UMC
United Microelectronic Corp.
stockNYSEADR

At CloseOct 5, 2026 3:59:58 PM EDT

23.97USD-8.755%(-2.30)31,790,780

Pre-marketOct 5, 2026 9:29:30 AM EDT

23.91USD-8.977%(-2.36)

After-hoursOct 5, 2026 4:58:30 PM EDT

24.01USD+0.174%(+0.04)

UMC Option Chain

Expiration Dates

Open interestCallsITM 197OTM 59PutsITM 0OTM 4P/C 0.02

CallsPuts

CallsPuts

CallsPuts

Columns

Contract

Calls

Strike	Price	Change	Vol	OI	Last
35 C	7.40	0.00%	25	28	09-30
32 C	6.65	0.00%	6	6	09-16
30 C	7.00	0.00%	6	6	09-16
27 C	10.32	+11.81%	2	6	09-22
25 C	10.20	+8.97%	1	13	10-01
22 C	10.60	-1.85%	1	154	09-30
20 C	12.15	0.00%	1	1	09-22
18 C	11.70	+13.92%	3	4	09-28
15 C	13.05	-0.76%	35	36	09-28
13 C	14.97	0.00%	4	2	09-29

Puts

Strike	Price	Change	Vol	OI	Last
35 P	—	—	0	0	—
32 P	—	—	0	0	—
30 P	—	—	0	0	—
27 P	—	—	0	0	—
25 P	—	—	0	0	—
22 P	7.03	-5.38%	1	1	09-18
20 P	5.83	0.00%	1	1	09-18
18 P	—	—	0	0	—
15 P	—	—	0	0	—
13 P	2.40	+4.35%	1	2	09-30