101.10 USD
↗ 15.37 (17.95%)PRE MARKET (AS OF Fri 09:29 AM EDT)
RMBS Stock Premarket
Rambus Inc
RMBSNASDAQ • USD
Market: CLOSED
Premarket trading runs 4:00 AM – 9:30 AM ET.
RMBS last traded at $101.10 in premarket, up $15.37 (17.95%) from its previous close of $85.73. Historically, 21% of RMBS gap-ups of 5% or more have fully filled within one trading day.
📅 RMBS is expected to report earnings around Oct 26, 2026 after the close (estimated), with an estimated EPS of $0.79. 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 45 qualifying gap events (gaps of 5% or more at the open) — 24 gap-ups and 21 gap-downs. Gap-ups averaged +6.5%, 71% have fully filled, median time to fill 3 trading days. Gap-downs averaged -7.4%, 71% have fully filled, median time to fill 5 trading days. Most recent: a -5.1% gap down 2 days ago, still unfilled. RMBS has 1 unfilled gap from the past 60 days — a -5.1% gap down on Oct 22, 2026, currently 51% retraced. Average 20-trading-day return after a RMBS gap up: -1.63%. After a gap down: +2.08%.
Gap Ups24 events
Fill Rate
70.8%
Avg Gap
6.5%
Avg 50% Fill
1d
Avg Fill
3d
Gap Downs21 events
Fill Rate
71.4%
Avg Gap
7.4%
Avg 50% Fill
2.5d
Avg Fill
5d
Avg Gap Fill by Timeframes
Gap Ups
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 79% | 96% | 96% | 100% |
| fills 50% | 50% | 75% | 88% | 92% |
| fills 75% | 25% | 50% | 63% | 71% |
| fills 100% | 21% | 46% | 54% | 58% |
Gap Downs
| 1 day | 1 week | 2 week | 4 week | |
|---|---|---|---|---|
| fills 25% | 62% | 76% | 86% | 90% |
| fills 50% | 38% | 62% | 76% | 81% |
| fills 75% | 24% | 57% | 62% | 71% |
| fills 100% | 19% | 43% | 57% | 67% |
Active Unfilled Gaps (past 60 days)
2 days ago
2026-10-22
Gap %
-5.08%
Gap From
$92.80
% vs Current
+8.35%
retraced 51% to $90.50
Complete Gap History — 45 events
| Date | Gap From | Gap % | Status | Days to 50% | Days to Fill | % of Gap Filled After | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 day | 1 week | 2 week | 4 week | ||||||
| 2 days ago | $92.80 | -5.08% | Open | 1d | — | 51% | 51% | 51% | 51% |
| 5 days ago | $87.25 | +5.09% | Filled | 2d | 4d | 23% | 100% | 100% | 100% |
| 2026-09-14 | $86.97 | -6.50% | Filled | 3d | 5d | 19% | 100% | 100% | 100% |
| 2026-08-04 | $92.21 | +5.37% | Filled | 3d | 11d | 8% | 68% | 100% | 100% |
| 2026-07-28 | $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% |
Related: RMBS quote & chart · After hours · Technical analysis · Fundamentals · Earnings · Short interest
Frequently Asked Questions
What is RMBS's premarket price?
Rambus (RMBS) is trading at $101.10 in premarket, up $15.37 (17.95%) from the previous close of $85.73.
Why is RMBS moving in premarket?
Rambus (RMBS) is up 17.95% 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, 71% of RMBS gap-ups have fully filled and 71% of gap-downs have filled. Median time to fill is 3 trading days for gap-ups and 5 trading days for gap-downs.
Does RMBS have any unfilled gaps?
Yes. RMBS has 1 unfilled gap from the past 60 days. The largest is a -5.1% gap down from Oct 22, 2026 and is currently 51% retraced.
What's the average return after a RMBS gap?
Based on 45 qualifying gap events over the past 5 years, the average 20-trading-day return after a RMBS gap up is -1.63%, and after a gap down is +2.08%.
When does RMBS report earnings?
RMBS is expected to report earnings around Oct 26, 2026 after the close (estimated), with an estimated EPS of $0.79.