United Microelectronics (NEW) (UMC) Options Chain

NYSE: UMCTechnologySemiconductorsUSD

22.96+0.14 (+0.61%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Jan 19, 2029
Days to expiration: 831
Share price: $22.96
Put/call ratio (OI): 0.01
Put/call ratio (volume): 0.23
ATM implied volatility: 62.6%
Expected move: ±$21.70
Open interest (C / P): 9.11K / 49

UMC options summary

The UMC options chain for the January 19, 2029 expiration lists 10 call and 3 put contracts, with 831 days until expiration. Open interest stands at 9,108 calls and 49 puts, a put/call ratio of 0.01, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $22.00 strike is 62.6%, which implies the market expects a move of about ±$21.70 (94.5%) in United Microelectronics (NEW) stock by expiration.

The most open interest sits at the $27.00 call (4.23K contracts) and the $22.00 put (23 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

UMC options chain · January 19, 2029

UMC calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
5	2	53.5%	11.95	10.80	12.90	13.00	1.45	2.35	1.95	53.7%	1	4
36	35	58.7%	13.05	10.60	11.70	15.00	—	—	—	—	—	—
8	4	53.3%	10.80	8.10	10.20	18.00	—	—	—	—	—	—
27	20	55.6%	8.80	8.10	9.00	20.00	2.60	5.20	5.00	52.3%	10	22
163	20	60.1%	8.20	7.30	9.40	22.00	4.10	8.00	6.30	65.2%	24	23
UMC $22.96
27	2	61.6%	7.20	6.20	9.00	25.00	—	—	—	—	—	—
4,230	2	56.8%	5.90	4.50	6.40	27.00	—	—	—	—	—	—
2,027	34	58.5%	5.89	3.00	5.90	30.00	—	—	—	—	—	—
546	32	61.7%	5.20	2.50	5.90	32.00	—	—	—	—	—	—
2,039	1	55.0%	4.00	1.50	4.40	35.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the UMC put/call ratio?

For the January 19, 2029 expiration, the UMC put/call ratio based on open interest is 0.01 (49 puts vs 9,108 calls), and 0.23 based on today's volume. A ratio above 1 means more puts than calls.

What is UMC's implied volatility?

At-the-money implied volatility for UMC options expiring January 19, 2029 is about 62.6%, an annualized estimate of how much the market expects United Microelectronics (NEW) stock to move.

How many UMC option expiration dates are there?

UMC has 6 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.