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UMC
United Microelectronic Corp.
stock NYSE ADR

At Close

Sep 11, 2026 3:59:58 PM EDT

22.64USD+2.351%(+0.52)7,190,739

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 11, 2026 9:29:59 AM EDT

22.44USD+1.447%(+0.32)301,511

After-hours

Sep 11, 2026 4:48:30 PM EDT

22.66USD+0.088%(+0.02)3,736

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

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

ITM/OTM for Oct 16, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
19,719	28,069	3,115	29,636

UMC Oct 16, 2026 Exp. - Volume by Strike

Puts

Calls

UMC Oct 16, 2026 Exp. - Open Interest by Strike

Puts

Calls

UMC Oct 16, 2026 Exp. - Max Pain @ $19.00

Puts

Calls

UMC Oct 16, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
41 C	0.03	-70.00%	5	581	08-20	UMC261016C00041000
40 C	0.54	-16.92%	3	49	07-21	UMC261016C00040000
39 C	0.15	-88.46%	8	22	08-07	UMC261016C00039000
38 C	0.90	-40.79%	1	50	07-16	UMC261016C00038000
37 C	0.40	+100.00%	1	14	08-04	UMC261016C00037000
36 C	0.41	-45.33%	1	176	08-04	UMC261016C00036000
35 C	0.06	-60.00%	1	1,133	09-02	UMC261016C00035000
34 C	0.13	-62.86%	1	101	08-25	UMC261016C00034000
33 C	0.13	+18.18%	3	48	09-09	UMC261016C00033000
32 C	0.10	+100.00%	3	137	09-08	UMC261016C00032000
31 C	0.10	0.00%	24	250	08-25	UMC261016C00031000
30 C	0.25	+25.00%	122	2,291	09-09	UMC261016C00030000
29 C	0.35	+118.75%	3	890	09-09	UMC261016C00029000
28 C	0.45	+80.00%	90	334	09-09	UMC261016C00028000
27 C	0.45	-23.73%	7	765	09-10	UMC261016C00027000
26 C	0.77	+28.33%	19	541	09-09	UMC261016C00026000
25 C	0.80	-23.81%	6	17,796	09-10	UMC261016C00025000
24 C	1.05	-22.22%	1	753	09-10	UMC261016C00024000
23 C	1.35	-16.67%	253	2,138	09-10	UMC261016C00023000
22 C	1.90	-13.64%	376	2,550	09-10	UMC261016C00022000
21 C	2.29	-15.19%	13	1,530	09-10	UMC261016C00021000
20 C	2.86	-15.63%	39	2,235	09-10	UMC261016C00020000
19 C	3.76	-6.00%	5	321	09-10	UMC261016C00019000
18 C	4.50	+4.65%	11	2,935	09-09	UMC261016C00018000
17 C	5.00	-10.71%	10	92	09-10	UMC261016C00017000
16 C	6.13	+22.60%	1	1,513	09-10	UMC261016C00016000
15 C	7.07	+1.00%	2	924	09-10	UMC261016C00015000
14 C	6.56	+26.40%	2	1,760	09-01	UMC261016C00014000
13 C	8.80	+14.29%	2	3,588	09-08	UMC261016C00013000
12 C	9.00	+9.76%	1	34	09-04	UMC261016C00012000
11 C	7.25	-15.70%	1	752	08-19	UMC261016C00011000
10 C	11.76	+30.67%	1	535	09-08	UMC261016C00010000
9 C	16.20	+9.46%	400	400	07-15	UMC261016C00009000
8 C	16.00	+661.90%	500	500	07-14	UMC261016C00008000
7 C	16.70	-9.24%	9	9	07-13	UMC261016C00007000
6 C	17.20	-15.69%	10	5	07-07	UMC261016C00006000
5 C	18.89	-12.14%	2	2	07-07	UMC261016C00005000
4 C	19.60	-2.97%	57	7	07-07	UMC261016C00004000
3 C	20.92	-9.40%	64	14	07-07	UMC261016C00003000
2 C	21.70	-10.14%	68	13	07-07	UMC261016C00002000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
41 P	0	0%	0			UMC261016P00041000
40 P	0	0%	0			UMC261016P00040000
39 P	0	0%	0			UMC261016P00039000
38 P	0	0%	0			UMC261016P00038000
37 P	0	0%	0			UMC261016P00037000
36 P	0	0%	0			UMC261016P00036000
35 P	0	0%	0			UMC261016P00035000
34 P	0	0%	0			UMC261016P00034000
33 P	0	0%	0			UMC261016P00033000
32 P	9.60	0%	4	4	07-15	UMC261016P00032000
31 P	8.30	0%	9	9	07-15	UMC261016P00031000
30 P	13.10	+29.96%	1	246	07-29	UMC261016P00030000
29 P	10.24	+29.62%	10	143	08-10	UMC261016P00029000
28 P	7.20	+12.50%	44	140	07-13	UMC261016P00028000
27 P	6.80	-2.86%	4	303	09-01	UMC261016P00027000
26 P	5.90	-4.84%	32	269	09-01	UMC261016P00026000
25 P	4.60	-19.30%	1	601	09-04	UMC261016P00025000
24 P	3.00	-20.00%	3	959	09-08	UMC261016P00024000
23 P	2.10	-2.33%	236	441	09-10	UMC261016P00023000
22 P	1.65	+10.00%	156	5,009	09-10	UMC261016P00022000
21 P	1.20	+6.19%	2	1,790	09-10	UMC261016P00021000
20 P	0.80	+6.67%	166	1,905	09-10	UMC261016P00020000
19 P	0.50	+6.38%	1	3,837	09-10	UMC261016P00019000
18 P	0.30	0.00%	3	2,119	09-10	UMC261016P00018000
17 P	0.15	-28.57%	104	4,125	09-09	UMC261016P00017000
16 P	0.15	-44.44%	6	3,180	09-04	UMC261016P00016000
15 P	0.12	0.00%	2	1,850	09-04	UMC261016P00015000
14 P	0.15	+50.00%	1	2,754	09-03	UMC261016P00014000
13 P	0.05	-54.55%	2	609	09-04	UMC261016P00013000
12 P	0.05	0.00%	1	789	09-01	UMC261016P00012000
11 P	0.10	-58.33%	20	349	08-26	UMC261016P00011000
10 P	0.10	-50.00%	1	744	08-10	UMC261016P00010000
9 P	0.15	-16.67%	5	289	07-13	UMC261016P00009000
8 P	0.05	-50.00%	4	257	08-03	UMC261016P00008000
7 P	0.09	-70.97%	2	7	06-09	UMC261016P00007000
6 P	0.20	0%	2	2	03-25	UMC261016P00006000
5 P	0.05	-66.67%	14	21	06-29	UMC261016P00005000
4 P	0	0%	0			UMC261016P00004000
3 P	0	0%	0			UMC261016P00003000
2 P	0	0%	0			UMC261016P00002000