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WSO
Watsco, Inc.
stock NYSE

At Close

Aug 7, 2026 3:59:58 PM EDT

330.04USD+2.810%(+9.02)566,726

0.00Bid 0.00Ask 0.00Spread

Pre-market

Aug 4, 2026 8:34:30 AM EDT

321.01USD-0.003%(-0.01)0

After-hours

Aug 7, 2026 4:00:30 PM EDT

330.10USD+0.018%(+0.06)153,075

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Aug 21, 2026 Sep 18, 2026 Nov 20, 2026 Feb 19, 2027

ITM/OTM for Aug 21, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
1,882	233	865	1,081

WSO Aug 21, 2026 Exp. - Volume by Strike

Puts

Calls

WSO Aug 21, 2026 Exp. - Open Interest by Strike

Puts

Calls

WSO Aug 21, 2026 Exp. - Max Pain @ $320.00

Puts

Calls

WSO Aug 21, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
620 C	0.50	0%	1	1	03-25	WSO260821C00620000
600 C	1.50	+64.84%	1	14	04-17	WSO260821C00600000
580 C	2.25	+309.09%	1	6	04-27	WSO260821C00580000
560 C	0	0%	0			WSO260821C00560000
540 C	3.60	-10.00%	1	3	03-05	WSO260821C00540000
520 C	8.30	0%	1	1	02-05	WSO260821C00520000
510 C	0	0%	0			WSO260821C00510000
500 C	0.10	-50.00%	1	1	07-27	WSO260821C00500000
490 C	1.60	-13.51%	1	2	06-25	WSO260821C00490000
480 C	2.45	+40.00%	1	7	06-22	WSO260821C00480000
470 C	34.67	+395.29%	2	2	04-27	WSO260821C00470000
460 C	18.40	-13.00%	1	8	05-08	WSO260821C00460000
450 C	7.50	-77.48%	1	6	06-22	WSO260821C00450000
440 C	0.25	-92.86%	8	20	07-29	WSO260821C00440000
430 C	1.68	-56.81%	1	16	07-20	WSO260821C00430000
420 C	5.13	-33.81%	10	21	07-17	WSO260821C00420000
410 C	3.60	-34.55%	1	6	07-24	WSO260821C00410000
400 C	0.55	-52.99%	1	45	08-05	WSO260821C00400000
390 C	18.04	-18.88%	2	4	07-15	WSO260821C00390000
380 C	0.05	-99.48%	5	1	07-29	WSO260821C00380000
370 C	17.60	-32.31%	14	10	07-20	WSO260821C00370000
360 C	2.09	+145.88%	1	6	08-05	WSO260821C00360000
350 C	2.23	-38.06%	44	48	08-06	WSO260821C00350000
340 C	7.90	+251.11%	8	5	08-04	WSO260821C00340000
330 C	12.90	+130.77%	6	11	08-04	WSO260821C00330000
320 C	14.11	-25.50%	44	941	08-06	WSO260821C00320000
310 C	17.31	+39.82%	4	926	07-30	WSO260821C00310000
300 C	12.60	-37.00%	2	3	07-30	WSO260821C00300000
290 C	0	0%	0			WSO260821C00290000
280 C	35.88	-66.24%	2	1	07-30	WSO260821C00280000
270 C	0	0%	0			WSO260821C00270000
260 C	0	0%	0			WSO260821C00260000
250 C	0	0%	0			WSO260821C00250000
240 C	0	0%	0			WSO260821C00240000
230 C	0	0%	0			WSO260821C00230000
220 C	0	0%	0			WSO260821C00220000
210 C	0	0%	0			WSO260821C00210000
200 C	0	0%	0			WSO260821C00200000
195 C	0	0%	0			WSO260821C00195000
190 C	0	0%	0			WSO260821C00190000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
620 P	0	0%	0			WSO260821P00620000
600 P	0	0%	0			WSO260821P00600000
580 P	0	0%	0			WSO260821P00580000
560 P	0	0%	0			WSO260821P00560000
540 P	0	0%	0			WSO260821P00540000
520 P	0	0%	0			WSO260821P00520000
510 P	0	0%	0			WSO260821P00510000
500 P	0	0%	0			WSO260821P00500000
490 P	0	0%	0			WSO260821P00490000
480 P	0	0%	0			WSO260821P00480000
470 P	124.50	0%	1	1	12-19	WSO260821P00470000
460 P	0	0%	0			WSO260821P00460000
450 P	0	0%	0			WSO260821P00450000
440 P	65.10	-4.50%	1	1	06-10	WSO260821P00440000
430 P	62.80	+49.52%	2	5	03-23	WSO260821P00430000
420 P	105.16	+207.49%	1	1	07-29	WSO260821P00420000
410 P	95.18	+157.24%	1	1	07-29	WSO260821P00410000
400 P	85.22	+140.06%	2	3	07-29	WSO260821P00400000
390 P	79.40	+18.51%	8	3	07-30	WSO260821P00390000
380 P	77.60	+17.19%	10	3	07-30	WSO260821P00380000
370 P	63.96	+278.91%	18	800	07-30	WSO260821P00370000
360 P	39.47	+152.20%	1	10	07-29	WSO260821P00360000
350 P	37.00	+281.44%	2	21	07-29	WSO260821P00350000
340 P	36.40	+420.00%	3	16	07-30	WSO260821P00340000
330 P	13.30	+166.00%	3	819	08-06	WSO260821P00330000
320 P	6.62	+69.74%	2	27	08-06	WSO260821P00320000
310 P	3.50	-56.79%	1	15	08-06	WSO260821P00310000
300 P	2.58	-60.31%	2	39	08-06	WSO260821P00300000
290 P	1.40	-44.00%	10	23	08-05	WSO260821P00290000
280 P	3.00	-6.25%	1	23	07-30	WSO260821P00280000
270 P	0.60	-64.71%	1	3	08-04	WSO260821P00270000
260 P	1.16	-77.69%	21	23	07-29	WSO260821P00260000
250 P	1.82	-72.84%	3	5	07-29	WSO260821P00250000
240 P	0.49	+19.51%	3	17	07-30	WSO260821P00240000
230 P	1.12	+28.74%	42	16	05-19	WSO260821P00230000
220 P	2.85	+78.13%	1	5	03-31	WSO260821P00220000
210 P	0.42	-74.07%	62	16	05-12	WSO260821P00210000
200 P	1.40	+12.00%	37	19	03-12	WSO260821P00200000
195 P	1.10	0%	22	5	03-03	WSO260821P00195000
190 P	1.25	+43.68%	13	26	03-24	WSO260821P00190000

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WSO Aug 21, 2026 Exp. - Open Interest by Strike

WSO Aug 21, 2026 Exp. - Max Pain @ $320.00

WSO
Watsco, Inc.
stock NYSE