SSTI · Soundthinking, Inc.

Track SSTI — free Ask ALVIS about SSTI

$8.44 -0.05 (-0.59%) At close · Jul 29

Market Cap

$108.29M

12.95M

Options Chain

15-min delayed Underlying $8.44 · today Options Calculator

Positioning

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

Put / call OI

0.11

Call-heavy positioning

Open interest

573

contracts outstanding

Volume

395

traded today

Max pain

$7.50

$0.94 below spot

ATM implied vol

92%

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 Oct 16 78d Jan 15 169d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	372.3%	0.961	—		—	—	—	—	0
Call · $2.5 In the money Last — Breakeven — Implied vol 372.3% Delta 0.961 ≈96% ITM Gamma 0.011 Theta -0.015 Vega 0.002 Open interest 0 Model this call Put · $2.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	194.8%	0.905	—		$0.05	—	—	20	50
Call · $5 In the money Last — Breakeven — Implied vol 194.8% Delta 0.905 ≈91% ITM Gamma 0.042 Theta -0.016 Vega 0.004 Open interest 0 Model this call Put · $5 Last $0.05 Breakeven $4.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 50 Model this put
350	350	91.8%	0.725	$1.15		$0.40	-0.276	92.1%	1	6
Call · $7.5 In the money Last $1.15 Breakeven $8.65 Implied vol 91.8% Delta 0.725 ≈72% ITM Gamma 0.175 Theta -0.015 Vega 0.007 Open interest 350 Model this call Put · $7.5 Last $0.40 Breakeven $7.10 Implied vol 92.1% Delta -0.276 ≈28% ITM Gamma 0.175 Theta -0.014 Vega 0.007 Open interest 6 Model this put
Underlying $8.44
163	20	119.8%	0.331	$0.45		—	-0.685	114%	—	0
Call · $10 Last $0.45 Breakeven $10.45 Implied vol 119.8% Delta 0.331 ≈33% ITM Gamma 0.145 Theta -0.02 Vega 0.008 Open interest 163 Model this call Put · $10 In the money Last — Breakeven — Implied vol 114% Delta -0.685 ≈68% ITM Gamma 0.151 Theta -0.018 Vega 0.008 Open interest 0 Model this put
4	4	135.1%	0.155	$0.45		—	—	—	—	0
Call · $12.5 Last $0.45 Breakeven $12.95 Implied vol 135.1% Delta 0.155 ≈15% ITM Gamma 0.085 Theta -0.015 Vega 0.004 Open interest 4 Model this call Put · $12.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $15 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $15 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	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 — Delta — Gamma — Theta — Vega — 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 1351636 CUSIP 82536T107 13F (30d) 12 filings 12 filers Visit website Investor relations