greeksoup/ stock research

Affiliated Managers Group, 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 AMG.

Updated after the US market close on 8 October 2026, with Affiliated Managers Group, Inc. at $386.99: open interest within 90 days was 1,464 call and 637 put contracts, a put/call ratio of 0.44; the day's volume was 17 calls and 18 puts (1.06). The most call open interest sits at the $390.00 strike (534 contracts) and the most put open interest at $330.00 (167). The at-the-money straddle for 16 October 2026, 7 days out, was priced at 4.1% of spot. For 20 November 2026, implied volatility was 38.4% at the put 5% below spot and 36.4% at the call 5% above, +2.0 points.

Spot$386.99+2.63% on the day
Put/call, open interest0.44637 puts, 1,464 calls
Put/call, volume1.0618 puts, 17 calls
Priced move4.1%straddle to 16 October 2026, 7 days
30-day implied volatility36.9%
Put minus call IV, 5% out+2.0 ptsto 20 November 2026

Where the open interest sits

SideStrikeOpen interest
Calls$390.00534
Puts$330.00167

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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