First Solar, Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with First Solar, Inc. at $200.52: open interest within 90 days was 68,293 call and 46,314 put contracts, a put/call ratio of 0.68; the day's volume was 5,597 calls and 4,699 puts (0.84). The most call open interest sits at the $220.00 strike (8,697 contracts) and the most put open interest at $180.00 (5,889). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 3.6% of spot. For 16 October 2026, implied volatility was 48.0% at the put 5% below spot and 48.0% at the call 5% above, +0.0 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $220.00 | 8,697 |
| Puts | $180.00 | 5,889 |
The strike with the most open interest on each side, across expiries within 90 days.
Strikes where the day's volume was at least twice the open interest
| Contract | Volume | Open interest before | Premium traded |
|---|---|---|---|
| 16 October 2026 put at $207.50 | 217 | 0 | $291,323 |
| 25 September 2026 put at $202.50 | 536 | 53 | $239,860 |
| 16 October 2026 call at $212.50 | 307 | 9 | $171,152 |
| 25 September 2026 call at $202.50 | 344 | 159 | $95,976 |
Volume of at least 200 contracts and at least twice the open interest, with at least $25,000 of premium at the mid; contracts expiring the same day are left out. Premium is mid price times volume times 100.
Open interest built since 22 September 2026
| Contract | Open interest now | Change |
|---|---|---|
| 25 September 2026 call at $215.00 | 545 | +435 |
| 25 September 2026 call at $220.00 | 633 | +328 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for FSLR, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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