ASE Technology

✦ Today’s options flow

Calls lead

29143 8290

■ Call volume■ Put volume

• Calls are outnumbering puts by more than 3.6 to 1 today — the day's options flow leans bullish.

Most active contracts today

Contract	Type	Last	Volume	Open int.	IV
Oct 16 $42.50	Call	$1.90	14,212	931	51.30%
Oct 16 $47.50	Call	$0.65	12,965	1,224	55.81%
Oct 16 $40.00	Put	$1.65	5,718	1,032	54.99%
Oct 16 $45.00	Call	$1.05	1,266	1,404	51.60%
Dec 18 $35.00	Put	$1.85	1,236	671	55.80%
Nov 20 $35.00	Put	$1.50	781	0	57.31%
Nov 20 $55.00	Call	$0.64	181	0	55.70%
Oct 16 $32.50	Put	$0.18	122	1,025	57.94%
Oct 16 $40.00	Call	$3.10	118	1,443	48.69%
Oct 16 $30.00	Put	$0.07	103	172	67.27%

Ranked by today’s contract volume, calls and puts together. Ties in the underlying data land in whatever order the database returns them.

Full chain, by expiration

Oct 16, 2026 (13 strikes)

Calls			Strike	Puts
Last	Vol	OI		Last	Vol	OI
$20.01	0	5	$20.00	$0.01	0	2
$18.42	2	0	$22.50	$0.02	0	0
$15.95	2	0	$25.00	$0.05	0	1
$12.63	0	10	$27.50	$0.10	0	153
$10.23	0	3	$30.00	$0.07	103	172
$7.91	0	4	$32.50	$0.18	122	1,025
$6.35	1	16	$35.00	$0.40	96	1,939
$4.65	2	69	$37.50	$0.87	16	1,100
$3.10	118	1,443	$40.00	$1.65	5,718	1,032
$1.90	14,212	931	$42.50	$3.07	2	1
$1.05	1,266	1,404	$45.00	$5.76	0	5
$0.65	12,965	1,224	$47.50	$7.91	0	0
$0.33	9	110	$50.00	$10.19	0	0

Nov 20, 2026 (14 strikes)

Calls			Strike	Puts
Last	Vol	OI		Last	Vol	OI
$20.16	0	0	$20.00	$0.15	1	0
$17.71	0	0	$22.50	$0.03	0	0
$15.30	0	0	$25.00	$0.11	0	0
$12.98	0	0	$27.50	$0.27	0	0
$10.80	0	0	$30.00	$0.66	1	0
$8.72	0	0	$32.50	$1.05	3	0
$7.40	34	0	$35.00	$1.50	781	0
$5.50	11	0	$37.50	$2.00	37	4
$4.06	10	0	$40.00	$3.50	3	0
$3.30	28	3	$42.50	$5.00	13	0
$2.40	75	1	$45.00	$6.73	0	0
$1.60	1	0	$47.50	$8.57	0	0
$1.29	8	0	$50.00	$10.74	0	0
$0.64	181	0	$55.00	$15.24	0	0

Dec 18, 2026 (18 strikes)

Calls			Strike	Puts
Last	Vol	OI		Last	Vol	OI
$25.24	0	2	$15.00	$0.01	0	12
$22.78	0	17	$17.50	$0.03	0	23
$20.35	0	9	$20.00	$0.07	0	19
$17.95	0	32	$22.50	$0.15	0	152
$15.62	0	24	$25.00	$0.25	5	111
$13.38	0	11	$27.50	$0.53	1	1,552
$11.26	0	52	$30.00	$0.75	4	5,913
$9.33	0	39	$32.50	$1.30	1	363
$8.50	6	148	$35.00	$1.85	1,236	671
$6.68	30	668	$37.50	$3.00	0	563
$5.00	4	617	$40.00	$3.90	13	546
$3.75	2	288	$42.50	$5.70	0	55
$3.20	16	238	$45.00	$7.10	10	27
$1.99	0	275	$47.50	$9.04	0	12
$1.80	20	1,146	$50.00	$11.18	0	3
$1.03	0	260	$55.00	$15.60	0	1
$0.60	1	249	$60.00	$20.25	0	0
$0.25	0	177	$65.00	$25.02	0	1

Jan 15, 2027 (19 strikes)

Calls			Strike	Puts
Last	Vol	OI		Last	Vol	OI
$27.66	0	33	$12.50	$0.01	0	75
$25.21	0	23	$15.00	$0.03	0	17
$22.78	0	5	$17.50	$0.07	0	9
$20.40	0	107	$20.00	$0.15	0	61
$18.08	0	129	$22.50	$0.30	0	57
$15.75	0	379	$25.00	$0.44	0	103
$13.65	0	21	$27.50	$0.60	1	1,479
$11.56	0	1,401	$30.00	$1.09	2	377
$9.70	0	71	$32.50	$1.65	86	989
$9.00	10	483	$35.00	$2.20	4	2,631
$7.50	4	196	$37.50	$3.40	30	103
$5.69	3	752	$40.00	$4.44	1	74
$5.01	22	155	$42.50	$6.64	0	45
$4.03	8	1,581	$45.00	$8.30	0	208
$2.99	0	1,452	$47.50	$9.98	0	39
$2.30	2	675	$50.00	$11.68	0	11
$1.58	0	372	$55.00	$16.08	0	0
$0.90	2	2,310	$60.00	$20.51	0	4
$0.63	88	924	$65.00	$25.21	0	0

Chain covers the nearest 4 expirations only — where almost all retail volume sits. Data as of 2026-09-19 04:21, refreshed a few times a day, not real-time.

For reference only, not investment advice. Options involve risk and are not suitable for every investor.