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UMC
United Microelectronic Corp.
stock NYSE ADR

At Close

Jul 23, 2026 3:59:59 PM EDT

20.88USD-1.926%(-0.41)9,188,085

17.77Bid 20.91Ask 3.14Spread

Pre-market

Jul 23, 2026 9:29:30 AM EDT

20.51USD-3.680%(-0.78)50,237

After-hours

Jul 23, 2026 4:40:30 PM EDT

20.88USD-0.021%(0.00)2,202,224

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Aug 21, 2026 Sep 18, 2026 Oct 16, 2026 Jan 15, 2027 Jan 21, 2028

ITM/OTM for Sep 18, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
13	1,174	579	1,608

UMC Sep 18, 2026 Exp. - Volume by Strike

Puts

Calls

UMC Sep 18, 2026 Exp. - Open Interest by Strike

Puts

Calls

UMC Sep 18, 2026 Exp. - Max Pain @ $23.00

Puts

Calls

UMC Sep 18, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
32 C	0.70	+7.69%	1	11	07-21	UMC260918C00032000
31 C	0	0%	0			UMC260918C00031000
30 C	0.97	+7.78%	1	47	07-22	UMC260918C00030000
29 C	0	0%	0			UMC260918C00029000
28 C	1.10	-0.90%	3	11	07-20	UMC260918C00028000
27 C	0	0%	0			UMC260918C00027000
26 C	1.65	0.00%	2	22	07-21	UMC260918C00026000
25 C	1.91	+17.90%	209	703	07-21	UMC260918C00025000
24 C	2.05	-4.65%	1	102	07-22	UMC260918C00024000
23 C	2.40	0.00%	47	250	07-22	UMC260918C00023000
22 C	2.88	-2.37%	1	7	07-22	UMC260918C00022000
21 C	3.20	+14.29%	22	21	07-21	UMC260918C00021000
20 C	3.60	+10.77%	15	11	07-21	UMC260918C00020000
19 C	0	0%	0			UMC260918C00019000
18 C	0	0%	0			UMC260918C00018000
17 C	0	0%	0			UMC260918C00017000
16 C	0	0%	0			UMC260918C00016000
15 C	6.86	0%	2	2	07-17	UMC260918C00015000
14 C	0	0%	0			UMC260918C00014000
13 C	0	0%	0			UMC260918C00013000
12 C	0	0%	0			UMC260918C00012000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
32 P	0	0%	0			UMC260918P00032000
31 P	0	0%	0			UMC260918P00031000
30 P	0	0%	0			UMC260918P00030000
29 P	0	0%	0			UMC260918P00029000
28 P	0	0%	0			UMC260918P00028000
27 P	0	0%	0			UMC260918P00027000
26 P	0	0%	0			UMC260918P00026000
25 P	5.50	-7.72%	13	18	07-21	UMC260918P00025000
24 P	4.73	+13.16%	5	2	07-17	UMC260918P00024000
23 P	4.10	0%	56	56	07-21	UMC260918P00023000
22 P	3.70	0%	28	28	07-17	UMC260918P00022000
21 P	3.04	-7.88%	15	475	07-21	UMC260918P00021000
20 P	2.40	-13.67%	42	237	07-21	UMC260918P00020000
19 P	1.75	-7.89%	352	1,108	07-22	UMC260918P00019000
18 P	1.45	-20.77%	3	37	07-22	UMC260918P00018000
17 P	1.20	-6.25%	23	24	07-21	UMC260918P00017000
16 P	0.85	-22.73%	13	49	07-22	UMC260918P00016000
15 P	0.80	+19.40%	3	5	07-20	UMC260918P00015000
14 P	0.50	-3.85%	5	35	07-21	UMC260918P00014000
13 P	0.30	-25.00%	18	96	07-21	UMC260918P00013000
12 P	0.20	-20.00%	8	17	07-22	UMC260918P00012000

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