If you invested $1000 in Watsco, Inc. (WSO) 10 years ago, it would be worth $2,950.7 as of September 12, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,270.81, while $1000 invested 1 year ago would be worth $836.2. This corresponds to total returns of 195.07%, 27.08%, -16.38%, respectively, with annualized returns of 11.42%, 4.91%, -16.38%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| September 11, 2026 | 314.32 | 314.22 | 314.22 | 318.3 | 313.44 | 323,329 |
| September 10, 2026 | 307.01 | 310.9 | 310.9 | 312.96 | 303.38 | 372,692 |
| September 09, 2026 | 313.21 | 309.75 | 309.75 | 316.56 | 309.43 | 328,450 |
| September 08, 2026 | 316.87 | 316.02 | 316.02 | 319.97 | 315.38 | 398,614 |
| September 04, 2026 | 315.1 | 315.13 | 315.13 | 318.32 | 312.91 | 279,680 |
| September 03, 2026 | 310.91 | 315.38 | 315.38 | 316.58 | 307.01 | 378,374 |
| September 02, 2026 | 313.63 | 308.92 | 308.92 | 316.93 | 305.92 | 545,600 |
| September 01, 2026 | 305.02 | 314.98 | 314.98 | 315.12 | 305.02 | 730,701 |
| August 31, 2026 | 309.55 | 309.82 | 309.82 | 311.5 | 306.93 | 649,155 |
| August 28, 2026 | 315.96 | 310.76 | 310.76 | 319.54 | 306.12 | 416,127 |
| August 27, 2026 | 313.17 | 313.05 | 313.05 | 315.6 | 306.9 | 644,264 |
| August 26, 2026 | 303.98 | 314.39 | 314.39 | 315.65 | 303 | 450,500 |
| August 25, 2026 | 312.51 | 302.29 | 302.29 | 313.45 | 295.75 | 1.18M |
| August 24, 2026 | 312.36 | 310.8 | 310.8 | 316.39 | 309.46 | 296,617 |
| August 21, 2026 | 315.19 | 311.94 | 311.94 | 318.34 | 311.32 | 435,508 |
| August 20, 2026 | 313.26 | 314.45 | 314.45 | 320.12 | 312.05 | 296,580 |
| August 19, 2026 | 318.99 | 319.64 | 319.64 | 323.89 | 315.88 | 402,515 |
| August 18, 2026 | 311 | 313.65 | 313.65 | 316.19 | 309.74 | 348,385 |
| August 17, 2026 | 311.57 | 311.86 | 311.86 | 313.57 | 308.68 | 413,918 |
| August 14, 2026 | 310.48 | 313.06 | 313.06 | 313.81 | 308.5 | 261,591 |
| August 13, 2026 | 311.91 | 311.6 | 311.6 | 314.38 | 309.09 | 347,487 |
| August 12, 2026 | 322.01 | 309.41 | 309.41 | 322.01 | 307.34 | 764,185 |
| August 11, 2026 | 327.65 | 318.91 | 318.91 | 329.48 | 317.89 | 471,365 |
| August 10, 2026 | 329.77 | 326.71 | 326.71 | 334.39 | 324.45 | 316,320 |
| August 07, 2026 | 321.22 | 330.1 | 330.1 | 333.53 | 321 | 564,483 |
| August 06, 2026 | 331.63 | 321.02 | 321.02 | 333.99 | 320.95 | 537,283 |
| August 05, 2026 | 333.33 | 333.12 | 333.12 | 335.92 | 331.53 | 247,777 |
| August 04, 2026 | 319.93 | 335.07 | 335.07 | 336.44 | 318.44 | 516,820 |
| August 03, 2026 | 314.06 | 318.01 | 318.01 | 321 | 313.91 | 597,507 |
| July 31, 2026 | 310 | 309.3 | 309.3 | 312.85 | 305 | 659,896 |
| July 30, 2026 | 319.42 | 310.73 | 310.73 | 320.79 | 300.66 | 1.11M |
| July 29, 2026 | 343.18 | 320.02 | 320.02 | 343.18 | 307.18 | 2M |
| July 28, 2026 | 364.37 | 367.51 | 367.51 | 371.54 | 361.49 | 601,974 |
| July 27, 2026 | 364.52 | 364.37 | 364.37 | 369.34 | 363.07 | 241,635 |
| July 24, 2026 | 359.5 | 362.01 | 362.01 | 368.42 | 356.47 | 330,027 |
| July 23, 2026 | 365.25 | 359.85 | 359.85 | 365.25 | 357.13 | 336,572 |
| July 22, 2026 | 371.1 | 362 | 362 | 373.27 | 351.79 | 756,231 |
| July 21, 2026 | 372.15 | 372.96 | 372.96 | 375.52 | 364.36 | 340,478 |
| July 20, 2026 | 371.47 | 370.77 | 370.77 | 374.33 | 364.79 | 326,083 |
| July 17, 2026 | 382.25 | 371.91 | 371.91 | 387.14 | 368.11 | 354,364 |
| July 16, 2026 | 381.37 | 385.16 | 385.16 | 392.6 | 379.5 | 345,889 |
| July 15, 2026 | 394.41 | 387.24 | 387.24 | 394.41 | 383.93 | 357,604 |
| July 14, 2026 | 397.97 | 395.29 | 395.29 | 400.09 | 389.02 | 271,661 |
| July 13, 2026 | 386.02 | 393.71 | 393.71 | 394.6 | 384.12 | 363,082 |
| July 10, 2026 | 378.82 | 383.86 | 383.86 | 389.07 | 378.08 | 268,315 |
| July 09, 2026 | 380.87 | 377.73 | 377.73 | 383.55 | 374.62 | 384,911 |
| July 08, 2026 | 385.01 | 380.22 | 380.22 | 385.14 | 375.76 | 262,429 |
| July 07, 2026 | 402.09 | 389.44 | 389.44 | 402.09 | 385.31 | 285,597 |
| July 06, 2026 | 404.25 | 399.06 | 399.06 | 406.56 | 398.12 | 383,608 |
| July 02, 2026 | 406.73 | 404.71 | 404.71 | 411.87 | 395.82 | 300,327 |
| July 01, 2026 | 416.53 | 407.62 | 407.62 | 417.68 | 404.81 | 391,185 |
| June 30, 2026 | 413.85 | 416.73 | 416.73 | 420.9 | 410.54 | 379,662 |
| June 29, 2026 | 407.58 | 410.6 | 410.6 | 412.54 | 406.39 | 267,276 |
| June 26, 2026 | 409 | 410.74 | 410.74 | 415.15 | 407.06 | 571,164 |
| June 25, 2026 | 401.75 | 412.19 | 412.19 | 418.72 | 400.38 | 373,483 |
| June 24, 2026 | 391.67 | 400.98 | 400.98 | 402.68 | 391.5 | 292,573 |
| June 23, 2026 | 390.66 | 387.72 | 387.72 | 393 | 386.22 | 322,394 |
| June 22, 2026 | 399.35 | 397.16 | 397.16 | 402.08 | 393.31 | 452,895 |
| June 18, 2026 | 390.24 | 401.04 | 401.04 | 401.34 | 388.38 | 524,105 |
| June 17, 2026 | 388.34 | 384.38 | 384.38 | 395.99 | 380.83 | 264,085 |