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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 Sep 18, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
33,163	28,070	114	9,349

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 @ $19.00

Puts

Calls

UMC Sep 18, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
32 C	0.21	+162.50%	1	21	09-09	UMC260918C00032000
31 C	0.03	-91.43%	2	48	08-21	UMC260918C00031000
30 C	0.01	-90.00%	1	74	08-24	UMC260918C00030000
29 C	0.10	0.00%	4	19	09-09	UMC260918C00029000
28 C	0.20	+300.00%	8	19	09-10	UMC260918C00028000
27 C	0.10	+42.86%	1	98	09-09	UMC260918C00027000
26 C	0.15	+87.50%	12	84	09-09	UMC260918C00026000
25 C	0.10	-60.00%	185	512	09-10	UMC260918C00025000
24 C	0.25	-43.18%	12	505	09-10	UMC260918C00024000
23 C	0.45	-42.31%	271	26,690	09-10	UMC260918C00023000
22 C	0.85	-32.00%	66	2,320	09-10	UMC260918C00022000
21 C	1.50	-21.05%	28	491	09-10	UMC260918C00021000
20 C	2.25	-12.79%	140	26,515	09-10	UMC260918C00020000
19 C	4.00	+37.93%	11	348	09-09	UMC260918C00019000
18 C	4.00	+39.86%	3	839	09-08	UMC260918C00018000
17 C	5.40	+14.89%	1	1,871	09-09	UMC260918C00017000
16 C	5.98	+24.58%	1	39	09-08	UMC260918C00016000
15 C	7.10	+47.92%	2	444	09-08	UMC260918C00015000
14 C	5.88	+6.91%	1	293	08-31	UMC260918C00014000
13 C	0	0%	0			UMC260918C00013000
12 C	10.17	0%	3	3	09-09	UMC260918C00012000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
32 P	0	0%	0			UMC260918P00032000
31 P	0	0%	0			UMC260918P00031000
30 P	7.74	0%	2	0	09-09	UMC260918P00030000
29 P	0	0%	0			UMC260918P00029000
28 P	9.79	+9.39%	2	11	08-19	UMC260918P00028000
27 P	0	0%	0			UMC260918P00027000
26 P	0	0%	0			UMC260918P00026000
25 P	5.25	-10.26%	1	19	09-02	UMC260918P00025000
24 P	4.94	-3.14%	1	3	09-03	UMC260918P00024000
23 P	1.38	+6.15%	8	81	09-10	UMC260918P00023000
22 P	0.73	+4.29%	2	170	09-10	UMC260918P00022000
21 P	0.35	0.00%	4	507	09-10	UMC260918P00021000
20 P	0.15	-40.00%	18	615	09-09	UMC260918P00020000
19 P	0.12	+140.00%	1	3,813	09-10	UMC260918P00019000
18 P	0.05	0.00%	20	666	09-10	UMC260918P00018000
17 P	0.03	-40.00%	2	337	09-10	UMC260918P00017000
16 P	0.01	-80.00%	4	840	09-08	UMC260918P00016000
15 P	0.03	-70.00%	5	697	09-04	UMC260918P00015000
14 P	0.05	+25.00%	1	73	09-01	UMC260918P00014000
13 P	0.42	+31.25%	3	350	08-03	UMC260918P00013000
12 P	0.10	+42.86%	20	1,281	08-11	UMC260918P00012000

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