Over the last 52 weeks, CSTL traded between 19.86 USD and 37.99 USD. It is currently 12.3% below its 52-week high.

Is CSTL overbought or oversold?

The 14-day RSI is 49.7 — in a neutral 30–70 range. Momentum reads as neutral.

How volatile is CSTL?

Its 14-day Average True Range is 1.365 (4.1% of price) — high volatility relative to price.