Ciena Corp. options tape
Read from CBOE's delayed chain on 23 September 2026, with Ciena Corp. at $368.70: open interest within 90 days was 26,088 call and 36,759 put contracts, a put/call ratio of 1.41; the day's volume was 3,139 calls and 4,583 puts (1.46). The most call open interest sits at the $400.00 strike (1,394 contracts) and the most put open interest at $240.00 (5,503). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 5.0% of spot. For 16 October 2026, implied volatility was 66.0% at the put 5% below spot and 65.3% at the call 5% above, +0.7 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $400.00 | 1,394 |
| Puts | $240.00 | 5,503 |
The strike with the most open interest on each side, across expiries within 90 days.
Open interest built since 22 September 2026
| Contract | Open interest now | Change |
|---|---|---|
| 25 September 2026 call at $375.00 | 382 | +323 |
Contracts whose open interest rose by 250 or more against the previous day's snapshot.
Source
CBOE delayed quotes for CIEN, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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