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MAIN
Main Street Capital Corporation
stock NYSE

At Close

Oct 2, 2026 3:59:50 PM EDT

55.13USD-0.952%(-0.53)528,945

47.94Bid 62.94Ask 15.00Spread

Pre-market

Oct 2, 2026 9:07:30 AM EDT

56.18USD+0.934%(+0.52)2,454

After-hours

Oct 2, 2026 4:39:30 PM EDT

55.11USD-0.036%(-0.02)501

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Oct 16, 2026 Nov 20, 2026 Dec 18, 2026 Mar 19, 2027 Jan 21, 2028 Jan 19, 2029

ITM/OTM for Dec 18, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
2,339	5,655	515	5,160

MAIN Dec 18, 2026 Exp. - Volume by Strike

Puts

Calls

MAIN Dec 18, 2026 Exp. - Open Interest by Strike

Puts

Calls

MAIN Dec 18, 2026 Exp. - Max Pain @ $54.70

Puts

Calls

MAIN Dec 18, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
85.00 C	0	0%	0			MAIN261218C00085000
84.70 C	0	0%	0			MAIN261218C00084700
84.40 C	0	0%	0			MAIN261218C00084400
80.00 C	0	0%	0			MAIN261218C00080000
79.70 C	0	0%	0			MAIN261218C00079700
79.40 C	0	0%	0			MAIN261218C00079400
75.00 C	0	0%	0			MAIN261218C00075000
74.70 C	0	0%	0			MAIN261218C00074700
74.40 C	0	0%	0			MAIN261218C00074400
70.00 C	0.47	+27.03%	2	17	05-05	MAIN261218C00070000
69.70 C	0.09	-55.00%	5	930	09-10	MAIN261218C00069700
69.40 C	0.08	0%	10	920	09-24	MAIN261218C00069400
65.00 C	0.33	0.00%	26	96	06-18	MAIN261218C00065000
64.70 C	0.21	-30.00%	4	454	09-18	MAIN261218C00064700
64.40 C	0.15	+50.00%	6	484	09-30	MAIN261218C00064400
60.00 C	0.75	-2.60%	7	369	06-18	MAIN261218C00060000
59.70 C	0.85	-24.11%	45	1,167	09-18	MAIN261218C00059700
59.40 C	0.55	0.00%	5	1,218	10-01	MAIN261218C00059400
55.00 C	1.80	-1.64%	29	569	06-18	MAIN261218C00055000
54.70 C	2.80	-27.27%	13	832	09-18	MAIN261218C00054700
54.40 C	2.35	-16.07%	15	797	09-30	MAIN261218C00054400
50.00 C	3.21	-30.07%	2	53	06-17	MAIN261218C00050000
49.70 C	8.00	-11.11%	2	15	09-17	MAIN261218C00049700
49.40 C	6.20	0%	3	15	09-30	MAIN261218C00049400
45.00 C	8.40	+7.55%	1	29	06-15	MAIN261218C00045000
44.70 C	14.90	+39.64%	5	5	08-13	MAIN261218C00044700
44.40 C	10.77	0%	1	1	10-01	MAIN261218C00044400
40.00 C	11.75	-0.17%	8	13	06-18	MAIN261218C00040000
39.70 C	18.00	+3.69%	5	5	09-03	MAIN261218C00039700
39.40 C	0	0%	0			MAIN261218C00039400
35.00 C	16.40	0%	2	1	05-18	MAIN261218C00035000
34.70 C	0	0%	0			MAIN261218C00034700
34.40 C	0	0%	0			MAIN261218C00034400
30.00 C	21.43	-2.37%	2	3	06-17	MAIN261218C00030000
29.70 C	23.00	0%	1	1	07-01	MAIN261218C00029700
29.40 C	0	0%	0			MAIN261218C00029400

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
85.00 P	0	0%	0			MAIN261218P00085000
84.70 P	32.70	-4.94%	2	13	07-07	MAIN261218P00084700
84.40 P	0	0%	0			MAIN261218P00084400
80.00 P	0	0%	0			MAIN261218P00080000
79.70 P	27.50	-6.81%	1	16	07-06	MAIN261218P00079700
79.40 P	0	0%	0			MAIN261218P00079400
75.00 P	0	0%	0			MAIN261218P00075000
74.70 P	24.51	0%	2	1	06-26	MAIN261218P00074700
74.40 P	0	0%	0			MAIN261218P00074400
70.00 P	0	0%	0			MAIN261218P00070000
69.70 P	11.92	-16.93%	1	1	08-07	MAIN261218P00069700
69.40 P	0	0%	0			MAIN261218P00069400
65.00 P	15.45	+9.19%	3	5	05-19	MAIN261218P00065000
64.70 P	9.01	-2.70%	3	28	09-16	MAIN261218P00064700
64.40 P	8.93	-11.67%	23	29	09-29	MAIN261218P00064400
60.00 P	9.24	-19.79%	1	11	06-15	MAIN261218P00060000
59.70 P	4.10	-3.53%	1	206	09-18	MAIN261218P00059700
59.40 P	4.75	0%	1	205	09-29	MAIN261218P00059400
55.00 P	6.80	+13.33%	1	174	06-18	MAIN261218P00055000
54.70 P	1.92	+12.94%	9	812	09-18	MAIN261218P00054700
54.40 P	2.02	+3.59%	57	455	10-01	MAIN261218P00054400
50.00 P	4.30	+28.74%	2	441	06-18	MAIN261218P00050000
49.70 P	0.75	+50.00%	2	474	09-18	MAIN261218P00049700
49.40 P	0.72	+30.91%	8	511	10-01	MAIN261218P00049400
45.00 P	2.28	+5.56%	8	206	06-18	MAIN261218P00045000
44.70 P	0.28	+12.00%	1	247	09-18	MAIN261218P00044700
44.40 P	0.26	-18.75%	1	245	09-28	MAIN261218P00044400
40.00 P	1.19	+8.18%	8	374	06-18	MAIN261218P00040000
39.70 P	0.15	-6.25%	1	408	09-16	MAIN261218P00039700
39.40 P	0.14	-6.67%	2	405	10-01	MAIN261218P00039400
35.00 P	0.60	+9.09%	9	113	06-18	MAIN261218P00035000
34.70 P	0.20	+33.33%	1	86	08-21	MAIN261218P00034700
34.40 P	0	0%	0			MAIN261218P00034400
30.00 P	0.36	0.00%	3	67	06-17	MAIN261218P00030000
29.70 P	0.10	-16.67%	4	142	08-04	MAIN261218P00029700
29.40 P	0	0%	0			MAIN261218P00029400