NSP · Insperity, Inc.

Track NSP — free Ask ALVIS about NSP

$53.18 +0.60 (+1.14%) At close · Jul 29

Market Cap

$2.01B

38.17M

Options Chain

15-min delayed Underlying $53.18 · at close Jul 29, 2026 Options Calculator

Positioning

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

Put / call OI

1.56

Put-heavy positioning

Open interest

341

contracts outstanding

Volume

216

traded today

Max pain

$45.00

$8.18 below spot

ATM implied vol

85.3%

market's expected move

Open interest by strike

Calls Puts

17.5

22.5

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	—	—	—	—		—	-0.025	278.7%	—	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 278.7% Delta -0.025 ≈3% ITM Gamma 0.002 Theta -0.048 Vega 0.007 Open interest 0 Model this put
0	—	182.8%	0.993	—		$0.53	-0.027	241.9%	1	1
Call · $20 In the money Last — Breakeven — Implied vol 182.8% Delta 0.993 ≈99% ITM Gamma 0.001 Theta -0.009 Vega 0.003 Open interest 0 Model this call Put · $20 Last $0.53 Breakeven $19.47 Implied vol 241.9% Delta -0.027 ≈3% ITM Gamma 0.002 Theta -0.044 Vega 0.008 Open interest 1 Model this put
0	—	—	—	—		$0.58	-0.03	215.7%	1	1
Call · $22.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $22.5 Last $0.58 Breakeven $21.92 Implied vol 215.7% Delta -0.03 ≈3% ITM Gamma 0.002 Theta -0.044 Vega 0.009 Open interest 1 Model this put
0	—	171.8%	0.977	—		$0.90	-0.034	192.6%	1	2
Call · $25 In the money Last — Breakeven — Implied vol 171.8% Delta 0.977 ≈98% ITM Gamma 0.002 Theta -0.025 Vega 0.009 Open interest 0 Model this call Put · $25 Last $0.90 Breakeven $24.10 Implied vol 192.6% Delta -0.034 ≈3% ITM Gamma 0.003 Theta -0.043 Vega 0.009 Open interest 2 Model this put
1	1	128.6%	0.976	$18.70		—	-0.045	155.4%	—	0
Call · $30 In the money Last $18.70 Breakeven $48.70 Implied vol 128.6% Delta 0.976 ≈98% ITM Gamma 0.004 Theta -0.019 Vega 0.009 Open interest 1 Model this call Put · $30 Last — Breakeven — Implied vol 155.4% Delta -0.045 ≈5% ITM Gamma 0.005 Theta -0.044 Vega 0.01 Open interest 0 Model this put
0	—	97%	0.969	—		$0.65	-0.08	136.2%	13	144
Call · $35 In the money Last — Breakeven — Implied vol 97% Delta 0.969 ≈97% ITM Gamma 0.006 Theta -0.018 Vega 0.011 Open interest 0 Model this call Put · $35 Last $0.65 Breakeven $34.35 Implied vol 136.2% Delta -0.08 ≈8% ITM Gamma 0.008 Theta -0.06 Vega 0.019 Open interest 144 Model this put
15	1	98.3%	0.901	$7.36		—	-0.085	90.7%	—	0
Call · $40 In the money Last $7.36 Breakeven $47.36 Implied vol 98.3% Delta 0.901 ≈90% ITM Gamma 0.014 Theta -0.048 Vega 0.02 Open interest 15 Model this call Put · $40 Last — Breakeven — Implied vol 90.7% Delta -0.085 ≈8% ITM Gamma 0.013 Theta -0.041 Vega 0.02 Open interest 0 Model this put
30	12	102.3%	0.783	$11.25		$2.00	-0.219	104%	11	19
Call · $45 In the money Last $11.25 Breakeven $56.25 Implied vol 102.3% Delta 0.783 ≈78% ITM Gamma 0.022 Theta -0.087 Vega 0.042 Open interest 30 Model this call Put · $45 Last $2.00 Breakeven $43.00 Implied vol 104% Delta -0.219 ≈22% ITM Gamma 0.022 Theta -0.09 Vega 0.042 Open interest 19 Model this put
36	10	92.1%	0.649	$7.60		$3.20	-0.351	94.7%	134	41
Call · $50 In the money Last $7.60 Breakeven $57.60 Implied vol 92.1% Delta 0.649 ≈65% ITM Gamma 0.031 Theta -0.099 Vega 0.051 Open interest 36 Model this call Put · $50 Last $3.20 Breakeven $46.80 Implied vol 94.7% Delta -0.351 ≈35% ITM Gamma 0.03 Theta -0.103 Vega 0.051 Open interest 41 Model this put
Underlying $53.18
6	2	84%	0.478	$4.77		$3.87	-0.517	86.5%	7	0
Call · $55 Last $4.77 Breakeven $59.77 Implied vol 84% Delta 0.478 ≈48% ITM Gamma 0.036 Theta -0.097 Vega 0.053 Open interest 6 Model this call Put · $55 In the money Last $3.87 Breakeven $51.13 Implied vol 86.5% Delta -0.517 ≈52% ITM Gamma 0.035 Theta -0.101 Vega 0.053 Open interest 0 Model this put
32	16	85.4%	0.324	$2.72		$7.05	-0.692	79.7%	4	0
Call · $60 Last $2.72 Breakeven $62.72 Implied vol 85.4% Delta 0.324 ≈32% ITM Gamma 0.032 Theta -0.089 Vega 0.048 Open interest 32 Model this call Put · $60 In the money Last $7.05 Breakeven $52.95 Implied vol 79.7% Delta -0.692 ≈69% ITM Gamma 0.033 Theta -0.082 Vega 0.048 Open interest 0 Model this put
13	2	99.4%	0.246	$1.22		—	-0.781	89.8%	—	0
Call · $65 Last $1.22 Breakeven $66.22 Implied vol 99.4% Delta 0.246 ≈25% ITM Gamma 0.024 Theta -0.092 Vega 0.038 Open interest 13 Model this call Put · $65 In the money Last — Breakeven — Implied vol 89.8% Delta -0.781 ≈78% ITM Gamma 0.025 Theta -0.077 Vega 0.039 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 1000753 CUSIP 45778Q107 13F (30d) 57 filings 57 filers Visit website Investor relations