RYTM

Rhythm Pharmaceuticals, Inc.

$114.46 +2.78 (+2.49%) At close · Jul 7

Market Cap

$7.84B

68,532,607

Options Calculator

Theoretical estimate

Estimate what a long-dated option on RYTM could return if you hold it and the stock reaches a target price. Premiums are theoretical Black-Scholes-Merton values — tune the inputs to match your broker, then compare each strike's return against simply holding the shares.

Holding period

2.00 years

Implied volatility (%)

1-year realized volatility. Implied vol usually differs — adjust to your broker's number.Market-wide VIX 16.1.

Risk-free rate (%)

Latest SOFR (2026-07-06) — an overnight rate, a rough proxy over years.

Dividend per share $

Annualizes to a 0% yield. No cash dividends on file — set an amount to model one.

Target price at horizon

Spot $114.46 on 2026-07-07.

Best strike

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Highest estimated return

Return at target

—

— annualized

Breakeven

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Stock price to break even

Hold the stock

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— annualized, with dividends

Return by strike at your target price

Strike ladder

Strike	Moneyness	Premium	Breakeven	Value at target	Return	Annualized	Max loss

Per share; one contract = 100 shares. Premiums are theoretical Black-Scholes-Merton estimates — real options are American-style and priced off an implied-volatility smile, so use your broker's quote for the actual premium. Not investment advice.

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Key facts CIK 1649904 CUSIP 76243J105 13F (30d) 8 filings 7 filers Visit website Investor relations