RHI · Robert Half Inc.

Track RHI — free Ask ALVIS about RHI

$40.68 +0.13 (+0.32%) At close · Aug 6

Market Cap

$4.15B

102.36M

Options Chain

15-min delayed Underlying $40.68 · at close Aug 6, 2026 Options Calculator

Positioning

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

Put / call OI

1.41

Put-heavy positioning

Open interest

5,200

contracts outstanding

Volume

traded today

Max pain

$40.00

$0.68 below spot

ATM implied vol

59.6%

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 14d Sep 18 42d Dec 18 133d Mar 19 224d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	294.2%	0.957	—		$0.30	-0.036	276.6%	1	1
Call · $17.5 In the money Last — Breakeven — Implied vol 294.2% Delta 0.957 ≈96% ITM Gamma 0.004 Theta -0.069 Vega 0.009 Open interest 0 Model this call Put · $17.5 Last $0.30 Breakeven $17.20 Implied vol 276.6% Delta -0.036 ≈4% ITM Gamma 0.004 Theta -0.061 Vega 0.005 Open interest 1 Model this put
0	—	241.5%	0.956	—		$0.35	-0.019	189.7%	1	5
Call · $20 In the money Last — Breakeven — Implied vol 241.5% Delta 0.956 ≈96% ITM Gamma 0.005 Theta -0.058 Vega 0.009 Open interest 0 Model this call Put · $20 Last $0.35 Breakeven $19.65 Implied vol 189.7% Delta -0.019 ≈2% ITM Gamma 0.003 Theta -0.025 Vega 0.003 Open interest 5 Model this put
2	3	205.3%	0.949	$8.90		$0.05	-0.043	193.6%	11	226
Call · $22.5 In the money Last $8.90 Breakeven $31.40 Implied vol 205.3% Delta 0.949 ≈95% ITM Gamma 0.007 Theta -0.055 Vega 0.01 Open interest 2 Model this call Put · $22.5 Last $0.05 Breakeven $22.45 Implied vol 193.6% Delta -0.043 ≈4% ITM Gamma 0.006 Theta -0.05 Vega 0.006 Open interest 226 Model this put
13	2	182.3%	0.932	$13.69		$0.05	-0.019	122.6%	3	92
Call · $25 In the money Last $13.69 Breakeven $38.69 Implied vol 182.3% Delta 0.932 ≈93% ITM Gamma 0.009 Theta -0.062 Vega 0.011 Open interest 13 Model this call Put · $25 Last $0.05 Breakeven $24.95 Implied vol 122.6% Delta -0.019 ≈2% ITM Gamma 0.005 Theta -0.016 Vega 0.003 Open interest 92 Model this put
125	2	134%	0.893	$8.88		$0.12	-0.063	103.7%	1	679
Call · $30 In the money Last $8.88 Breakeven $38.88 Implied vol 134% Delta 0.893 ≈89% ITM Gamma 0.018 Theta -0.065 Vega 0.012 Open interest 125 Model this call Put · $30 Last $0.12 Breakeven $29.88 Implied vol 103.7% Delta -0.063 ≈6% ITM Gamma 0.015 Theta -0.036 Vega 0.012 Open interest 679 Model this put
368	5	93.9%	0.8	$4.72		$0.39	-0.139	68.9%	3	1.1k
Call · $35 In the money Last $4.72 Breakeven $39.72 Implied vol 93.9% Delta 0.8 ≈80% ITM Gamma 0.038 Theta -0.07 Vega 0.02 Open interest 368 Model this call Put · $35 Last $0.39 Breakeven $34.61 Implied vol 68.9% Delta -0.139 ≈14% ITM Gamma 0.04 Theta -0.043 Vega 0.02 Open interest 1.1k Model this put
252	2	71.4%	0.544	$2.25		$1.38	-0.457	47.8%	2	920
Call · $40 In the money Last $2.25 Breakeven $42.25 Implied vol 71.4% Delta 0.544 ≈54% ITM Gamma 0.07 Theta -0.077 Vega 0.032 Open interest 252 Model this call Put · $40 Last $1.38 Breakeven $38.62 Implied vol 47.8% Delta -0.457 ≈46% ITM Gamma 0.104 Theta -0.055 Vega 0.032 Open interest 920 Model this put
Underlying $40.68
664	1	62.7%	0.203	$0.56		$4.80	-0.967	29.9%	1	57
Call · $45 Last $0.56 Breakeven $45.56 Implied vol 62.7% Delta 0.203 ≈20% ITM Gamma 0.056 Theta -0.048 Vega 0.022 Open interest 664 Model this call Put · $45 In the money Last $4.80 Breakeven $40.20 Implied vol 29.9% Delta -0.967 ≈97% ITM Gamma 0.028 Theta -0.009 Vega 0.004 Open interest 57 Model this put
234	3	71.7%	0.071	$0.10		$9.30	—	—	1	10
Call · $50 Last $0.10 Breakeven $50.10 Implied vol 71.7% Delta 0.071 ≈7% ITM Gamma 0.024 Theta -0.027 Vega 0.009 Open interest 234 Model this call Put · $50 In the money Last $9.30 Breakeven $40.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 10 Model this put
0	—	109.8%	0.091	—		—	—	—	—	0
Call · $55 Last — Breakeven — Implied vol 109.8% Delta 0.091 ≈9% ITM Gamma 0.019 Theta -0.05 Vega 0.016 Open interest 0 Model this call Put · $55 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
501	1	134.2%	0.084	$0.30		—	—	—	—	0
Call · $60 Last $0.30 Breakeven $60.30 Implied vol 134.2% Delta 0.084 ≈8% ITM Gamma 0.014 Theta -0.057 Vega 0.01 Open interest 501 Model this call Put · $60 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 315213 CUSIP 770323103 13F (30d) 191 filings 174 filers Visit website Investor relations