Dark

Check out our Level2View

UMC
United Microelectronic Corp.
stock NYSE ADR

At Close

Aug 3, 2026 3:59:54 PM EDT

18.68USD-1.813%(-0.35)12,054,959

15.82Bid 21.39Ask 5.57Spread

Pre-market

Aug 3, 2026 9:26:30 AM EDT

17.76USD-6.674%(-1.27)68,511

After-hours

Aug 3, 2026 4:10:30 PM EDT

18.69USD+0.027%(+0.01)1,166,458

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

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

ITM/OTM for Aug 21, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
499	65,200	10,511	5,401

UMC Aug 21, 2026 Exp. - Volume by Strike

Puts

Calls

UMC Aug 21, 2026 Exp. - Open Interest by Strike

Puts

Calls

UMC Aug 21, 2026 Exp. - Max Pain @ $23.00

Puts

Calls

UMC Aug 21, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
41 C	0.13	+8.33%	2	26	07-28	UMC260821C00041000
40 C	0.03	-40.00%	45	104	07-31	UMC260821C00040000
39 C	0.15	-42.31%	1	8	07-17	UMC260821C00039000
38 C	0.60	+25.00%	2	2	07-09	UMC260821C00038000
37 C	0.10	-88.10%	2	504	07-21	UMC260821C00037000
36 C	0.60	-3.23%	2	103	07-15	UMC260821C00036000
35 C	0.09	-47.06%	1	1,105	07-24	UMC260821C00035000
34 C	0.06	-62.50%	35	45	07-31	UMC260821C00034000
33 C	0.30	+500.00%	1	558	07-30	UMC260821C00033000
32 C	0.10	-66.67%	1	56	07-24	UMC260821C00032000
31 C	0.07	-86.79%	1	1,312	07-31	UMC260821C00031000
30 C	0.05	0.00%	10	1,508	07-31	UMC260821C00030000
29 C	0.20	-52.38%	6	40	07-24	UMC260821C00029000
28 C	0.05	-37.50%	3	2,564	07-31	UMC260821C00028000
27 C	0.13	+30.00%	65	23,969	07-31	UMC260821C00027000
26 C	0.20	+33.33%	4	3,964	07-31	UMC260821C00026000
25 C	0.23	+15.00%	8	1,011	07-31	UMC260821C00025000
24 C	0.30	+3.45%	103	22,747	07-31	UMC260821C00024000
23 C	0.48	+37.14%	1	502	07-31	UMC260821C00023000
22 C	0.65	+8.33%	44	245	07-31	UMC260821C00022000
21 C	0.90	+11.11%	50	1,103	07-31	UMC260821C00021000
20 C	1.20	+4.35%	46	2,976	07-31	UMC260821C00020000
19 C	1.75	+20.69%	74	748	07-31	UMC260821C00019000
18 C	2.24	+17.89%	175	335	07-31	UMC260821C00018000
17 C	2.45	+44.12%	7	139	07-30	UMC260821C00017000
16 C	2.10	-8.70%	18	18	07-29	UMC260821C00016000
15 C	3.50	+16.67%	3	4	07-30	UMC260821C00015000
14 C	9.60	-5.88%	2	2	07-07	UMC260821C00014000
13 C	0	0%	0			UMC260821C00013000
12 C	5.40	0%	1	1	07-29	UMC260821C00012000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
41 P	21.95	-1.66%	2	0	07-31	UMC260821P00041000
40 P	20.90	-8.33%	1	2	07-31	UMC260821P00040000
39 P	22.00	+0.69%	2	1	07-29	UMC260821P00039000
38 P	0	0%	0			UMC260821P00038000
37 P	0	0%	0			UMC260821P00037000
36 P	17.06	+3.08%	2	1	07-27	UMC260821P00036000
35 P	15.92	+1.40%	1	1	07-31	UMC260821P00035000
34 P	15.51	0%	1	1	07-27	UMC260821P00034000
33 P	0	0%	0			UMC260821P00033000
32 P	14.80	+15.90%	1	1	07-28	UMC260821P00032000
31 P	11.89	+2.06%	2	1	07-31	UMC260821P00031000
30 P	12.95	+70.39%	21	34	07-29	UMC260821P00030000
29 P	9.68	-2.32%	1	137	07-31	UMC260821P00029000
28 P	10.86	+16.77%	3	691	07-28	UMC260821P00028000
27 P	6.27	+6.27%	2	352	07-17	UMC260821P00027000
26 P	6.78	-14.18%	1	49	07-31	UMC260821P00026000
25 P	6.00	-22.08%	1	300	07-31	UMC260821P00025000
24 P	5.50	-20.06%	1	3,916	07-30	UMC260821P00024000
23 P	6.00	+27.12%	100	1,303	07-28	UMC260821P00023000
22 P	2.90	-43.14%	10	553	07-31	UMC260821P00022000
21 P	4.15	+28.88%	19	987	07-28	UMC260821P00021000
20 P	2.10	-27.08%	4	1,341	07-30	UMC260821P00020000
19 P	1.45	-17.61%	43	840	07-31	UMC260821P00019000
18 P	1.00	-13.04%	13	1,501	07-31	UMC260821P00018000
17 P	0.70	-6.67%	74	1,396	07-31	UMC260821P00017000
16 P	0.39	-29.09%	20	588	07-31	UMC260821P00016000
15 P	0.25	-30.56%	8	938	07-31	UMC260821P00015000
14 P	0.20	-50.00%	4	592	07-30	UMC260821P00014000
13 P	0.21	-22.22%	106	124	07-29	UMC260821P00013000
12 P	0.07	-30.00%	2	262	07-30	UMC260821P00012000

Share