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MAIN
Main Street Capital Corporation
stock NYSE

At Close

Aug 11, 2026 3:24:58 PM EDT

59.07USD+0.940%(+0.55)850,436

0.00Bid 0.00Ask 0.00Spread

Pre-market

Aug 11, 2026 8:28:30 AM EDT

58.38USD-0.239%(-0.14)100

After-hours

Aug 11, 2026 4:32:30 PM EDT

59.00USD-0.119%(-0.07)1,110

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Aug 21, 2026 Sep 18, 2026 Dec 18, 2026 Mar 19, 2027

ITM/OTM for Dec 18, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
1,446	2,015	234	2,973

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
80.00 C	0	0%	0			MAIN261218C00080000
79.70 C	0	0%	0			MAIN261218C00079700
75.00 C	0	0%	0			MAIN261218C00075000
74.70 C	0	0%	0			MAIN261218C00074700
70.00 C	0.47	+27.03%	2	17	05-05	MAIN261218C00070000
69.70 C	0.20	-33.33%	15	280	08-10	MAIN261218C00069700
65.00 C	0.33	0.00%	26	96	06-18	MAIN261218C00065000
64.70 C	0.65	-31.58%	2	279	08-10	MAIN261218C00064700
60.00 C	0.75	-2.60%	7	369	06-18	MAIN261218C00060000
59.70 C	2.00	-20.00%	20	974	08-10	MAIN261218C00059700
55.00 C	1.80	-1.64%	29	569	06-18	MAIN261218C00055000
54.70 C	4.50	-17.43%	63	695	08-10	MAIN261218C00054700
50.00 C	3.21	-30.07%	2	53	06-17	MAIN261218C00050000
49.70 C	9.87	+41.40%	4	54	08-07	MAIN261218C00049700
45.00 C	8.40	+7.55%	1	29	06-15	MAIN261218C00045000
44.70 C	10.67	+24.94%	6	23	07-16	MAIN261218C00044700
40.00 C	11.75	-0.17%	8	13	06-18	MAIN261218C00040000
39.70 C	17.36	+26.90%	1	5	08-06	MAIN261218C00039700
35.00 C	16.40	0%	2	1	05-18	MAIN261218C00035000
34.70 C	0	0%	0			MAIN261218C00034700
30.00 C	21.43	-2.37%	2	3	06-17	MAIN261218C00030000
29.70 C	23.00	0%	1	1	07-01	MAIN261218C00029700

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
80.00 P	0	0%	0			MAIN261218P00080000
79.70 P	27.50	-6.81%	1	16	07-06	MAIN261218P00079700
75.00 P	0	0%	0			MAIN261218P00075000
74.70 P	24.51	0%	2	1	06-26	MAIN261218P00074700
70.00 P	0	0%	0			MAIN261218P00070000
69.70 P	11.92	-16.93%	1	1	08-07	MAIN261218P00069700
65.00 P	15.45	+9.19%	3	5	05-19	MAIN261218P00065000
64.70 P	9.18	0%	1	4	08-06	MAIN261218P00064700
60.00 P	9.24	-19.79%	1	11	06-15	MAIN261218P00060000
59.70 P	5.81	-10.62%	1	183	08-05	MAIN261218P00059700
55.00 P	6.80	+13.33%	1	174	06-18	MAIN261218P00055000
54.70 P	2.05	+21.30%	27	401	08-10	MAIN261218P00054700
50.00 P	4.30	+28.74%	2	441	06-18	MAIN261218P00050000
49.70 P	0.87	+8.75%	7	398	08-10	MAIN261218P00049700
45.00 P	2.28	+5.56%	8	206	06-18	MAIN261218P00045000
44.70 P	0.45	0.00%	9	242	08-10	MAIN261218P00044700
40.00 P	1.19	+8.18%	8	374	06-18	MAIN261218P00040000
39.70 P	0.28	-12.50%	18	329	08-07	MAIN261218P00039700
35.00 P	0.60	+9.09%	9	113	06-18	MAIN261218P00035000
34.70 P	0.14	-12.50%	19	86	08-07	MAIN261218P00034700
30.00 P	0.36	0.00%	3	67	06-17	MAIN261218P00030000
29.70 P	0.10	-16.67%	4	142	08-04	MAIN261218P00029700

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