Aon PLC Class A Ordinary Shares (Ireland) (AON) options traded 261 contracts on October 29, 2026 (150 calls and 111 puts, a put/call ratio of 0.74), compared with a 30-day average of 752. Options price a move of about ±1.7% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 26.0%
Implied move by the nearest expiration: ±1.7%
Option volume: 261 contracts (150 calls, 111 puts); 30-day average 752

Data as of October 29, 2026.

AON Option Breakdown

A breakdown of key statistics for each option expiration listed for AON. View implied volatility, volatility skew, volume, open interest, straddle premiums, and liquidity -- including bid/ask spread and NBBO bid/ask sizes. Includes links to the option chain, as well as numerous detailed charts.

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