Research Frontiers (REFR) Options Chain
NASDAQ: REFRMiscellaneousMulti-Sector CompaniesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $0.5933
- Put/call ratio (OI)
- 0.00
- Put/call ratio (volume)
- 0.00
- ATM implied volatility
- 278.1%
- Expected move
- ±$0.7122
- Open interest (C / P)
- 182 / 0
REFR options summary
The REFR options chain for the December 18, 2026 expiration lists 3 call and 0 put contracts, with 68 days until expiration. Open interest stands at 182 calls and 0 puts, a put/call ratio of 0.00, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.50 strike is 278.1%, which implies the market expects a move of about ±$0.7122 (120.0%) in Research Frontiers stock by expiration.
Summary generated from market data by MetaCap's automated system. Methodology
REFR options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.05 | 0.00 | 0.15 | 2.50 | — | — | — | |||||
| 0.05 | 0.00 | 0.75 | 5.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.00 | 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 REFR put/call ratio?
For the December 18, 2026 expiration, the REFR put/call ratio based on open interest is 0.00 (0 puts vs 182 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is REFR's implied volatility?
At-the-money implied volatility for REFR options expiring December 18, 2026 is about 278.1%, an annualized estimate of how much the market expects Research Frontiers stock to move.
How many REFR option expiration dates are there?
REFR has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 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.