XBIState Street SPDR S&P Biotech ETF148.36-1.42 (-1.0%)
The open interest (OI) on the 18-Dec-26 175.00 strike increased by 27,306 call contracts and was unchanged for puts. The total OI for the expiration was increased by 54,707. View Open Interest
Unusual Option Volume
XBIState Street SPDR S&P Biotech ETF150.12+3.35 (+2.3%)
State Street SPDR S&P Biotech ETF trades 61,075 contracts.
$XBI negative imbalance of -566 K option volume delta...indicating traderes are more bearish on the stock
30-day Implied Volatility (IV30) Climbs to its Highest Mark in 6 months
XBIState Street SPDR S&P Biotech ETF153.27+3.98 (+2.7%)
The IV30 rose to 36.1, the highest level since Apr 1, 2026 when it reached 35.2. Stock Option traders are pricing in an average daily move of ±2.3%. The 52-Week historical volatility is 27.4 with an average daily move of ±1.7%. View Implied Vol