SPDR S&P Biotech ETF (XBI) Range-Bound Price Structure, Support and Resistance

XBI market structure, key levels, and derivatives interpreted from closed daily data, and explaining its behavior relative to the broader crypto market.

As of 2026-08-30 | Symbol XBI | Last closed price 162.5
Last closed price
162.5
Closed daily candle only, no live price.
365 day range
143.85 to 170.55
Based on the last 365 closed daily candles.
Key levels (55D)
143.85 / 170.55
Support is lower, resistance is upper.

Price Position and Structural State

SPDR S&P Biotech ETF (XBI) closed at 162.5 USDT on August 30, 2026, down 0.83%. The asset now sits in a sideways structure near the top of its 55-day range. Current 55-day support is near 143.85 USDT, with resistance near 170.55 USDT. A daily close above 170.55 USDT would confirm an upside regime shift. A rejection near resistance would keep price inside the range.

Moving Averages and Trend Context

XBI is trading below short-term moving averages while still holding above longer-term support. MA20 at 162.555 USDT may cap short-term recovery attempts, while MA50 at 156.764 USDT remains the more significant structural support area. The structure resembles a pullback within a broader trend more than a full trend failure.

Trading Friction and Price Efficiency

XBI shows moderate trading friction, with a 3-day friction score of 45.5. The score combines price progress, wick rejection, and volume confirmation. Recent candles show mixed acceptance, so price is moving but still showing some noise. Moves near support or resistance need a cleaner daily close before they carry stronger weight.

Open Interest, Funding, and Positioning

Open interest data is limited for this asset, so the leverage range cannot be judged reliably yet. This makes futures participation harder to compare with recent history.

Funding is near neutral across the 24-hour and 7-day averages, at 0.000000% and 0.000000%. This shows limited cost pressure on either side, so funding is not giving a strong directional signal right now.

The long/short ratio is 1.54, showing more long accounts than short accounts. It sits near the middle of its 60-day range, so this is a long tilt without clear historical crowding.

Correlation, Beta, and Index Relationship

XBI shows a moderate relationship with the broader crypto market (Sigloid Index). Correlation indicates partial co-movement with the index, while R² suggests that index behavior explains only part of its movement. This means broader market direction has some influence, but asset-specific factors remain important. Over the 30-day window, the relationship is weakening.

Correlation, Beta, and R² by Window
Relationship metrics compare this asset with the Sigloid Index across closed daily data windows.
WindowCorrelationBetaRead
30D0.4150.2790.172Moderate linkage
60DNot enough data
180DNot enough data

Momentum, Volatility, and Indicator Pressure

XBI's volatility profile is controlled rather than stretched. ATR% reads 2.78, near the lower side of its full historical range. Bollinger Band width% reads 10.38, near the middle of its full historical range. 20-day Volume Z-score is -0.99. Range expansion is not leading the setup right now.

ROC14 is +4.08%, while RSI is 49.20 and MACD histogram remains negative. Multi-day acceleration has improved, but the broader momentum picture is still incomplete.

The read is still incomplete: momentum is improving, but volatility or participation has not confirmed the move strongly enough.

Broader Market Regime

The Sigloid Index remains in a bullish regime, showing broad strength across the market. XBI has a moderate link to that market condition, so market strength can still influence price behavior, while asset specific factors also matter.

Key Levels for the Next State Change

For XBI, the next structural shift depends on range boundaries. A daily close above 55-day resistance at unavailable establishes a bullish regime, while a daily close below 55-day support at unavailable confirms a bearish regime.

SPDR S&P Biotech ETF (XBI) Historical Chart and Market Context

Sigloid historical research chart

This chart gives a historical research view of the asset, including daily price, ATR%, Bollinger Band width%, distance from moving averages, historical open interest, funding, historical long/short ratio, and rolling correlation, beta, and R² versus market benchmarks.

Chart Description

The SPDR S&P Biotech ETF (XBI) chart includes historical daily price data, RSI, MACD, moving averages, distance from key moving averages, ATR%, Bollinger Band width%, volume, open interest, funding, and long/short positioning. It also adds structural and statistical context, including 55-day price range position and historical range positioning for ATR%, Bollinger Band width%, open interest, and long/short ratio across 30-day, 60-day, 90-day, 180-day, and full-history windows. In addition, it provides multi-timeframe rolling correlation, beta, and R² versus the Sigloid Index, Bitcoin, and Ethereum, helping evaluate trend structure, volatility conditions, derivatives positioning, and broader market relationships in a single research view.

Data notes

Data source: Binance futures market data. Indicators use closed daily candles only.

Disclaimer: Research context only. Not financial advice. No prediction. Crypto markets are risky.

Research FAQ

Frequently Asked Questions

Short answers based on closed daily structure, volatility, derivatives, and Bitcoin relationship data.

What is the current market structure for XBI?+

XBI is currently in a sideways structure based on closed daily data. Price remains inside the 55-day range, so Sigloid treats the structure as unresolved.

What are the key support and resistance levels for XBI?+

XBI's nearest support is MA50 near 156.764 USDT, while nearest resistance is MA20 near 162.555 USDT. These levels come from nearest daily moving average below price and nearest daily moving average above price.

What would change the current XBI structure?+

A daily close above 55-day resistance near unavailable would support a bullish shift. A daily close below 55-day support near unavailable would support a bearish shift.

What do momentum and volatility show for XBI?+

XBI's momentum is mixed. RSI reads 49.20, ROC14 is +4.08%, while ATR% and Bollinger Band width% show the current volatility backdrop.

What do open interest and long/short positioning show for XBI?+

Open interest and positioning show balanced participation. OI changed unavailable over one day, while the long/short ratio reads 1.54.

How correlated is XBI with Bitcoin?+

XBI currently shows moderate linkage with Bitcoin on the 30-day window. Correlation is 0.40, beta is 0.33, and R² is 0.16.

Is Sigloid's XBI analysis based on live price?+

No. Sigloid's daily XBI analysis uses closed daily market data, not live intraday price. Live structure changes are tracked separately on the Live Events page.