91.78 USD
↗ 1.75 (1.94%)PRE MARKET (AS OF 08:47 AM EDT)
RMBS Stock Premarket
Rambus Inc
RMBSNASDAQ • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
RMBS is trading at $91.78 in premarket, up $1.75 (1.94%) from its previous close of $90.03.
📅 RMBS is expected to report earnings around Oct 26, 2026 after the close (estimated), with an estimated EPS of $0.78. RMBS earnings details →
RMBS Premarket Chart
RMBS Premarket News
Gap Analytics — 5-year history, 5% minimum gap
Over the past 5 years, RMBS has had 42 qualifying gap events (gaps of 5% or more at the open) — 23 gap-ups and 19 gap-downs. Gap-ups averaged +6.6%, 70% have fully filled, median time to fill 2.5 trading days. Gap-downs averaged -7.6%, 74% have fully filled, median time to fill 5.5 trading days. Most recent: a +5.4% gap up on Aug 4, 2026, which filled in 11 trading days. Average 20-trading-day return after a RMBS gap up: -1.1%. After a gap down: +0.92%.
Gap Ups23 events
Fill Rate
69.6%
Avg Gap
6.6%
Avg 50% Fill
1d
Avg Fill
2.5d
Gap Downs19 events
Fill Rate
73.7%
Avg Gap
7.6%
Avg 50% Fill
3d
Avg Fill
5.5d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 83% | 96% | 96% | 100% |
| fills 50% | 52% | 74% | 87% | 91% |
| fills 75% | 26% | 48% | 61% | 70% |
| fills 100% | 22% | 43% | 52% | 57% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 63% | 74% | 84% | 89% |
| fills 50% | 37% | 58% | 74% | 79% |
| fills 75% | 26% | 58% | 63% | 74% |
| fills 100% | 21% | 42% | 58% | 68% |
Complete Gap History — 42 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 23 days ago | $92.21 | +5.37% | Filled | 3d | 11d | 8% | 68% | 100% | 100% |
| 30 days ago | $96.42 | -5.50% | Filled | 4d | 6d | 26% | 100% | 100% | 100% |
| 2026-07-21 | $100.85 | +6.59% | Filled | 1d | 3d | 56% | 100% | 100% | 100% |
| 2026-07-17 | $101.42 | -6.01% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-07-09 | $109.64 | +6.29% | Filled | 2d | 2d | 44% | 100% | 100% | 100% |
| 2026-06-25 | $124.52 | +6.04% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-06-23 | $140.35 | -7.51% | Open | — | — | 37% | 37% | 37% | 37% |
| 2026-06-15 | $146.56 | +5.77% | Filled | 1d | 1d | 100% | 100% | 100% | 100% |
| 2026-06-08 | $145.31 | +6.15% | Filled | 1d | 2d | 55% | 100% | 100% | 100% |
| 2026-06-05 | $169.35 | -5.16% | Open | — | — | 14% | 14% | 14% | 14% |
| 2026-05-06 | $118.00 | +6.01% | Filled | 1d | 36d | 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 $91.78 in premarket, up $1.75 (1.94%) from the previous close of $90.03.
Why is RMBS moving in premarket?
Rambus (RMBS) is up 1.94% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest RMBS premarket headlines and gap history below for the likely catalyst.
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, 70% of RMBS gap-ups have fully filled and 74% 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?
No. RMBS has no unfilled gap events from the past 60 days; all recent gaps have been filled.
What's the average return after a RMBS gap?
Based on 42 qualifying gap events over the past 5 years, the average 20-trading-day return after a RMBS gap up is -1.1%, and after a gap down is +0.92%.
When does RMBS report earnings?
RMBS is expected to report earnings around Oct 26, 2026 after the close (estimated), with an estimated EPS of $0.78.