$164 · Aug 14 · 30Δ
$2.57 premium · 20%/yr annualized
$XBI
SS SPDR S&P BIOTECH ETF
▲ +0.23 (+0.15%)
SS SPDR S&P BIOTECH ETF
Regime balanced · no clear edge from positioning.
Each wall is the strike carrying the heaviest open interest within 15% of price, call above as resistance, put below as support, pooled across all listed expirations. It is a structural positioning level, not a single expiry pin. Max pain is tracked separately.
The Read
$XBI is in short gamma at heat 58, which means dealer hedging amplifies moves rather than dampening them. The $145 call wall and the $125 put wall are both fresh today, while spot sits 3.1% below the $132.81 flip, so the next push down runs with the trend.
Where the market is positioned
Risk-neutral, implied by options pricing. Where the market is positioned, not a forecast.
Talk to the oracle
Free. No login. Real dealer positioning on $XBI, scored over a year of outcomes.
$164 · Aug 14 · 30Δ
$2.57 premium · 20%/yr annualized
$149 · Aug 14 · 30Δ
$3.11 premium · 25%/yr annualized
Not investment advice · Informational only
Over the last 21 sessions · n=24
$150 call wall
held 1 sessions running
$155 call wall
broke 2.1% on 2026-06-29
Free alert
We DM you when the $170 call wall or the $155 put wall breaks. No noise, just the break.
Wall-break alerts arrive as a Discord DM. Pro gets them live, the instant the wall breaks.
Free alert
We DM you when the $170 call wall or the $155 put wall breaks.
…
Alert set
We'll DM you when the $170 call wall breaks. Rest easy.
Scored Levels
PROImplied vs Measured
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