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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 Oct 16, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
13,881	28,707	8,685	11,844

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 @ $18.00

Puts

Calls

UMC Oct 16, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
41 C	0.70	-39.13%	5	577	07-16	UMC261016C00041000
40 C	0.54	-16.92%	3	49	07-21	UMC261016C00040000
39 C	1.30	+18.18%	2	14	07-15	UMC261016C00039000
38 C	0.90	-40.79%	1	50	07-16	UMC261016C00038000
37 C	0.75	+7.14%	4	24	07-22	UMC261016C00037000
36 C	0.75	-55.88%	114	175	07-21	UMC261016C00036000
35 C	0.95	+11.76%	2	1,428	07-21	UMC261016C00035000
34 C	0.95	0.00%	43	101	07-22	UMC261016C00034000
33 C	1.05	-16.00%	18	30	07-21	UMC261016C00033000
32 C	1.17	-45.07%	1	135	07-21	UMC261016C00032000
31 C	1.25	0.00%	74	248	07-21	UMC261016C00031000
30 C	1.42	-2.07%	12	2,486	07-22	UMC261016C00030000
29 C	1.80	-29.41%	1	359	07-17	UMC261016C00029000
28 C	1.65	-2.94%	2	272	07-22	UMC261016C00028000
27 C	1.85	-28.85%	9	610	07-17	UMC261016C00027000
26 C	1.94	-19.17%	1	212	07-20	UMC261016C00026000
25 C	2.40	-4.00%	9	20,581	07-22	UMC261016C00025000
24 C	2.69	-0.37%	1	437	07-21	UMC261016C00024000
23 C	3.10	+14.81%	7	222	07-21	UMC261016C00023000
22 C	3.44	+2.69%	1	608	07-22	UMC261016C00022000
21 C	6.55	-3.68%	2	89	07-08	UMC261016C00021000
20 C	4.37	+4.80%	1	1,051	07-22	UMC261016C00020000
19 C	4.90	-5.77%	9	93	07-17	UMC261016C00019000
18 C	5.30	-15.87%	11	2,533	07-17	UMC261016C00018000
17 C	9.00	-10.00%	2	81	07-15	UMC261016C00017000
16 C	6.60	-17.50%	22	1,505	07-17	UMC261016C00016000
15 C	7.10	-31.73%	3	938	07-21	UMC261016C00015000
14 C	7.97	+7.70%	1	1,763	07-21	UMC261016C00014000
13 C	11.40	+3.17%	250	3,630	07-14	UMC261016C00013000
12 C	14.29	-1.24%	12	54	07-01	UMC261016C00012000
11 C	14.00	+6.87%	2	752	07-15	UMC261016C00011000
10 C	15.14	+7.38%	3	531	07-15	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	10.08	+26.00%	4	246	07-21	UMC261016P00030000
29 P	7.90	+8.22%	94	143	07-13	UMC261016P00029000
28 P	7.20	+12.50%	44	140	07-13	UMC261016P00028000
27 P	7.96	+30.49%	2	310	07-17	UMC261016P00027000
26 P	7.39	+44.90%	1	292	07-17	UMC261016P00026000
25 P	6.30	0.00%	2	639	07-21	UMC261016P00025000
24 P	5.80	+48.72%	2	969	07-20	UMC261016P00024000
23 P	4.70	+27.03%	1	121	07-17	UMC261016P00023000
22 P	4.50	+9.76%	3	4,076	07-20	UMC261016P00022000
21 P	3.30	-2.94%	28	1,736	07-22	UMC261016P00021000
20 P	2.75	-5.17%	40	1,089	07-22	UMC261016P00020000
19 P	2.25	-8.16%	2	1,016	07-22	UMC261016P00019000
18 P	1.85	-5.13%	18	1,793	07-22	UMC261016P00018000
17 P	1.45	-9.38%	29	1,066	07-22	UMC261016P00017000
16 P	1.17	-10.00%	1	1,469	07-22	UMC261016P00016000
15 P	0.65	-20.73%	1	882	07-15	UMC261016P00015000
14 P	0.82	+134.29%	3	1,551	07-17	UMC261016P00014000
13 P	0.50	+42.86%	22	600	07-21	UMC261016P00013000
12 P	0.30	-14.29%	5	772	07-20	UMC261016P00012000
11 P	0.20	0.00%	17	300	07-16	UMC261016P00011000
10 P	0.15	-25.00%	8	734	07-22	UMC261016P00010000
9 P	0.15	-16.67%	5	289	07-13	UMC261016P00009000
8 P	0.10	+100.00%	5	253	07-13	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