REFR · Research Frontiers Inc

Track REFR — free Ask ALVIS about REFR

$0.46 At close · Jul 27

Market Cap

$16.11M

34.87M

Options Chain

15-min delayed Underlying $0.46 · at close Jul 27, 2026 Options Calculator

Positioning

Aug 21, 2026 · 24 days to expiry · 6 contracts

Put / call OI

0.05

Call-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$2.50

$2.04 above spot

ATM implied vol

792.3%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 24d Sep 18 52d Dec 18 143d Mar 19 234d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
Underlying $0.46
16	3	—	—	$0.05		$2.20	-0.426	792.3%	1	1
Call · $2.5 Last $0.05 Breakeven $2.55 Implied vol — Delta — Gamma — Theta — Vega — Open interest 16 Model this call Put · $2.5 In the money Last $2.20 Breakeven $0.30 Implied vol 792.3% Delta -0.426 ≈43% ITM Gamma 0.401 Theta -0.007 Vega 0 Open interest 1 Model this put
10	1	—	—	$0.05		—	-0.753	637.7%	—	0
Call · $5 Last $0.05 Breakeven $5.05 Implied vol — Delta — Gamma — Theta — Vega — Open interest 10 Model this call Put · $5 In the money Last — Breakeven — Implied vol 637.7% Delta -0.753 ≈75% ITM Gamma 0.426 Theta -0.005 Vega 0 Open interest 0 Model this put
15	1	—	—	$0.07		$7.15	-0.132	1481.1%	1	1
Call · $7.5 Last $0.07 Breakeven $7.57 Implied vol — Delta — Gamma — Theta — Vega — Open interest 15 Model this call Put · $7.5 In the money Last $7.15 Breakeven $0.35 Implied vol 1481.1% Delta -0.132 ≈13% ITM Gamma 0.104 Theta -0.008 Vega 0 Open interest 1 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 793524 CUSIP 760911107 13F (30d) 5 filings 5 filers Visit website Investor relations