Unusual Options Activity
CSIQ Unusual Options Activity - Canadian Solar - Common Shares
- Last active day
- September 18, 2026
- Active days (30d)
- 6
- Biggest recent print
- Put $15.0000 · $278K
AI summary
On September 18, 2026, Canadian Solar Inc. (CSIQ) saw notable options activity with two prints recorded. Both transactions involved put options, with a total put premium of $519,202. The top prints included a put option with a strike price of $15.00, expiring on the same date, which had a premium of $277,932 and a volume to open interest ratio of 1.5. Additionally, a put option with a strike price of $14.00, also expiring on September 18, 2026, was traded for a premium of $241,270, sharing the same volume to open interest ratio of 1.5. Over the past 30 days, CSIQ has experienced active options trading on six days. The absence of call premiums in today's activity highlights a focus on bearish sentiment among traders.
AI-generated summary
CSIQ was last active on September 18, 2026.
Prints on September 18, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| CSIQ | Put | $15.0000 | 09/18/26 (1d) | 1.5× | $278K | 225% | |
| CSIQ | Put | $14.0000 | 09/18/26 (1d) | 1.5× | $241K | 231% |
History
- 2026-09-182 prints$0K calls$519K puts
- 2026-09-172 prints$0K calls$519K puts
- 2026-09-091 prints$0K calls$307K puts
- 2026-09-081 prints$0K calls$307K puts
- 2026-08-211 prints$106K calls$0K puts
- 2026-08-201 prints$106K calls$0K puts
- 2026-08-182 prints$32K calls$58K puts
- 2026-08-174 prints$267K calls$58K puts
- 2026-08-142 prints$234K calls$0K puts
- 2026-08-131 prints$0K calls$27K puts
- 2026-08-121 prints$0K calls$27K puts
- 2026-08-071 prints$110K calls$0K puts
- 2026-08-061 prints$0K calls$31K puts
- 2026-08-052 prints$0K calls$94K puts
- 2026-08-041 prints$0K calls$64K puts
- 2026-08-031 prints$0K calls$60K puts
- 2026-07-311 prints$0K calls$60K puts
- 2026-07-281 prints$163K calls$0K puts
- 2026-07-271 prints$163K calls$0K puts
- 2026-07-241 prints$134K calls$0K puts
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