Heartflow (HTFL) Options Chain
NASDAQ: HTFLHealth CareMedical/Dental InstrumentsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $49.74
- Put/call ratio (OI)
- 0.07
- Put/call ratio (volume)
- 0.61
- Expected move
- ±$14.50
- Open interest (C / P)
- 1.87K / 128
HTFL options summary
The HTFL options chain for the November 20, 2026 expiration lists 7 call and 6 put contracts, with 40 days until expiration. Open interest stands at 1,867 calls and 128 puts, a put/call ratio of 0.07, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $50.00 strike is 88.0%, which implies the market expects a move of about ±$14.50 (29.1%) in Heartflow stock by expiration.
The most open interest sits at the $55.00 call (1.06K contracts) and the $55.00 put (64 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
HTFL options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 35.00 | 0.10 | 1.60 | 0.96 | |||||
| 9.90 | 10.00 | 13.70 | 40.00 | 1.20 | 2.90 | 1.93 | |||||
| 9.40 | 6.70 | 10.40 | 45.00 | 2.55 | 4.90 | 4.70 | |||||
| 5.90 | 4.50 | 6.80 | 50.00 | 4.40 | 7.70 | 5.75 | |||||
| 3.90 | 3.70 | 4.00 | 55.00 | 8.30 | 10.90 | 8.30 | |||||
| 2.25 | 1.30 | 3.80 | 60.00 | — | — | 11.65 | |||||
| 1.30 | 0.75 | 2.30 | 65.00 | — | — | — | |||||
| 0.57 | — | — | 70.00 | — | — | — | |||||
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 HTFL put/call ratio?
For the November 20, 2026 expiration, the HTFL put/call ratio based on open interest is 0.07 (128 puts vs 1,867 calls), and 0.61 based on today's volume. A ratio above 1 means more puts than calls.
What is HTFL's implied volatility?
At-the-money implied volatility for HTFL options expiring November 20, 2026 is about 88.0%, an annualized estimate of how much the market expects Heartflow stock to move.
How many HTFL option expiration dates are there?
HTFL 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.