Phathom Pharmaceuticals (PHAT) Options Chain
NASDAQ: PHATHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Jan 15, 2027
- Days to expiration
- 96
- Share price
- $7.25
- Put/call ratio (OI)
- 0.33
- Put/call ratio (volume)
- 0.29
- ATM implied volatility
- 150.5%
- Expected move
- ±$5.60
- Open interest (C / P)
- 312 / 103
PHAT options summary
The PHAT options chain for the January 15, 2027 expiration lists 11 call and 7 put contracts, with 96 days until expiration. Open interest stands at 312 calls and 103 puts, a put/call ratio of 0.33, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $7.50 strike is 150.5%, which implies the market expects a move of about ±$5.60 (77.2%) in Phathom Pharmaceuticals stock by expiration.
The most open interest sits at the $10.00 call (190 contracts) and the $7.50 put (49 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
PHAT options chain · January 15, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 4.28 | 2.50 | 7.00 | 2.50 | 0.00 | 5.00 | 0.45 | |||||
| 6.00 | 4.10 | 8.80 | 5.00 | 0.00 | 3.10 | 0.90 | |||||
| 1.10 | 0.00 | 4.90 | 7.50 | 0.00 | 4.00 | 2.84 | |||||
| 0.50 | 0.00 | 1.75 | 10.00 | 1.30 | 5.50 | 3.78 | |||||
| 0.85 | 0.00 | 1.70 | 12.50 | 3.40 | 8.00 | 5.87 | |||||
| 0.09 | 0.00 | 3.30 | 15.00 | 5.90 | 10.50 | 7.90 | |||||
| 7.15 | 2.00 | 7.00 | 17.50 | — | — | — | |||||
| 0.80 | 0.00 | 0.00 | 20.00 | 7.00 | 12.00 | 9.91 | |||||
| 0.20 | 0.00 | 0.00 | 22.50 | — | — | — | |||||
| 0.05 | 0.00 | 1.00 | 25.00 | — | — | — | |||||
| 4.15 | 0.00 | 5.00 | 30.00 | — | — | — | |||||
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 PHAT put/call ratio?
For the January 15, 2027 expiration, the PHAT put/call ratio based on open interest is 0.33 (103 puts vs 312 calls), and 0.29 based on today's volume. A ratio above 1 means more puts than calls.
What is PHAT's implied volatility?
At-the-money implied volatility for PHAT options expiring January 15, 2027 is about 150.5%, an annualized estimate of how much the market expects Phathom Pharmaceuticals stock to move.
How many PHAT option expiration dates are there?
PHAT has 6 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.
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.