Castle Biosciences (CSTL) Technical Analysis

As of 2026-09-11, CSTL last traded at 32.33 USD (+0.06% on the day) and is in a range on the daily timeframe — insufficient history for 200-DMA. Nearest levels: 29.03 USD support below, 35.2 USD resistance above. 14-day RSI is 51.4 (neutral).

Last updated 2026-09-11 · Source: FMP 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 close32.33 USD (+0.06%)
20-day average31.558 USD
50-day averagen/a
200-day averagen/a

Key support and resistance levels for CSTL

Derived from swing pivots over the last 37 sessions:

LevelTypeStrengthTouches
35.2 USDResistanceMinor1
LevelTypeStrengthTouches
29.03 USDSupportMinor1
23.73 USDSupportMinor1
22.46 USDSupportMinor1

CSTL 52-week range, momentum and volatility

52-week high35.2 USD (8.2% below)
52-week low19.86 USD (62.8% above)
14-day RSI51.4 (Neutral)
14-day ATR1.635 USD (5.06% of price, High volatility)

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Frequently asked questions

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

As of 2026-09-11, CSTL is in a range on the daily timeframe — insufficient history for 200-DMA. Last close 32.33 USD vs 50-day average n/a and 200-day average n/a.

What are the key support and resistance levels for CSTL?

Nearest support is around 29.03 USD (minor, 1 touch). 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 35.2 USD. It is currently 8.2% below its 52-week high.

Is CSTL overbought or oversold?

The 14-day RSI is 51.4 — in a neutral 30–70 range. Momentum reads as neutral.

How volatile is CSTL?

Its 14-day Average True Range is 1.635 (5.06% of price) — high volatility relative to price.