Rhythm Pharmaceuticals (RYTM) Options Chain
NASDAQ: RYTMHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 17, 2027
- Days to expiration
- 432
- Share price
- $90.78
- Put/call ratio (OI)
- 9.84
- Put/call ratio (volume)
- 0.77
- Expected move
- ±$74.31
- Open interest (C / P)
- 32 / 315
RYTM options summary
The RYTM options chain for the December 17, 2027 expiration lists 12 call and 2 put contracts, with 432 days until expiration. Open interest stands at 32 calls and 315 puts, a put/call ratio of 9.84, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $90.00 strike is 75.2%, which implies the market expects a move of about ±$74.31 (81.9%) in Rhythm Pharmaceuticals stock by expiration.
The most open interest sits at the $90.00 call (9 contracts) and the $90.00 put (294 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
RYTM options chain · December 17, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 44.41 | 0.00 | 0.00 | 55.00 | — | — | — | |||||
| 60.49 | 0.00 | 0.00 | 60.00 | — | — | — | |||||
| 35.28 | 0.00 | 0.00 | 65.00 | — | — | — | |||||
| 27.95 | 0.00 | 0.00 | 85.00 | — | — | — | |||||
| 42.00 | 37.50 | 42.00 | 90.00 | 12.00 | 17.00 | 18.74 | |||||
| 36.80 | 17.00 | 22.00 | 95.00 | — | — | — | |||||
| — | — | — | 100.00 | 19.50 | 24.50 | 17.50 | |||||
| 32.65 | 30.00 | 35.00 | 105.00 | — | — | — | |||||
| 29.20 | 0.00 | 0.00 | 110.00 | — | — | — | |||||
| 31.73 | 0.00 | 0.00 | 115.00 | — | — | — | |||||
| 29.00 | 22.00 | 27.00 | 125.00 | — | — | — | |||||
| 21.50 | 16.00 | 21.00 | 145.00 | — | — | — | |||||
| 14.50 | 10.50 | 15.50 | 150.00 | — | — | — | |||||
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 RYTM put/call ratio?
For the December 17, 2027 expiration, the RYTM put/call ratio based on open interest is 9.84 (315 puts vs 32 calls), and 0.77 based on today's volume. A ratio above 1 means more puts than calls.
What is RYTM's implied volatility?
At-the-money implied volatility for RYTM options expiring December 17, 2027 is about 75.2%, an annualized estimate of how much the market expects Rhythm Pharmaceuticals stock to move.
How many RYTM option expiration dates are there?
RYTM has 7 listed expiration dates, from Oct 16, 2026 to Dec 17, 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.