Rambus Inc. (RMBS)
NASDAQ: RMBS
· Real-Time Price · USD
69.79
-5.98 (-7.89%)
At close: Aug 19, 2025, 3:59 PM
69.47
-0.46%
Pre-market: Aug 20, 2025, 04:23 AM EDT
RMBS Option Overview
Overview for all option chains of RMBS. As of August 20, 2025, RMBS options have an IV of 49.02% and an IV rank of n/a. The volume is 1,271 contracts, which is 182.35% of average daily volume of 697 contracts. The volume put-call ratio is 0.83, indicating a neutral sentiment in the market.
Implied Volatility
Implied Volatility (30d)
49.02%IV Rank
< 0.01%Historical Volatility
51.33%IV Low
50.63% on Jul 18, 2025IV High
64.43% on Apr 08, 2025Open Interest (OI)
Today's Open Interest
16,013Put-Call Ratio
0.64Put Open Interest
6,275Call Open Interest
9,738Open Interest Avg (30-day)
13,180Today vs Open Interest Avg (30-day)
121.49%Option Volume
Today's Volume
1,271Put-Call Ratio
0.83Put Volume
575Call Volume
696Volume Avg (30-day)
697Today vs Volume Avg (30-day)
182.35%Option Chain Statistics
This table provides a comprehensive overview of all RMBS options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Sep 19, 2025 | 402 | 542 | 1.35 | 1,485 | 772 | 0.52 | 49.02% | 70 |
| Oct 17, 2025 | 30 | 5 | 0.17 | 23 | 19 | 0.83 | 43.21% | 75 |
| Nov 21, 2025 | 185 | 1 | 0.01 | 3,315 | 3,680 | 1.11 | 50.38% | 60 |
| Jan 16, 2026 | 46 | 6 | 0.13 | 3,676 | 1,533 | 0.42 | 49.1% | 57.5 |
| Feb 20, 2026 | 33 | 21 | 0.64 | 1,239 | 271 | 0.22 | 47.73% | 62.5 |