SNDK Options Flow Summary
Wednesday, September 9, 2026 · 3-session delayed summary
$509MCall premium
$137MPut premium
0.27Put/call premium ratio
500Sweeps detected
Sandisk (SNDK) options traded $646M in premium on Sep 9, skewed 79% to calls. Buying concentrated at the $1,400 calls expiring Jan 15, with $30.3M across 11 trades there.
Premium split
Calls $509M · 79%Puts $137M · 21%
Most active strikes
| Strike | C/P | Expiry | Total premium | Trades | Type |
|---|---|---|---|---|---|
| $1,400 | CALL | Jan 15 | $30.3M | 11 | MIXED |
| $1,600 | CALL | Sep 18 | $29.7M | 24 | BLOCKS |
| $1,300 | CALL | Sep 18 | $26.5M | 9 | MIXED |
| $1,400 | CALL | Sep 18 | $26.2M | 8 | 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
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