Unusual Options Activity
TSM Unusual Options Activity - Taiwan Semiconductor Manufacturing
- Last active day
- September 14, 2026
- Active days (30d)
- 20
- Biggest recent print
- Put $310.0000 · $1.9M
AI summary
On September 11, 2026, Taiwan Semiconductor Manufacturing Company Ltd. (TSM) experienced notable options activity with a total of nine prints. The overall call premium reached approximately $1.95 million, while put premiums totaled around $3.82 million, indicating a heavier interest in puts relative to calls. The most significant print was a put option with a strike of $375, expiring on October 23, 2026, which accounted for a premium of about $1.22 million and had a volume-to-open interest ratio of 14.2. Another substantial print was a put option at a $310 strike, expiring on September 17, 2027, with a premium of approximately $1.89 million and a volume-to-open interest ratio of 4.5. Among call options, the highest premium was for a call at a $437.50 strike, expiring on September 18, 2026, with a premium of around $691,524 and a volume-to-open interest ratio of 1.6. The activity reflects a diverse range of strikes and expirations, with a notable emphasis on put options.
AI-generated summary
Prints on September 14, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| TSM | Call | $447.5000 | 09/18/26 (6d) | 7.5× | $205K | 31% | |
| TSM | Put | $310.0000 | 09/17/27 (370d) | 4.5× | $1.9M | 40% | |
| TSM | Call | $432.5000 | 09/18/26 (6d) | 3.7× | $896K | 31% | |
| TSM | Put | $397.5000 | 09/18/26 (6d) | 2.4× | $28K | 39% | |
| TSM | Put | $432.5000 | 09/18/26 (6d) | 1.8× | $384K | 34% | |
| TSM | Call | $437.5000 | 09/18/26 (6d) | 1.6× | $692K | 31% |
History
- 2026-09-146 prints$1.8M calls$2.3M puts
- 2026-09-119 prints$1.9M calls$3.8M puts
- 2026-09-106 prints$1.0M calls$3.9M puts
- 2026-09-099 prints$2.8M calls$6.2M puts
- 2026-09-087 prints$1.9M calls$3.9M puts
- 2026-09-0415 prints$8.8M calls$393K puts
- 2026-09-0315 prints$9.5M calls$9.6M puts
- 2026-09-029 prints$2.1M calls$11.9M puts
- 2026-09-016 prints$558K calls$2.5M puts
- 2026-08-317 prints$2.6M calls$150K puts
- 2026-08-2819 prints$71.0M calls$7.6M puts
- 2026-08-2714 prints$68.3M calls$7.3M puts
- 2026-08-264 prints$1.9M calls$569K puts
- 2026-08-256 prints$1.8M calls$1.4M puts
- 2026-08-246 prints$1.6M calls$1.9M puts
- 2026-08-217 prints$0K calls$12.1M puts
- 2026-08-2011 prints$2.0M calls$45.2M puts
- 2026-08-1918 prints$4.3M calls$40.5M puts
- 2026-08-1818 prints$3.2M calls$8.3M puts
- 2026-08-1710 prints$11.4M calls$1.5M puts
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