Ribbon Communications (RBBN) Options Chain
NASDAQ: RBBNTechnologyEDP ServicesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 15, 2027
- Days to expiration
- 96
- Share price
- $1.70
- Put/call ratio (OI)
- 0.02
- Put/call ratio (volume)
- 0.25
- ATM implied volatility
- 143.9%
- Expected move
- ±$1.25
- Open interest (C / P)
- 909 / 17
RBBN options summary
The RBBN options chain for the January 15, 2027 expiration lists 3 call and 1 put contracts, with 96 days until expiration. Open interest stands at 909 calls and 17 puts, a put/call ratio of 0.02, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.50 strike is 143.9%, which implies the market expects a move of about ±$1.25 (73.8%) in Ribbon Communications stock by expiration.
The most open interest sits at the $2.50 call (540 contracts) and the $2.50 put (17 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
RBBN options chain · January 15, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.13 | 0.05 | 0.20 | 2.50 | 0.05 | 1.25 | 0.95 | |||||
| 0.05 | 0.00 | 0.20 | 5.00 | — | — | — | |||||
| 0.10 | 0.00 | 0.15 | 7.50 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the RBBN put/call ratio?
For the January 15, 2027 expiration, the RBBN put/call ratio based on open interest is 0.02 (17 puts vs 909 calls), and 0.25 based on today's volume. A ratio above 1 means more puts than calls.
What is RBBN's implied volatility?
At-the-money implied volatility for RBBN options expiring January 15, 2027 is about 143.9%, an annualized estimate of how much the market expects Ribbon Communications stock to move.
How many RBBN option expiration dates are there?
RBBN has 3 listed expiration dates, from Oct 16, 2026 to Apr 16, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.