Today's OI Read — XBI
Where the walls are, where price sits, and what the dealer positioning implies for Biotech ETF
Outside the dominant wall range — directional momentum more likely than mean reversion.
Near or below average — wall levels carry typical structural weight.
Below 0.8 — call OI dominates. Bullish positioning; dealers are short calls and will sell delta into rallies.
The highest OI concentration strike — the structural anchor dealers are most committed to hedging.
Price is below the dominant wall — acts as resistance.
Call-heavy at the dominant wall — call sellers cap rallies toward it. Acts as resistance.
Today's Top Setup — XBI
SQUEEZE, PIN, and CAGE scored 0–100 from OI structure. Highest score = today's highest-conviction setup.
Strength scores are locked
PROSee exactly which setup is most likely — and by how much
Top OI Walls
Largest open interest concentrations · sorted by strike price
| Rank | Strike | Call OI | Put OI | Total OI | P/C | % of Max |
|---|---|---|---|---|---|---|
| #2 | $140 Resistance | 1,396 | 0 | 1,396 | 0.00 |
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| #4 | $136 Resistance | 549 | 124 | 673 | 0.23 |
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| #1 | $135 Resistance | 1,629 | 444 | 2,073 | 0.27 |
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| #3 | $132 Resistance | 276 | 528 | 804 | 1.91 |
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▶ $127.76
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| #5 | $127 Support | 160 | 267 | 427 | 1.67 |
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SQUEEZE / PIN / CAGE Setup Backtest — XBI
Last 50 sessions — which setup fired, what the score was, and whether it hit. See the actual win/loss record.