ALNY Options Flow Summary
Oct 29, 2026 · 3-session delay
$8.7MCall premium
$164KPut premium
0.02Put/call premium ratio
3Sweeps detected
Alnylam Pharmaceuticals (ALNY) options traded $8.9M in premium on Oct 29, skewed 98% to calls. Buying concentrated at the $160 calls expiring Jan 15, with $3.8M across 21 trades there, mostly in blocks.
Premium split
Calls $8.7M · 98%Puts $164K · 2%
Most active strikes
| Strike | C/P | Expiry | Total premium | Trades | Type |
|---|---|---|---|---|---|
| $160 | CALL | Jan 15 | $3.8M | 21 | BLOCKS |
| $150 | CALL | Dec 17 | $1.9M | 2 | BLOCKS |
| $220 | CALL | Jan 15 | $1.6M | 2 | BLOCKS |
| $200 | CALL | Jun 17 | $754K | 5 | BLOCKS |
| $█,███ | CALL | ██/██ | $█.█M | █ | ████ |
How to read this: sweeps split an order across multiple exchanges for immediate fills (urgency); blocks are single large negotiated trades (size). Premium skew shows where conviction concentrated, not guaranteed direction. Learn how options flow works
What these terms mean: Options sweep·Block trade·Volume to open interest ratio
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