greeksoup/ stock research

Staar Surgical Co. options tape

These figures are updated after the US market closes, every trading day. For the live chain, go to CBOE's own page for STAA.

Updated after the US market close on 9 October 2026, with Staar Surgical Co. at $21.96: open interest within 90 days was 4,241 call and 2,240 put contracts, a put/call ratio of 0.53; the day's volume was 64 calls and 2 puts (0.03). The most call open interest sits at the $25.00 strike (949 contracts) and the most put open interest at $12.50 (719). The at-the-money straddle for 16 October 2026, 4 days out, was priced at 7.6% of spot. For 20 November 2026, implied volatility was 66.2% at the put 5% below spot and 57.1% at the call 5% above, +9.1 points.

Spot$21.96+0.09% on the day
Put/call, open interest0.532,240 puts, 4,241 calls
Put/call, volume0.032 puts, 64 calls
Priced move7.6%straddle to 16 October 2026, 4 days
30-day implied volatility55.7%
Put minus call IV, 5% out+9.1 ptsto 20 November 2026

Where the open interest sits

SideStrikeOpen interest
Calls$25.00949
Puts$12.50719

The strike with the most open interest on each side, across expiries within 90 days.

Source

Official exchange quotes, updated after each US market close. Figures describe positioning; they are not a forecast.

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