HSTM · Healthstream Inc

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$29.54 +0.69 (+2.37%) At close · Jul 29

Market Cap

$862.72M

29.22M

Options Chain

15-min delayed Underlying $29.54 · today Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 14 contracts

Put / call OI

—

No open interest

Open interest

contracts outstanding

Volume

traded today

ATM implied vol

78.4%

market's expected move

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Dec 18 141d Mar 19 232d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	—	—	—		—	—	—	—	0
Call · $15 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $15 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $17.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $17.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	-0.084	129%	—	0
Call · $20 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $20 Last — Breakeven — Implied vol 129% Delta -0.084 ≈8% ITM Gamma 0.016 Theta -0.032 Vega 0.01 Open interest 0 Model this put
0	—	—	—	—		—	-0.108	99.7%	—	0
Call · $22.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $22.5 Last — Breakeven — Implied vol 99.7% Delta -0.108 ≈11% ITM Gamma 0.026 Theta -0.03 Vega 0.017 Open interest 0 Model this put
0	—	48.3%	0.928	—		—	-0.154	72.5%	—	0
Call · $25 In the money Last — Breakeven — Implied vol 48.3% Delta 0.928 ≈93% ITM Gamma 0.038 Theta -0.013 Vega 0.012 Open interest 0 Model this call Put · $25 Last — Breakeven — Implied vol 72.5% Delta -0.154 ≈15% ITM Gamma 0.045 Theta -0.028 Vega 0.018 Open interest 0 Model this put
Underlying $29.54
0	—	78.2%	0.511	—		—	-0.49	78.6%	—	0
Call · $30 Last — Breakeven — Implied vol 78.2% Delta 0.511 ≈51% ITM Gamma 0.07 Theta -0.052 Vega 0.029 Open interest 0 Model this call Put · $30 In the money Last — Breakeven — Implied vol 78.6% Delta -0.49 ≈49% ITM Gamma 0.07 Theta -0.05 Vega 0.029 Open interest 0 Model this put
0	—	66%	0.173	—		—	-0.797	73.5%	—	0
Call · $35 Last — Breakeven — Implied vol 66% Delta 0.173 ≈17% ITM Gamma 0.053 Theta -0.028 Vega 0.021 Open interest 0 Model this call Put · $35 In the money Last — Breakeven — Implied vol 73.5% Delta -0.797 ≈80% ITM Gamma 0.053 Theta -0.032 Vega 0.021 Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown.

Key facts CIK 1095565 CUSIP 42222N103 13F (30d) 43 filings 43 filers Visit website Investor relations