MEDIFAST INC (MED) Options Chain

NYSE: MEDConsumer StaplesPackaged FoodsUSD

11.61+0.18 (+1.57%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $11.61
Put/call ratio (OI): 0.15
Put/call ratio (volume): 0.07
ATM implied volatility: 51.5%
Expected move: ±$2.58
Open interest (C / P): 4.26K / 627

MED options summary

The MED options chain for the December 18, 2026 expiration lists 6 call and 3 put contracts, with 68 days until expiration. Open interest stands at 4,256 calls and 627 puts, a put/call ratio of 0.15, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $12.50 strike is 51.5%, which implies the market expects a move of about ±$2.58 (22.2%) in MEDIFAST INC stock by expiration.

The most open interest sits at the $10.00 call (2.66K contracts) and the $10.00 put (313 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

MED options chain · December 18, 2026

MED calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
2,664	100	56.9%	1.80	1.80	2.05	10.00	0.15	0.35	0.30	51.0%	5	313
MED $11.61
608	100	52.5%	0.51	0.45	0.70	12.50	0.90	1.55	1.10	50.5%	1	259
975	20	57.0%	0.12	0.05	0.25	15.00	1.50	4.50	4.65	108.0%	10	55
3	1	87.5%	0.24	0.00	0.75	17.50	—	—	—	—	—	—
3	—	104.5%	0.05	0.00	0.75	20.00	—	—	—	—	—	—
3	3	130.7%	0.05	0.00	0.75	25.00	—	—	—	—	—	—

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 MED put/call ratio?

For the December 18, 2026 expiration, the MED put/call ratio based on open interest is 0.15 (627 puts vs 4,256 calls), and 0.07 based on today's volume. A ratio above 1 means more puts than calls.

What is MED's implied volatility?

At-the-money implied volatility for MED options expiring December 18, 2026 is about 51.5%, an annualized estimate of how much the market expects MEDIFAST INC stock to move.

How many MED option expiration dates are there?

MED 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.