XB
XBI
SPDR S&P BIOTECH ETF
$157.60
1M +0.5%
3M +17.8%
YTD +29.7%
as of 2026-09-14
+Watchlist
↑↓ next ticker
· ⌘+↑↓ or scroll to zoom
· ←→ pan · 0 reset
▲ buy
▼ sell · size ≈ trade size
· ─ moving averages ·
click the buttons above to hide them
Model view — historical tendencies for the days ahead, not a forecast
Seasonality
Weak window historically
Next 30 days (to Oct 15): -4.1% median,
26% of the last 19 years finished up.
20-year seasonality chart →
Mean reversion
Neutral — RSI(2) at 50
RSI(2) under 15 is oversold (this name has historically bounced); over 85 is overbought.
Its dip-buy edge in history is -0.03%/day.
Mean-reversion stats →
1-month breakdown —
Market · β 1.04 -0.5% · Seasonal tilt -1.5%
$1.4B/day volume
28% volatility
+65% 1-year
-10% from ATH
52-week range · 84% of the way up · -7% from the high
$92.64$169.89
Data from the U.S. House Clerk and FINRA, plus end-of-day prices. Not investment advice.