Atossa Therapeutics (ATOS) options traded 35 contracts on October 21, 2026 (24 calls and 11 puts, a put/call ratio of 0.46), compared with a 30-day average of 55. Options price a move of about ±6.3% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 88.8%
Implied move by the nearest expiration: ±6.3%
Option volume: 35 contracts (24 calls, 11 puts); 30-day average 55

Data as of October 21, 2026.

ATOS Option Breakdown

A breakdown of key statistics for each option expiration listed for ATOS. 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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