greeksoup/ stock research

Duolingo, Inc. 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 DUOL.

Updated after the US market close on 8 October 2026, with Duolingo, Inc. at $152.00: open interest within 90 days was 11,816 call and 8,260 put contracts, a put/call ratio of 0.7; the day's volume was 1,151 calls and 935 puts (0.81). The most call open interest sits at the $150.00 strike (1,429 contracts) and the most put open interest at $120.00 (1,049). The at-the-money straddle for 16 October 2026, 7 days out, was priced at 5.7% of spot. For 30 October 2026, implied volatility was 48.5% at the put 5% below spot and 50.2% at the call 5% above, -1.6 points.

Spot$152.00-0.33% on the day
Put/call, open interest0.78,260 puts, 11,816 calls
Put/call, volume0.81935 puts, 1,151 calls
Priced move5.7%straddle to 16 October 2026, 7 days
30-day implied volatility74.4%
Put minus call IV, 5% out-1.6 ptsto 30 October 2026

Where the open interest sits

SideStrikeOpen interest
Calls$150.001,429
Puts$120.001,049

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

Open-interest builds against the session before appear from the second update of this name.

Source

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

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