Synopsys Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Synopsys Inc. at $410.81: open interest within 90 days was 27,057 call and 26,206 put contracts, a put/call ratio of 0.97; the day's volume was 2,050 calls and 1,839 puts (0.9). The most call open interest sits at the $400.00 strike (3,431 contracts) and the most put open interest at $350.00 (3,653). The at-the-money straddle for 25 September 2026, 2 days out, was priced at 3.5% of spot. For 16 October 2026, implied volatility was 43.9% at the put 5% below spot and 45.1% at the call 5% above, -1.3 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $400.00 | 3,431 |
| Puts | $350.00 | 3,653 |
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 |
|---|---|---|---|
| 2 October 2026 call at $480.00 | 444 | 24 | $27,750 |
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.
Source
CBOE delayed quotes for SNPS, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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