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 21, 2028
Days to expiration: 468
Share price: $22.96
Put/call ratio (OI): 0.15
Put/call ratio (volume): 30.67
ATM implied volatility: 55.9%
Expected move: ±$14.53
Open interest (C / P): 81.69K / 11.94K

UMC options summary

The UMC options chain for the January 21, 2028 expiration lists 17 call and 15 put contracts, with 468 days until expiration. Open interest stands at 81,695 calls and 11,938 puts, a put/call ratio of 0.15, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $22.00 strike is 55.9%, which implies the market expects a move of about ±$14.53 (63.3%) in United Microelectronics (NEW) stock by expiration.

The most open interest sits at the $30.00 call (60.56K contracts) and the $30.00 put (9.10K contracts).

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

UMC options chain · January 21, 2028

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
10	1	153.9%	24.91	19.80	24.30	1.00	—	—	—	—	—	—
0	2	125.4%	18.55	19.00	23.20	2.00	—	—	—	—	—	—
0	—	115.4%	19.13	15.50	20.20	3.00	0.00	0.15	0.50	91.8%	—	3
0	2	—	20.15	13.10	17.50	4.00	0.00	2.60	0.35	165.3%	5	25
37	10	70.7%	19.00	16.00	20.10	5.00	0.00	0.20	0.10	72.3%	1	81
58	1	91.4%	15.87	15.10	16.90	8.00	0.05	0.40	0.34	59.7%	2	668
309	2	74.5%	15.30	11.40	14.00	10.00	0.15	1.00	0.65	61.4%	1	234
323	2	65.4%	12.70	11.60	12.80	12.00	0.75	1.20	0.90	59.7%	4	192
689	24	60.2%	10.35	9.40	10.50	15.00	0.40	1.90	1.80	58.8%	1	74
2,397	27	58.2%	9.30	8.30	9.00	17.00	1.70	2.75	2.80	52.1%	1	644
1,213	2	63.2%	7.00	6.60	8.60	20.00	3.00	4.40	3.60	52.8%	13	408
146	2	57.1%	6.20	5.90	6.50	22.00	4.00	5.00	4.90	54.7%	1	341
UMC $22.96
1,557	1	58.9%	5.30	4.10	6.50	25.00	7.70	10.60	8.80	77.0%	1	130
14,055	4	54.1%	4.60	3.80	4.60	27.00	6.80	9.90	7.70	55.2%	3	15
60,556	215	54.3%	3.54	3.10	3.80	30.00	9.00	10.50	9.65	54.4%	9,100	9,104
175	2	53.4%	2.75	2.00	2.80	35.00	15.70	18.60	17.20	80.1%	5	12
170	1	52.1%	1.85	1.00	2.25	40.00	16.70	18.40	20.70	48.9%	2	7

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 21, 2028 expiration, the UMC put/call ratio based on open interest is 0.15 (11,938 puts vs 81,695 calls), and 30.67 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 21, 2028 is about 55.9%, 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.