305.57 USD
↘ 3.18 (1.03%)AFTER HOURS (AS OF Thu 07:59 PM EDT)
TER Stock After Hours
Teradyne, Inc. Common Stock
TERNASDAQ • USD
Market: CLOSED
After-hours trading runs 4:00 PM – 8:00 PM ET.
TER last traded at $305.57 after hours, down $3.18 (1.03%) from its regular-session close of $308.75.
📅 TER is scheduled to report earnings on Oct 27, 2026 after the close (confirmed), with an estimated EPS of $2.05. TER earnings details →
TER After Hours Chart
TER After Hours News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, TER has had 41 qualifying gap events (gaps of 5% or more at the open) — 21 gap-ups and 20 gap-downs. Gap-ups averaged +7.9%, 71% have fully filled, median time to fill 5 trading days. Gap-downs averaged -8.8%, 75% have fully filled, median time to fill 6 trading days. Most recent: a -6.3% gap down 1 day ago, still unfilled. TER has 1 unfilled gap from the past 60 days — a -6.3% gap down on Oct 22, 2026, currently 4% retraced. Average 20-trading-day return after a TER gap up: +5.13%. After a gap down: +4.16%.
Gap Ups21 events
Fill Rate
71.4%
Avg Gap
7.9%
Avg 50% Fill
2d
Avg Fill
5d
Gap Downs20 events
Fill Rate
75.0%
Avg Gap
8.8%
Avg 50% Fill
4d
Avg Fill
6d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 57% | 71% | 71% | 81% |
| fills 50% | 33% | 57% | 62% | 76% |
| fills 75% | 10% | 48% | 52% | 62% |
| fills 100% | 10% | 43% | 48% | 57% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 55% | 75% | 75% | 80% |
| fills 50% | 25% | 50% | 60% | 70% |
| fills 75% | 25% | 50% | 55% | 65% |
| fills 100% | 20% | 45% | 50% | 55% |
Active Unfilled Gaps (past 60 days)
1 day ago
2026-10-22
Gap %
-6.32%
Gap From
$345.49
% vs Current
+11.90%
retraced 4% to $324.44
Complete Gap History — 41 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 1 day ago | $345.49 | -6.32% | Open | — | — | 4% | 4% | 4% | 4% |
| 4 days ago | $325.00 | +5.08% | Filled | 1d | 2d | 52% | 100% | 100% | 100% |
| 2026-09-14 | $379.72 | -8.59% | Filled | 5d | 6d | 7% | 100% | 100% | 100% |
| 2026-08-18 | $443.14 | -5.41% | Filled | 33d | 33d | 23% | 23% | 23% | 23% |
| 2026-08-04 | $365.80 | +6.24% | Filled | 3d | 5d | 25% | 100% | 100% | 100% |
| 2026-07-30 | $319.41 | +8.92% | Filled | 24d | 60d | 12% | 12% | 12% | 12% |
| 2026-07-29 | $320.65 | +14.73% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-07-21 | $333.76 | +8.16% | Filled | 4d | 5d | 18% | 100% | 100% | 100% |
| 2026-07-17 | $322.30 | -5.09% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-07-14 | $341.11 | +6.58% | Filled | 1d | 2d | 73% | 100% | 100% | 100% |
| 2026-07-09 | $351.57 | +7.87% | Filled | 1d | 2d | 67% | 100% | 100% | 100% |
| 2026-07-07 | $379.52 | -6.71% | Filled | 3d | 3d | 27% | 100% | 100% | 100% |
| 2026-06-25 | $427.20 | +6.27% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-06-23 | $457.00 | -10.25% | Filled | 3d | 3d | 40% | 100% | 100% | 100% |
| 2026-06-15 | $403.20 | +5.77% | Filled | 2d | 13d | 15% | 78% | 78% | 100% |
| 2026-06-08 | $357.93 | +5.56% | Filled | 2d | 2d | 47% | 100% | 100% | 100% |
| 2026-04-30 | $306.33 | +6.75% | Filled | 13d | 54d | 1% | 1% | 1% | 85% |
| 2026-04-29 | $380.13 | -17.26% | Filled | 2d | 6d | 31% | 100% | 100% | 100% |
| 2026-04-08 | $320.48 | +7.35% | Filled | 16d | 16d | 17% | 17% | 17% | 100% |
| 2026-04-02 | $312.20 | -7.11% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-03-03 | $325.83 | -5.32% | Filled | 16d | 16d | 14% | 37% | 37% | 100% |
| 2025-10-29 | $144.38 | +17.75% | Open | 17d | — | 31% | 31% | 31% | 72% |
| 2025-10-13 | $132.08 | +5.01% | Open | 2d | — | 32% | 56% | 56% | 56% |
| 2025-09-22 | $119.85 | +5.51% | Open | — | — | 7% | 7% | 7% | 7% |
| 2025-07-30 | $90.55 | +16.76% | Open | — | — | 21% | 22% | 22% | 22% |
| 2025-05-12 | $77.42 | +7.30% | Filled | 8d | 10d | 25% | 47% | 100% | 100% |
| 2025-04-23 | $71.29 | +5.30% | Filled | 1d | 6d | 54% | 100% | 100% | 100% |
| 2025-04-10 | $79.44 | -5.36% | Filled | 10d | 22d | 29% | 29% | 59% | 81% |
| 2025-04-04 | $75.09 | -5.31% | Filled | 2d | 2d | 33% | 100% | 100% | 100% |
| 2025-04-03 | $83.62 | -5.90% | Filled | 27d | 27d | 21% | 35% | 35% | 35% |
| 2025-03-11 | $104.97 | -12.46% | Open | — | — | 19% | 19% | 19% | 19% |
| 2025-01-30 | $122.05 | -16.43% | Open | 1d | — | 77% | 84% | 84% | 93% |
| 2024-10-24 | $124.43 | -5.01% | Filled | 32d | 37d | 2% | 2% | 2% | 2% |
| 2024-08-05 | $117.27 | -5.21% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2024-07-25 | $143.54 | -10.52% | Open | 20d | — | 10% | 21% | 21% | 54% |
| 2024-04-25 | $100.70 | +6.67% | Open | 1d | — | 51% | 51% | 51% | 51% |
| 2024-01-31 | $104.59 | -8.70% | Filled | 8d | 9d | 36% | 36% | 100% | 100% |
| 2022-11-10 | $84.37 | +6.67% | Filled | 27d | 30d | 23% | 26% | 26% | 38% |
| 2022-07-27 | $98.15 | -7.09% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2022-01-27 | $143.37 | -22.91% | Open | 43d | — | 6% | 31% | 36% | 36% |
| 2021-10-28 | $123.07 | +5.63% | Open | — | — | 23% | 23% | 23% | 23% |
Frequently Asked Questions
What is TER's after-hours price?
Teradyne (TER) is trading at $305.57 after hours, down $3.18 (1.03%) from its regular-session close of $308.75.
Why is TER moving after hours?
TER is down 1.03% in after-hours trading. Moves in this session almost always follow something released after the 4:00 PM ET close — an earnings report, guidance, a filing, or news — and trade on far thinner volume than the regular session, so the size of the move can overstate what the market will settle on at the next open.
When does TER after-hours trading start and end?
After-hours trading in TER on the NASDAQ 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 TER's after-hours move hold at the open?
An after-hours move that carries into the next session becomes an opening gap, and TER's gap history is the best guide to what happens next: 71% of TER gap-ups have fully filled, and 75% 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.
When does TER report earnings?
TER is scheduled to report earnings on Oct 27, 2026 after the close (confirmed), with an estimated EPS of $2.05. Earnings are the most common cause of a large after-hours move, since most companies report after the close.