TSM Options Flow Summary
Wednesday, September 9, 2026 · 3-session delayed summary
$12MCall premium
$14.7MPut premium
1.22Put/call premium ratio
50Sweeps detected
Taiwan Semiconductor Manufacturing (TSM) options traded $26.7M in premium on Sep 9, skewed 55% to puts. Buying concentrated at the $420 puts expiring Dec 18, with $4M across 5 trades there, mostly in blocks.
Premium split
Calls $12M · 45%Puts $14.7M · 55%
Most active strikes
| Strike | C/P | Expiry | Total premium | Trades | Type |
|---|---|---|---|---|---|
| $420 | PUT | Dec 18 | $4M | 5 | BLOCKS |
| $500 | CALL | Feb 19 | $2.6M | 9 | MOSTLY SWEPT |
| $240 | CALL | Dec 18 | $1.7M | 4 | BLOCKS |
| $350 | PUT | Dec 18 | $1.3M | 1 | MIXED |
| $█,███ | 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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