STHO · Star Holdings

Track STHO — free Ask ALVIS about STHO

$9.40 +0.12 (+1.29%) At close · Jul 28

Market Cap

$113.56M

12.08M

Options Chain

15-min delayed Underlying $9.40 · at close Jul 28, 2026 Options Calculator

Positioning

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

Put / call OI

0.14

Call-heavy positioning

Open interest

1,926

contracts outstanding

Volume

310

traded today

Max pain

$7.50

$1.90 below spot

ATM implied vol

79.8%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

12.5

17.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Nov 20 113d Feb 19 204d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	517.8%	0.952	—		—	—	—	—	0
Call · $2.5 In the money Last — Breakeven — Implied vol 517.8% Delta 0.952 ≈95% ITM Gamma 0.008 Theta -0.027 Vega 0.003 Open interest 0 Model this call Put · $2.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	142.3%	0.974	—		—	—	—	—	0
Call · $5 In the money Last — Breakeven — Implied vol 142.3% Delta 0.974 ≈97% ITM Gamma 0.018 Theta -0.005 Vega 0.002 Open interest 0 Model this call Put · $5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
96	48	—	—	$1.85		$0.10	-0.121	81.7%	2	216
Call · $7.5 In the money Last $1.85 Breakeven $9.35 Implied vol — Delta — Gamma — Theta — Vega — Open interest 96 Model this call Put · $7.5 Last $0.10 Breakeven $7.40 Implied vol 81.7% Delta -0.121 ≈12% ITM Gamma 0.107 Theta -0.008 Vega 0.005 Open interest 216 Model this put
Underlying $9.40
1.6k	225	74.5%	0.387	$0.39		$1.85	-0.592	85.1%	17	20
Call · $10 Last $0.39 Breakeven $10.39 Implied vol 74.5% Delta 0.387 ≈39% ITM Gamma 0.225 Theta -0.015 Vega 0.008 Open interest 1.6k Model this call Put · $10 In the money Last $1.85 Breakeven $8.15 Implied vol 85.1% Delta -0.592 ≈59% ITM Gamma 0.201 Theta -0.017 Vega 0.01 Open interest 20 Model this put
1	1	—	—	$0.20		$4.60	-0.651	188.5%	1	1
Call · $12.5 Last $0.20 Breakeven $12.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $12.5 In the money Last $4.60 Breakeven $7.90 Implied vol 188.5% Delta -0.651 ≈65% ITM Gamma 0.085 Theta -0.035 Vega 0.009 Open interest 1 Model this put
17	16	—	—	$0.10		—	-0.694	238%	—	0
Call · $15 Last $0.10 Breakeven $15.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 17 Model this call Put · $15 In the money Last — Breakeven — Implied vol 238% Delta -0.694 ≈69% ITM Gamma 0.064 Theta -0.042 Vega 0.007 Open interest 0 Model this put
0	—	—	—	—		—	-0.718	273.6%	—	0
Call · $17.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $17.5 In the money Last — Breakeven — Implied vol 273.6% Delta -0.718 ≈72% ITM Gamma 0.053 Theta -0.046 Vega 0.008 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. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1953366 CUSIP 85512G106 13F (30d) 13 filings 13 filers Visit website