329.25 USD
AT CLOSE
WSO.B Stock After Hours
Watsco, Inc. Class B
WSO.BNYSE • USD
Market: OPEN
After-hours trading runs 4:00 PM – 8:00 PM ET.
WSO.B After Hours Chart
WSO.B After Hours News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, WSO.B has had 13 qualifying gap events (gaps of 5% or more at the open) — 9 gap-ups and 4 gap-downs. Gap-ups averaged +8.4%, 89% have fully filled, median time to fill 6 trading days. Gap-downs averaged -7.7%, 50% have fully filled, median time to fill 2.5 trading days. Most recent: a -5.4% gap down on Aug 18, 2026, still unfilled. Average 20-trading-day return after a WSO.B gap up: +2.14%. After a gap down: +29.68%.
Gap Ups9 events
Fill Rate
88.9%
Avg Gap
8.4%
Avg 50% Fill
3d
Avg Fill
6d
Gap Downs4 events
Fill Rate
50.0%
Avg Gap
7.7%
Avg 50% Fill
3d
Avg Fill
2.5d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 0% | 89% | 100% | 100% |
| fills 50% | 0% | 78% | 100% | 100% |
| fills 75% | 0% | 67% | 78% | 78% |
| fills 100% | 0% | 44% | 67% | 67% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 0% | 100% | 100% | 100% |
| fills 50% | 0% | 50% | 75% | 75% |
| fills 75% | 0% | 50% | 75% | 75% |
| fills 100% | 0% | 50% | 50% | 50% |
Complete Gap History — 13 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2026-08-18 | $328.83 | -5.42% | Open | 8d | — | 15% | 28% | 99% | 99% |
| 2026-07-29 | $363.47 | -11.81% | Open | — | — | 0% | 35% | 35% | 35% |
| 2025-12-31 | $356.95 | -5.07% | Filled | 2d | 2d | 0% | 100% | 100% | 100% |
| 2025-05-06 | $447.21 | +6.00% | Filled | 3d | 4d | 0% | 100% | 100% | 100% |
| 2025-02-18 | $483.79 | +9.44% | Filled | 3d | 8d | 0% | 80% | 100% | 100% |
| 2024-11-07 | $470.90 | +10.21% | Filled | 4d | 4d | 0% | 100% | 100% | 100% |
| 2024-09-13 | $455.90 | +6.38% | Filled | 8d | 26d | 0% | 48% | 52% | 72% |
| 2023-12-15 | $390.00 | +8.27% | Filled | 4d | 45d | 0% | 97% | 97% | 97% |
| 2023-02-17 | $298.69 | +7.28% | Filled | 2d | 4d | 0% | 100% | 100% | 100% |
| 2023-02-09 | $316.32 | -8.58% | Filled | 3d | 3d | 23% | 100% | 100% | 100% |
| 2023-02-02 | $274.75 | +15.13% | Open | 2d | — | 0% | 65% | 65% | 65% |
| 2022-11-01 | $265.72 | +7.24% | Filled | 3d | 3d | 0% | 100% | 100% | 100% |
| 2022-03-01 | $259.38 | +5.25% | Filled | 8d | 8d | 0% | 0% | 100% | 100% |
Frequently Asked Questions
What is WSO.B's after-hours price?
Wats (WSO.B) has no recorded after-hours trades for the latest session. Its regular-session close was $329.25. After-hours quotes appear here when the stock trades between 4:00 PM and 8:00 PM ET.
When does WSO.B after-hours trading start and end?
After-hours trading in WSO.B on the NYSE runs from 4:00 PM to 8:00 PM ET on trading days, immediately after the regular session closes. Not every broker offers the full window, and liquidity thins sharply after about 6:30 PM ET.
Will WSO.B's after-hours move hold at the open?
An after-hours move that carries into the next session becomes an opening gap, and WSO.B's gap history is the best guide to what happens next: 89% of WSO.B gap-ups have fully filled, and 50% of gap-downs have filled over the past 5 years. Fill rates this high mean a large after-hours move is more often faded than extended.