HealthStream (HSTM) Options Chain
NASDAQ: HSTMTechnologyComputer Software: Programming Data ProcessingUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $33.13
- Put/call ratio (OI)
- 0.20
- Put/call ratio (volume)
- 0.20
- Expected move
- ±$10.91
- Open interest (C / P)
- 15 / 3
HSTM options summary
The HSTM options chain for the December 18, 2026 expiration lists 5 call and 3 put contracts, with 68 days until expiration. Open interest stands at 15 calls and 3 puts, a put/call ratio of 0.20, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $35.00 strike is 76.3%, which implies the market expects a move of about ±$10.91 (32.9%) in HealthStream stock by expiration.
The most open interest sits at the $25.00 call (6 contracts) and the $20.00 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
HSTM options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 20.00 | 0.00 | 3.00 | 1.30 | |||||
| 5.20 | 3.00 | 7.50 | 22.50 | 0.00 | 4.80 | 2.20 | |||||
| 4.90 | 6.90 | 9.00 | 25.00 | — | — | — | |||||
| 1.70 | 2.55 | 6.50 | 30.00 | — | — | — | |||||
| 1.00 | 0.00 | 2.85 | 35.00 | 4.00 | 8.50 | 6.90 | |||||
| 1.50 | 0.00 | 1.65 | 40.00 | — | — | — | |||||
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 HSTM put/call ratio?
For the December 18, 2026 expiration, the HSTM put/call ratio based on open interest is 0.20 (3 puts vs 15 calls), and 0.20 based on today's volume. A ratio above 1 means more puts than calls.
What is HSTM's implied volatility?
At-the-money implied volatility for HSTM options expiring December 18, 2026 is about 76.3%, an annualized estimate of how much the market expects HealthStream stock to move.
How many HSTM option expiration dates are there?
HSTM has 3 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.