HST · Host Hotels & Resorts, Inc.

Track HST — free Ask ALVIS about HST

$24.50 +0.54 (+2.23%) At close · Jul 24

Market Cap

$16.78B

684.88M

Options Chain

15-min delayed Underlying $24.50 · today Options Calculator

Positioning

Aug 21, 2026 · 27 days to expiry · 50 contracts

Put / call OI

0.37

Call-heavy positioning

Open interest

16,152

contracts outstanding

Volume

281

traded today

Max pain

$23.28

$1.22 below spot

ATM implied vol

30.9%

market's expected move

Open interest by strike

Calls Puts

11.28

12.28

13.28

14.28

15.28

16.28

17.28

18.28

19.28

20.28

21.28

22.28

23.28

24.28

25.28

26.28

27.28

28.28

29.28

30.28

31.28

32.28

33.28

34.28

35.28

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 27d Sep 18 55d Oct 16 83d Jan 15 174d Jan 21 545d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	186.1%	0.964	—		—	—	—	—	0
Call · $11.28 In the money Last — Breakeven — Implied vol 186.1% Delta 0.964 ≈96% ITM Gamma 0.007 Theta -0.016 Vega 0.004 Open interest 0 Model this call Put · $11.28 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	2	157.6%	0.967	$12.51		—	—	—	—	0
Call · $12.28 In the money Last $12.51 Breakeven $24.79 Implied vol 157.6% Delta 0.967 ≈97% ITM Gamma 0.008 Theta -0.012 Vega 0.004 Open interest 0 Model this call Put · $12.28 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	131.2%	0.973	—		—	—	—	—	0
Call · $13.28 In the money Last — Breakeven — Implied vol 131.2% Delta 0.973 ≈97% ITM Gamma 0.008 Theta -0.008 Vega 0.004 Open interest 0 Model this call Put · $13.28 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	2	171.9%	0.917	$10.50		—	—	—	—	1
Call · $14.28 In the money Last $10.50 Breakeven $24.78 Implied vol 171.9% Delta 0.917 ≈92% ITM Gamma 0.014 Theta -0.03 Vega 0.009 Open interest 1 Model this call Put · $14.28 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
0	2	160.2%	0.904	$9.42		$0.05	—	—	1	2
Call · $15.28 In the money Last $9.42 Breakeven $24.70 Implied vol 160.2% Delta 0.904 ≈90% ITM Gamma 0.016 Theta -0.032 Vega 0.013 Open interest 0 Model this call Put · $15.28 Last $0.05 Breakeven $15.23 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this put
1	4	134.8%	0.904	$8.43		—	—	—	—	0
Call · $16.28 In the money Last $8.43 Breakeven $24.71 Implied vol 134.8% Delta 0.904 ≈90% ITM Gamma 0.02 Theta -0.026 Vega 0.009 Open interest 1 Model this call Put · $16.28 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	129.9%	0.877	—		$0.07	—	—	3	5
Call · $17.28 In the money Last — Breakeven — Implied vol 129.9% Delta 0.877 ≈88% ITM Gamma 0.024 Theta -0.031 Vega 0.015 Open interest 0 Model this call Put · $17.28 Last $0.07 Breakeven $17.21 Implied vol — Delta — Gamma — Theta — Vega — Open interest 5 Model this put
0	—	70.3%	0.952	—		$0.25	-0.056	72.9%	1	4
Call · $18.28 In the money Last — Breakeven — Implied vol 70.3% Delta 0.952 ≈95% ITM Gamma 0.024 Theta -0.007 Vega 0.006 Open interest 0 Model this call Put · $18.28 Last $0.25 Breakeven $18.03 Implied vol 72.9% Delta -0.056 ≈6% ITM Gamma 0.023 Theta -0.01 Vega 0.006 Open interest 4 Model this put
0	—	50.9%	0.972	—		—	-0.125	85.5%	—	3
Call · $19.28 In the money Last — Breakeven — Implied vol 50.9% Delta 0.972 ≈97% ITM Gamma 0.026 Theta -0.003 Vega 0.005 Open interest 0 Model this call Put · $19.28 Last — Breakeven — Implied vol 85.5% Delta -0.125 ≈13% ITM Gamma 0.037 Theta -0.022 Vega 0.016 Open interest 3 Model this put
1	1	59.2%	0.897	$3.84		—	-0.141	70.5%	—	2
Call · $20.28 In the money Last $3.84 Breakeven $24.12 Implied vol 59.2% Delta 0.897 ≈90% ITM Gamma 0.048 Theta -0.012 Vega 0.011 Open interest 1 Model this call Put · $20.28 Last — Breakeven — Implied vol 70.5% Delta -0.141 ≈14% ITM Gamma 0.048 Theta -0.02 Vega 0.016 Open interest 2 Model this put
5	1	49.8%	0.868	$2.38		—	-0.224	79.4%	—	1
Call · $21.28 In the money Last $2.38 Breakeven $23.66 Implied vol 49.8% Delta 0.868 ≈87% ITM Gamma 0.068 Theta -0.012 Vega 0.016 Open interest 5 Model this call Put · $21.28 Last — Breakeven — Implied vol 79.4% Delta -0.224 ≈22% ITM Gamma 0.057 Theta -0.03 Vega 0.021 Open interest 1 Model this put
31	2	36.3%	0.845	$1.84		$0.22	-0.163	36.8%	11	1.7k
Call · $22.28 In the money Last $1.84 Breakeven $24.12 Implied vol 36.3% Delta 0.845 ≈84% ITM Gamma 0.104 Theta -0.009 Vega 0.017 Open interest 31 Model this call Put · $22.28 Last $0.22 Breakeven $22.06 Implied vol 36.8% Delta -0.163 ≈16% ITM Gamma 0.101 Theta -0.012 Vega 0.017 Open interest 1.7k Model this put
3.6k	2	28.5%	0.756	$1.70		$0.40	-0.27	32%	10	33
Call · $23.28 In the money Last $1.70 Breakeven $24.98 Implied vol 28.5% Delta 0.756 ≈76% ITM Gamma 0.173 Theta -0.01 Vega 0.022 Open interest 3.6k Model this call Put · $23.28 Last $0.40 Breakeven $22.88 Implied vol 32% Delta -0.27 ≈27% ITM Gamma 0.156 Theta -0.014 Vega 0.023 Open interest 33 Model this put
1.2k	105	34.2%	0.55	$0.90		$0.65	-0.445	27.6%	66	2.7k
Call · $24.28 In the money Last $0.90 Breakeven $25.18 Implied vol 34.2% Delta 0.55 ≈55% ITM Gamma 0.177 Theta -0.016 Vega 0.026 Open interest 1.2k Model this call Put · $24.28 Last $0.65 Breakeven $23.63 Implied vol 27.6% Delta -0.445 ≈45% ITM Gamma 0.216 Theta -0.014 Vega 0.026 Open interest 2.7k Model this put
Underlying $24.50
6.9k	46	26.4%	0.335	$0.55		$1.29	-0.638	30.8%	5	15
Call · $25.28 Last $0.55 Breakeven $25.83 Implied vol 26.4% Delta 0.335 ≈33% ITM Gamma 0.211 Theta -0.011 Vega 0.023 Open interest 6.9k Model this call Put · $25.28 In the money Last $1.29 Breakeven $23.99 Implied vol 30.8% Delta -0.638 ≈64% ITM Gamma 0.186 Theta -0.016 Vega 0.023 Open interest 15 Model this put
15	2	40%	0.272	$0.25		—	-0.689	46.6%	—	0
Call · $26.28 Last $0.25 Breakeven $26.53 Implied vol 40% Delta 0.272 ≈27% ITM Gamma 0.125 Theta -0.016 Vega 0.023 Open interest 15 Model this call Put · $26.28 In the money Last — Breakeven — Implied vol 46.6% Delta -0.689 ≈69% ITM Gamma 0.113 Theta -0.021 Vega 0.024 Open interest 0 Model this put
28	1	59.5%	0.275	$0.08		—	-0.808	42.5%	—	0
Call · $27.28 Last $0.08 Breakeven $27.36 Implied vol 59.5% Delta 0.275 ≈27% ITM Gamma 0.085 Theta -0.024 Vega 0.024 Open interest 28 Model this call Put · $27.28 In the money Last — Breakeven — Implied vol 42.5% Delta -0.808 ≈81% ITM Gamma 0.095 Theta -0.016 Vega 0.018 Open interest 0 Model this put
0	—	63%	0.222	—		$4.30	-0.955	30.2%	8	0
Call · $28.28 Last — Breakeven — Implied vol 63% Delta 0.222 ≈22% ITM Gamma 0.072 Theta -0.023 Vega 0.019 Open interest 0 Model this call Put · $28.28 In the money Last $4.30 Breakeven $23.98 Implied vol 30.2% Delta -0.955 ≈95% ITM Gamma 0.043 Theta -0.005 Vega 0.007 Open interest 0 Model this put
2	2	—	—	$0.39		—	-0.926	43.6%	—	0
Call · $29.28 Last $0.39 Breakeven $29.67 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this call Put · $29.28 In the money Last — Breakeven — Implied vol 43.6% Delta -0.926 ≈93% ITM Gamma 0.046 Theta -0.009 Vega 0.007 Open interest 0 Model this put
0	—	—	—	—		$6.15	-0.845	70.7%	4	0
Call · $30.28 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $30.28 In the money Last $6.15 Breakeven $24.13 Implied vol 70.7% Delta -0.845 ≈85% ITM Gamma 0.05 Theta -0.022 Vega 0.013 Open interest 0 Model this put
0	—	—	—	—		—	-0.843	81.1%	—	0
Call · $31.28 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $31.28 In the money Last — Breakeven — Implied vol 81.1% Delta -0.843 ≈84% ITM Gamma 0.044 Theta -0.025 Vega 0.013 Open interest 0 Model this put
0	—	—	—	—		—	-0.851	87.4%	—	0
Call · $32.28 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $32.28 In the money Last — Breakeven — Implied vol 87.4% Delta -0.851 ≈85% ITM Gamma 0.039 Theta -0.026 Vega 0.013 Open interest 0 Model this put
0	—	—	—	—		—	-0.881	86%	—	0
Call · $33.28 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $33.28 In the money Last — Breakeven — Implied vol 86% Delta -0.881 ≈88% ITM Gamma 0.034 Theta -0.022 Vega 0.013 Open interest 0 Model this put
0	—	—	—	—		—	-0.944	72.2%	—	0
Call · $34.28 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $34.28 In the money Last — Breakeven — Implied vol 72.2% Delta -0.944 ≈94% ITM Gamma 0.022 Theta -0.01 Vega 0.008 Open interest 0 Model this put
0	—	—	—	—		—	-0.946	77.5%	—	0
Call · $35.28 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $35.28 In the money Last — Breakeven — Implied vol 77.5% Delta -0.946 ≈95% ITM Gamma 0.02 Theta -0.011 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 1070750 CUSIP 44107P104 13F (30d) 152 filings 152 filers Visit website Investor relations