SPDR S&P Biotech ETF (XBI) Price Forecast: Long-Term Breakout Fuels Biotech Strength

Long-Term Breakout Reinforces Bullish Structure

State Street SPDR S&P Biotech ETF (XBI) seeks to track the S&P Biotechnology Select Industry Index, which is a modified equal-weight index. XBI broke out of a 44-month bottoming consolidation pattern with conviction in October, extending gains to a high of $139.19 by April. That advance completed a 61.8% Fibonacci retracement of the prior decline at $131.62. Since June 2025, XBI has posted 11 consecutive months of positive performance, with only one monthly close failing to exceed the prior month’s close. The persistence of that advance reflects sustained accumulation following the long-term breakout and supports the case for a continuing bullish trend.

Bullish Trend Structure Holds Firm

XBI remains in a clear bullish trend, following an April breakout from a three-month consolidation range and continuing to show signs of strengthening price behavior since then. Following the April high XBI pulled back and established a higher swing low at $127.76 in late April on a successful test of support near the 50-day moving average and the 50% retracement zone of the prior upswing. The 50-day average is now at $128.73 and rising.

The successful test of support at the 50-day average marked the first pullback to that indicator since it was reclaimed at the end of March and the first meaningful retracement following the mid-April breakout to new trend highs. Subsequent price action has continued to reflect constructive bullish behavior, reinforcing the potential for continuation of the broader uptrend.

Weekly Reversal Signals Renewed Momentum

This week, XBI triggered a one-week bullish reversal on a rally above $135.86 and established a higher weekly high and higher weekly low. Although the breakout confirmed with a daily close above that high, it did not confirm on a weekly basis. Nonetheless, last week’s low confirmed support near the 10-week moving average. That low of $127.76 is now key support that needs to continue to hold for XBI to remain positioned for further strengthening.

Fibonacci Levels Point to Higher Targets

Since XBI previously recognized resistance around the 61.8% Fibonacci retracement zone, a breakout above that level points to the 78.6% Fibonacci retracement at $150.61 as an initial potential upside target. A measured move projection derived from the multi-month bottoming formation indicates a potential longer-term target near $165.45, when calculated using a percentage change. If reached, that objective would further validate the significance of the original 44-month breakout structure and the persistent bullish momentum that has followed since October.