MRK Options Flow Summary
Oct 29, 2026 · 3-session delay
$4MCall premium
$992KPut premium
0.25Put/call premium ratio
3Sweeps detected
Merck (MRK) options traded $4.9M in premium on Oct 29, skewed 80% to calls. Buying concentrated at the $185 calls expiring Mar 19, with $2.2M across 1 trades there.
Premium split
Calls $4M · 80%Puts $992K · 20%
Most active strikes
| Strike | C/P | Expiry | Total premium | Trades | Type |
|---|---|---|---|---|---|
| $185 | CALL | Mar 19 | $2.2M | 1 | MIXED |
| $141 | PUT | Nov 20 | $992K | 4 | MOSTLY SWEPT |
| $125 | CALL | Jan 21 | $493K | 3 | BLOCKS |
| $165 | CALL | Nov 20 | $330K | 1 | 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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