HSAI · Hesai Group

Track HSAI — free Ask ALVIS about HSAI

$15.91 +0.48 (+3.11%)

Market Cap

$19.99B

1.26B

Options Chain

15-min delayed Underlying $15.91 · today Options Calculator

Positioning

Aug 21, 2026 · 24 days to expiry · 26 contracts

Put / call OI

0.34

Call-heavy positioning

Open interest

26,064

contracts outstanding

Volume

471

traded today

Max pain

$20.00

$4.09 above spot

ATM implied vol

86.8%

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 24d Sep 18 52d Oct 16 80d Nov 20 115d Jan 15 171d Feb 19 206d Jan 21 542d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
1	1	532.2%	0.98	$12.46		—	—	—	—	0
Call · $2.5 In the money Last $12.46 Breakeven $14.96 Implied vol 532.2% Delta 0.98 ≈98% ITM Gamma 0.002 Theta -0.023 Vega 0.002 Open interest 1 Model this call Put · $2.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
5	5	402.8%	0.951	$9.63		—	—	—	—	0
Call · $5 In the money Last $9.63 Breakeven $14.63 Implied vol 402.8% Delta 0.951 ≈95% ITM Gamma 0.006 Theta -0.036 Vega 0.004 Open interest 5 Model this call Put · $5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	268.3%	0.927	—		—	—	—	—	0
Call · $7.5 In the money Last — Breakeven — Implied vol 268.3% Delta 0.927 ≈93% ITM Gamma 0.013 Theta -0.033 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
100	2	174.7%	0.898	$6.15		$0.11	-0.073	143.2%	6	25
Call · $10 In the money Last $6.15 Breakeven $16.15 Implied vol 174.7% Delta 0.898 ≈90% ITM Gamma 0.025 Theta -0.027 Vega 0.008 Open interest 100 Model this call Put · $10 Last $0.11 Breakeven $9.89 Implied vol 143.2% Delta -0.073 ≈7% ITM Gamma 0.024 Theta -0.017 Vega 0.006 Open interest 25 Model this put
53	4	—	—	$3.74		$0.30	-0.134	96.1%	1	471
Call · $12.5 In the money Last $3.74 Breakeven $16.24 Implied vol — Delta — Gamma — Theta — Vega — Open interest 53 Model this call Put · $12.5 Last $0.30 Breakeven $12.20 Implied vol 96.1% Delta -0.134 ≈13% ITM Gamma 0.055 Theta -0.017 Vega 0.009 Open interest 471 Model this put
499	37	76%	0.659	$2.10		$0.97	-0.357	97.5%	43	1.1k
Call · $15 In the money Last $2.10 Breakeven $17.10 Implied vol 76% Delta 0.659 ≈66% ITM Gamma 0.12 Theta -0.025 Vega 0.016 Open interest 499 Model this call Put · $15 Last $0.97 Breakeven $14.03 Implied vol 97.5% Delta -0.357 ≈36% ITM Gamma 0.095 Theta -0.031 Vega 0.015 Open interest 1.1k Model this put
Underlying $15.91
1.3k	73	86.6%	0.378	$0.80		$2.91	-0.605	95.9%	1	1.2k
Call · $17.5 Last $0.80 Breakeven $18.30 Implied vol 86.6% Delta 0.378 ≈38% ITM Gamma 0.109 Theta -0.029 Vega 0.015 Open interest 1.3k Model this call Put · $17.5 In the money Last $2.91 Breakeven $14.59 Implied vol 95.9% Delta -0.605 ≈60% ITM Gamma 0.101 Theta -0.031 Vega 0.015 Open interest 1.2k Model this put
7.5k	111	93.7%	0.205	$0.35		$5.75	-0.731	117.6%	1	2.6k
Call · $20 Last $0.35 Breakeven $20.35 Implied vol 93.7% Delta 0.205 ≈20% ITM Gamma 0.075 Theta -0.023 Vega 0.012 Open interest 7.5k Model this call Put · $20 In the money Last $5.75 Breakeven $14.25 Implied vol 117.6% Delta -0.731 ≈73% ITM Gamma 0.071 Theta -0.032 Vega 0.012 Open interest 2.6k Model this put
1.8k	93	94.2%	0.091	$0.19		$8.15	-0.789	138.5%	2	554
Call · $22.5 Last $0.19 Breakeven $22.69 Implied vol 94.2% Delta 0.091 ≈9% ITM Gamma 0.043 Theta -0.013 Vega 0.009 Open interest 1.8k Model this call Put · $22.5 In the money Last $8.15 Breakeven $14.35 Implied vol 138.5% Delta -0.789 ≈79% ITM Gamma 0.052 Theta -0.033 Vega 0.013 Open interest 554 Model this put
3.8k	27	104.2%	0.059	$0.10		$5.20	-0.867	138%	2	600
Call · $25 Last $0.10 Breakeven $25.10 Implied vol 104.2% Delta 0.059 ≈6% ITM Gamma 0.028 Theta -0.01 Vega 0.005 Open interest 3.8k Model this call Put · $25 In the money Last $5.20 Breakeven $19.80 Implied vol 138% Delta -0.867 ≈87% ITM Gamma 0.039 Theta -0.024 Vega 0.009 Open interest 600 Model this put
1.9k	44	129.7%	0.039	$0.07		$14.70	-0.809	218%	2	1
Call · $30 Last $0.07 Breakeven $30.07 Implied vol 129.7% Delta 0.039 ≈4% ITM Gamma 0.016 Theta -0.009 Vega 0.003 Open interest 1.9k Model this call Put · $30 In the money Last $14.70 Breakeven $15.30 Implied vol 218% Delta -0.809 ≈81% ITM Gamma 0.031 Theta -0.049 Vega 0.009 Open interest 1 Model this put
2.6k	3	212.9%	0.116	$0.05		$20.00	-0.84	237.9%	2	0
Call · $35 Last $0.05 Breakeven $35.05 Implied vol 212.9% Delta 0.116 ≈12% ITM Gamma 0.023 Theta -0.036 Vega 0.01 Open interest 2.6k Model this call Put · $35 In the money Last $20.00 Breakeven $15.00 Implied vol 237.9% Delta -0.84 ≈84% ITM Gamma 0.025 Theta -0.047 Vega 0.01 Open interest 0 Model this put
52	11	258.7%	0.143	$0.02		—	-0.875	250.4%	—	0
Call · $40 Last $0.02 Breakeven $40.02 Implied vol 258.7% Delta 0.143 ≈14% ITM Gamma 0.021 Theta -0.05 Vega 0.011 Open interest 52 Model this call Put · $40 In the money Last — Breakeven — Implied vol 250.4% Delta -0.875 ≈88% ITM Gamma 0.021 Theta -0.042 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 1861737 CUSIP 428050108 13F (30d) 18 filings 16 filers Visit website Investor relations