United Microelectronics (New) (UMC) options traded 658 contracts on November 13, 2026 (450 calls and 208 puts, a put/call ratio of 0.46), compared with a 30-day average of 17,268. Options price a move of about ±3.9% by the nearest expiration.

Key numbers

30-day implied volatility (IV30): 54.7%
Implied move by the nearest expiration: ±3.9%
Option volume: 658 contracts (450 calls, 208 puts); 30-day average 17,268

Data as of November 13, 2026.

UMC Option Breakdown

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