SLP · Simulations Plus, Inc.

Track SLP — free Ask ALVIS about SLP

$18.33 +0.00 (+0.00%) At close · Jul 29

Market Cap

$370.72M

20.22M

Options Chain

15-min delayed Underlying $18.33 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 24 contracts

Put / call OI

0.93

Balanced positioning

Open interest

309

contracts outstanding

Volume

131

traded today

Max pain

$17.50

$0.83 below spot

ATM implied vol

21.7%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

12.5

17.5

22.5

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	—	672%	0.979	—		—	—	—	—	0
Call · $2.5 In the money Last — Breakeven — Implied vol 672% Delta 0.979 ≈98% ITM Gamma 0.002 Theta -0.035 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	—	428.7%	0.96	—		—	—	—	—	0
Call · $5 In the money Last — Breakeven — Implied vol 428.7% Delta 0.96 ≈96% ITM Gamma 0.004 Theta -0.038 Vega 0.004 Open interest 0 Model this call Put · $5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	347.8%	0.929	—		—	—	—	—	0
Call · $7.5 In the money Last — Breakeven — Implied vol 347.8% Delta 0.929 ≈93% ITM Gamma 0.008 Theta -0.048 Vega 0.007 Open interest 0 Model this call Put · $7.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	252.2%	0.9	—		—	—	—	—	0
Call · $10 In the money Last — Breakeven — Implied vol 252.2% Delta 0.9 ≈90% ITM Gamma 0.015 Theta -0.046 Vega 0.008 Open interest 0 Model this call Put · $10 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	180.4%	0.86	—		—	—	—	—	0
Call · $12.5 In the money Last — Breakeven — Implied vol 180.4% Delta 0.86 ≈86% ITM Gamma 0.027 Theta -0.042 Vega 0.01 Open interest 0 Model this call Put · $12.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
2	1	86.1%	0.853	$3.34		—	—	—	—	0
Call · $15 In the money Last $3.34 Breakeven $18.34 Implied vol 86.1% Delta 0.853 ≈85% ITM Gamma 0.059 Theta -0.021 Vega 0.011 Open interest 2 Model this call Put · $15 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
19	1	—	—	$0.82		$0.05	-0.179	21.7%	103	139
Call · $17.5 In the money Last $0.82 Breakeven $18.32 Implied vol — Delta — Gamma — Theta — Vega — Open interest 19 Model this call Put · $17.5 Last $0.05 Breakeven $17.45 Implied vol 21.7% Delta -0.179 ≈18% ITM Gamma 0.267 Theta -0.005 Vega 0.011 Open interest 139 Model this put
Underlying $18.33
124	2	28.1%	0.12	$0.02		$1.60	-0.623	82.7%	10	10
Call · $20 Last $0.02 Breakeven $20.02 Implied vol 28.1% Delta 0.12 ≈12% ITM Gamma 0.156 Theta -0.006 Vega 0.009 Open interest 124 Model this call Put · $20 In the money Last $1.60 Breakeven $18.40 Implied vol 82.7% Delta -0.623 ≈62% ITM Gamma 0.102 Theta -0.031 Vega 0.017 Open interest 10 Model this put
13	13	—	—	$0.23		—	-0.724	112.8%	—	0
Call · $22.5 Last $0.23 Breakeven $22.73 Implied vol — Delta — Gamma — Theta — Vega — Open interest 13 Model this call Put · $22.5 In the money Last — Breakeven — Implied vol 112.8% Delta -0.724 ≈72% ITM Gamma 0.067 Theta -0.037 Vega 0.017 Open interest 0 Model this put
0	—	—	—	—		—	-0.771	135.8%	—	0
Call · $25 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $25 In the money Last — Breakeven — Implied vol 135.8% Delta -0.771 ≈77% ITM Gamma 0.049 Theta -0.04 Vega 0.014 Open interest 0 Model this put
0	—	—	—	—		—	-0.854	158.2%	—	0
Call · $30 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $30 In the money Last — Breakeven — Implied vol 158.2% Delta -0.854 ≈85% ITM Gamma 0.032 Theta -0.035 Vega 0.01 Open interest 0 Model this put
2	1	—	—	$0.25		—	-0.871	190.6%	—	0
Call · $35 Last $0.25 Breakeven $35.25 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this call Put · $35 In the money Last — Breakeven — Implied vol 190.6% Delta -0.871 ≈87% ITM Gamma 0.025 Theta -0.038 Vega 0.011 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 1023459 CUSIP 829214105 13F (30d) 42 filings 33 filers Visit website