161.97 USD
↘ 7.38 (4.36%)PRE MARKET (AS OF 05:29 AM EDT)
RMBS Stock Premarket
Rambus Inc
RMBSNASDAQ • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
RMBS Premarket Chart
RMBS Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, RMBS has had 32 qualifying gap events (gaps of 5% or more at the open) — 17 gap-ups and 15 gap-downs. Gap-ups averaged +6.8%, 53% have fully filled, median time to fill 3 trading days. Gap-downs averaged -8%, 80% have fully filled, median time to fill 6 trading days. Most recent: a +6% gap up on May 6, 2026, still unfilled. RMBS has 2 unfilled gaps from the past 60 days; the largest is a +6.7% gap up on Apr 8, 2026, currently 28% retraced. Average 20-trading-day return after a RMBS gap up: +5.56%. After a gap down: +4.47%.
Gap Ups17 events
Fill Rate
52.9%
Avg Gap
6.8%
Avg 50% Fill
1d
Avg Fill
3d
Gap Downs15 events
Fill Rate
80.0%
Avg Gap
8.0%
Avg 50% Fill
3.5d
Avg Fill
6d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 82% | 94% | 94% | 100% |
| fills 50% | 47% | 65% | 82% | 88% |
| fills 75% | 24% | 35% | 47% | 59% |
| fills 100% | 18% | 29% | 35% | 41% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 60% | 73% | 87% | 93% |
| fills 50% | 40% | 60% | 80% | 87% |
| fills 75% | 27% | 60% | 67% | 80% |
| fills 100% | 20% | 40% | 60% | 73% |
Active Unfilled Gaps (past 60 days)
31 days ago
2026-05-06
Gap %
+6.01%
Gap From
$118.00
% vs Current
-30.32%
retraced 93% to $118.47
59 days ago
2026-04-08
Gap %
+6.67%
Gap From
$91.87
% vs Current
-45.75%
retraced 28% to $96.26
Complete Gap History — 32 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2026-05-06 | $118.00 | +6.01% | Open | 1d | — | 58% | 58% | 93% | 93% |
| 2026-04-28 | $141.31 | -17.56% | Filled | 7d | 18d | 22% | 22% | 73% | 100% |
| 2026-04-24 | $138.50 | +8.06% | Filled | 2d | 3d | 22% | 100% | 100% | 100% |
| 2026-04-08 | $91.87 | +6.67% | Open | — | — | 28% | 28% | 28% | 28% |
| 2026-03-03 | $98.88 | -5.06% | Filled | 10d | 26d | 48% | 48% | 89% | 89% |
| 2026-02-05 | $100.84 | -5.00% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-01-22 | $125.93 | +5.61% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-01-21 | $110.10 | +9.73% | Filled | 3d | 10d | 8% | 76% | 100% | 100% |
| 2025-12-18 | $90.61 | +5.03% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-11-20 | $90.22 | +5.32% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-10-28 | $113.61 | -14.79% | Filled | 1d | 10d | 65% | 98% | 100% | 100% |
| 2025-10-13 | $89.57 | +6.73% | Filled | 8d | 25d | 45% | 45% | 60% | 60% |
| 2025-07-29 | $64.24 | +5.85% | Open | 1d | — | 72% | 72% | 72% | 72% |
| 2025-05-12 | $51.02 | +8.13% | Open | 10d | — | 39% | 39% | 60% | 73% |
| 2025-04-23 | $44.28 | +6.07% | Open | — | — | 41% | 41% | 41% | 41% |
| 2025-04-10 | $52.29 | -5.95% | Filled | 11d | 12d | 8% | 8% | 59% | 100% |
| 2025-04-07 | $43.13 | -6.06% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2025-04-04 | $46.15 | -5.98% | Filled | 2d | 2d | 40% | 100% | 100% | 100% |
| 2025-04-03 | $52.68 | -6.83% | Filled | 5d | 5d | 13% | 100% | 100% | 100% |
| 2025-01-27 | $62.97 | -5.07% | Filled | 5d | 7d | 13% | 97% | 100% | 100% |
| 2024-11-26 | $56.89 | +6.73% | Filled | 1d | 2d | 92% | 100% | 100% | 100% |
| 2024-11-06 | $50.26 | +9.19% | Open | 8d | — | 29% | 29% | 90% | 90% |
| 2024-09-26 | $38.34 | +6.42% | Open | 6d | — | 34% | 50% | 50% | 50% |
| 2024-08-08 | $40.31 | +5.09% | Filled | 1d | 19d | 60% | 60% | 60% | 100% |
| 2024-08-05 | $42.10 | -7.17% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2024-07-30 | $55.83 | -5.57% | Open | — | — | 4% | 4% | 4% | 4% |
| 2024-02-13 | $58.04 | -5.19% | Filled | 1d | 7d | 51% | 85% | 100% | 100% |
| 2024-02-06 | $68.37 | -8.51% | Open | 18d | — | 0% | 0% | 0% | 54% |
| 2023-08-01 | $62.61 | -16.07% | Open | 24d | — | 32% | 32% | 32% | 44% |
| 2023-05-25 | $57.33 | +7.13% | Filled | 18d | 22d | 15% | 15% | 15% | 98% |
| 2023-02-07 | $43.12 | -5.38% | Filled | 1d | 2d | 78% | 100% | 100% | 100% |
| 2022-11-01 | $30.16 | +7.16% | Open | 1d | — | 53% | 53% | 53% | 53% |
Frequently Asked Questions
What is RMBS's premarket price?
Rambus (RMBS) is trading at $161.97 in premarket, down $7.38 (+4.36%) from the previous close of $169.35.
When does RMBS premarket trading start?
Premarket trading for RMBS on the NASDAQ runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.
How often does RMBS fill its gaps?
Over the past 5 years, 53% of RMBS gap-ups have fully filled and 80% of gap-downs have filled. Median time to fill is 3 trading days for gap-ups and 6 trading days for gap-downs.
Does RMBS have any unfilled gaps?
Yes. RMBS has 2 unfilled gaps from the past 60 days. The largest is a +6.7% gap up from Apr 8, 2026 and is currently 28% retraced.
What's the average return after a RMBS gap?
Based on 32 qualifying gap events over the past 5 years, the average 20-trading-day return after a RMBS gap up is +5.56%, and after a gap down is +4.47%.