PLSE · Pulse Biosciences, Inc.

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$33.45 -2.02 (-5.69%)

Market Cap

$2.45B

69.21M

Options Chain

15-min delayed Underlying $33.45 · today Options Calculator

Positioning

Aug 21, 2026 · 23 days to expiry · 54 contracts

Put / call OI

0.40

Call-heavy positioning

Open interest

292

contracts outstanding

Volume

175

traded today

Max pain

$26.00

$7.45 below spot

ATM implied vol

84.7%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 23d Sep 18 51d Oct 16 79d Jan 15 170d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	170.1%	0.984	—		—	—	—	—	0
Call · $15 In the money Last — Breakeven — Implied vol 170.1% Delta 0.984 ≈98% ITM Gamma 0.003 Theta -0.014 Vega 0.003 Open interest 0 Model this call Put · $15 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	145.6%	0.982	—		—	-0.11	351.6%	—	0
Call · $17 In the money Last — Breakeven — Implied vol 145.6% Delta 0.982 ≈98% ITM Gamma 0.004 Theta -0.014 Vega 0.003 Open interest 0 Model this call Put · $17 Last — Breakeven — Implied vol 351.6% Delta -0.11 ≈11% ITM Gamma 0.006 Theta -0.123 Vega 0.014 Open interest 0 Model this put
0	—	134.4%	0.981	—		—	-0.053	181.4%	—	0
Call · $18 In the money Last — Breakeven — Implied vol 134.4% Delta 0.981 ≈98% ITM Gamma 0.004 Theta -0.014 Vega 0.003 Open interest 0 Model this call Put · $18 Last — Breakeven — Implied vol 181.4% Delta -0.053 ≈5% ITM Gamma 0.007 Theta -0.036 Vega 0.011 Open interest 0 Model this put
0	—	—	—	—		—	-0.061	172.7%	—	0
Call · $19 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $19 Last — Breakeven — Implied vol 172.7% Delta -0.061 ≈6% ITM Gamma 0.008 Theta -0.038 Vega 0.011 Open interest 0 Model this put
0	—	113.9%	0.978	—		—	-0.062	155.5%	—	0
Call · $20 In the money Last — Breakeven — Implied vol 113.9% Delta 0.978 ≈98% ITM Gamma 0.005 Theta -0.013 Vega 0.007 Open interest 0 Model this call Put · $20 Last — Breakeven — Implied vol 155.5% Delta -0.062 ≈6% ITM Gamma 0.009 Theta -0.035 Vega 0.011 Open interest 0 Model this put
20	20	103.9%	0.977	$5.54		$0.72	-0.045	124.6%	2	10
Call · $21 In the money Last $5.54 Breakeven $26.54 Implied vol 103.9% Delta 0.977 ≈98% ITM Gamma 0.006 Theta -0.013 Vega 0.007 Open interest 20 Model this call Put · $21 Last $0.72 Breakeven $20.28 Implied vol 124.6% Delta -0.045 ≈5% ITM Gamma 0.009 Theta -0.022 Vega 0.007 Open interest 10 Model this put
6	6	0.2%	1	$5.01		$0.95	-0.072	132.3%	6	0
Call · $22 In the money Last $5.01 Breakeven $27.01 Implied vol 0.2% Delta 1 ≈100% ITM Gamma 0 Theta -0.002 Vega 0 Open interest 6 Model this call Put · $22 Last $0.95 Breakeven $21.05 Implied vol 132.3% Delta -0.072 ≈7% ITM Gamma 0.012 Theta -0.033 Vega 0.012 Open interest 0 Model this put
0	—	85.3%	0.973	—		—	-0.083	125.6%	—	0
Call · $23 In the money Last — Breakeven — Implied vol 85.3% Delta 0.973 ≈97% ITM Gamma 0.009 Theta -0.012 Vega 0.007 Open interest 0 Model this call Put · $23 Last — Breakeven — Implied vol 125.6% Delta -0.083 ≈8% ITM Gamma 0.014 Theta -0.035 Vega 0.012 Open interest 0 Model this put
35	1	95.5%	0.941	$9.00		—	-0.096	119.3%	—	0
Call · $24 In the money Last $9.00 Breakeven $33.00 Implied vol 95.5% Delta 0.941 ≈94% ITM Gamma 0.014 Theta -0.023 Vega 0.012 Open interest 35 Model this call Put · $24 Last — Breakeven — Implied vol 119.3% Delta -0.096 ≈10% ITM Gamma 0.017 Theta -0.037 Vega 0.012 Open interest 0 Model this put
1	1	111.9%	0.891	$9.22		$0.70	-0.08	93.5%	1	10
Call · $25 In the money Last $9.22 Breakeven $34.22 Implied vol 111.9% Delta 0.891 ≈89% ITM Gamma 0.02 Theta -0.041 Vega 0.019 Open interest 1 Model this call Put · $25 Last $0.70 Breakeven $24.30 Implied vol 93.5% Delta -0.08 ≈8% ITM Gamma 0.019 Theta -0.025 Vega 0.013 Open interest 10 Model this put
1	1	118.6%	0.85	$8.13		$2.80	-0.109	95.4%	1	1
Call · $26 In the money Last $8.13 Breakeven $34.13 Implied vol 118.6% Delta 0.85 ≈85% ITM Gamma 0.023 Theta -0.053 Vega 0.019 Open interest 1 Model this call Put · $26 Last $2.80 Breakeven $23.20 Implied vol 95.4% Delta -0.109 ≈11% ITM Gamma 0.023 Theta -0.033 Vega 0.019 Open interest 1 Model this put
0	—	92.3%	0.863	—		$1.35	-0.113	82.3%	25	25
Call · $27 In the money Last — Breakeven — Implied vol 92.3% Delta 0.863 ≈86% ITM Gamma 0.028 Theta -0.04 Vega 0.02 Open interest 0 Model this call Put · $27 Last $1.35 Breakeven $25.65 Implied vol 82.3% Delta -0.113 ≈11% ITM Gamma 0.028 Theta -0.029 Vega 0.02 Open interest 25 Model this put
6	6	126.2%	0.776	$8.30		$4.10	-0.147	79.5%	1	2
Call · $28 In the money Last $8.30 Breakeven $36.30 Implied vol 126.2% Delta 0.776 ≈78% ITM Gamma 0.028 Theta -0.072 Vega 0.026 Open interest 6 Model this call Put · $28 Last $4.10 Breakeven $23.90 Implied vol 79.5% Delta -0.147 ≈15% ITM Gamma 0.034 Theta -0.033 Vega 0.02 Open interest 2 Model this put
0	—	83.7%	0.803	—		$1.81	-0.189	79.3%	1	1
Call · $29 In the money Last — Breakeven — Implied vol 83.7% Delta 0.803 ≈80% ITM Gamma 0.04 Theta -0.046 Vega 0.027 Open interest 0 Model this call Put · $29 Last $1.81 Breakeven $27.19 Implied vol 79.3% Delta -0.189 ≈19% ITM Gamma 0.041 Theta -0.039 Vega 0.021 Open interest 1 Model this put
16	5	109.9%	0.719	$5.17		$1.10	-0.293	125.7%	9	27
Call · $30 In the money Last $5.17 Breakeven $35.17 Implied vol 109.9% Delta 0.719 ≈72% ITM Gamma 0.036 Theta -0.071 Vega 0.027 Open interest 16 Model this call Put · $30 Last $1.10 Breakeven $28.90 Implied vol 125.7% Delta -0.293 ≈29% ITM Gamma 0.033 Theta -0.08 Vega 0.027 Open interest 27 Model this put
5	5	83.5%	0.702	$4.00		$5.00	-0.289	76.7%	1	2
Call · $31 In the money Last $4.00 Breakeven $35.00 Implied vol 83.5% Delta 0.702 ≈70% ITM Gamma 0.049 Theta -0.056 Vega 0.028 Open interest 5 Model this call Put · $31 Last $5.00 Breakeven $26.00 Implied vol 76.7% Delta -0.289 ≈29% ITM Gamma 0.053 Theta -0.048 Vega 0.028 Open interest 2 Model this put
3	1	108.9%	0.636	$3.73		$2.54	-0.362	100.7%	3	0
Call · $32 In the money Last $3.73 Breakeven $35.73 Implied vol 108.9% Delta 0.636 ≈64% ITM Gamma 0.041 Theta -0.077 Vega 0.033 Open interest 3 Model this call Put · $32 Last $2.54 Breakeven $29.46 Implied vol 100.7% Delta -0.362 ≈36% ITM Gamma 0.044 Theta -0.068 Vega 0.033 Open interest 0 Model this put
50	1	83%	0.592	$1.50		$7.80	-0.409	86.4%	1	1
Call · $33 In the money Last $1.50 Breakeven $34.50 Implied vol 83% Delta 0.592 ≈59% ITM Gamma 0.055 Theta -0.061 Vega 0.033 Open interest 50 Model this call Put · $33 Last $7.80 Breakeven $25.20 Implied vol 86.4% Delta -0.409 ≈41% ITM Gamma 0.053 Theta -0.061 Vega 0.033 Open interest 1 Model this put
Underlying $33.45
8	8	92.1%	0.541	$1.25		—	-0.464	85.8%	—	0
Call · $34 Last $1.25 Breakeven $35.25 Implied vol 92.1% Delta 0.541 ≈54% ITM Gamma 0.051 Theta -0.07 Vega 0.034 Open interest 8 Model this call Put · $34 In the money Last — Breakeven — Implied vol 85.8% Delta -0.464 ≈46% ITM Gamma 0.055 Theta -0.062 Vega 0.034 Open interest 0 Model this put
42	52	101.2%	0.502	$1.88		$3.60	-0.545	65.9%	1	4
Call · $35 Last $1.88 Breakeven $36.88 Implied vol 101.2% Delta 0.502 ≈50% ITM Gamma 0.046 Theta -0.076 Vega 0.034 Open interest 42 Model this call Put · $35 In the money Last $3.60 Breakeven $31.40 Implied vol 65.9% Delta -0.545 ≈55% ITM Gamma 0.071 Theta -0.046 Vega 0.034 Open interest 4 Model this put
5	5	97.8%	0.452	$0.75		—	-0.572	84.5%	—	0
Call · $36 Last $0.75 Breakeven $36.75 Implied vol 97.8% Delta 0.452 ≈45% ITM Gamma 0.048 Theta -0.073 Vega 0.035 Open interest 5 Model this call Put · $36 In the money Last — Breakeven — Implied vol 84.5% Delta -0.572 ≈57% ITM Gamma 0.055 Theta -0.06 Vega 0.035 Open interest 0 Model this put
1	1	107.9%	0.425	$1.20		—	-0.662	69.4%	—	0
Call · $37 Last $1.20 Breakeven $38.20 Implied vol 107.9% Delta 0.425 ≈43% ITM Gamma 0.043 Theta -0.08 Vega 0.035 Open interest 1 Model this call Put · $37 In the money Last — Breakeven — Implied vol 69.4% Delta -0.662 ≈66% ITM Gamma 0.063 Theta -0.045 Vega 0.031 Open interest 0 Model this put
0	—	94.9%	0.361	—		—	-0.651	90.7%	—	0
Call · $38 Last — Breakeven — Implied vol 94.9% Delta 0.361 ≈36% ITM Gamma 0.047 Theta -0.067 Vega 0.031 Open interest 0 Model this call Put · $38 In the money Last — Breakeven — Implied vol 90.7% Delta -0.651 ≈65% ITM Gamma 0.048 Theta -0.06 Vega 0.031 Open interest 0 Model this put
0	—	93.5%	0.317	—		—	-0.718	83%	—	0
Call · $39 Last — Breakeven — Implied vol 93.5% Delta 0.317 ≈32% ITM Gamma 0.045 Theta -0.062 Vega 0.032 Open interest 0 Model this call Put · $39 In the money Last — Breakeven — Implied vol 83% Delta -0.718 ≈72% ITM Gamma 0.049 Theta -0.05 Vega 0.032 Open interest 0 Model this put
10	10	92.1%	0.272	$0.80		—	-0.739	89%	—	0
Call · $40 Last $0.80 Breakeven $40.80 Implied vol 92.1% Delta 0.272 ≈27% ITM Gamma 0.043 Theta -0.058 Vega 0.032 Open interest 10 Model this call Put · $40 In the money Last — Breakeven — Implied vol 89% Delta -0.739 ≈74% ITM Gamma 0.044 Theta -0.052 Vega 0.025 Open interest 0 Model this put
0	—	142.5%	0.365	—		—	-0.806	79.2%	—	0
Call · $41 Last — Breakeven — Implied vol 142.5% Delta 0.365 ≈36% ITM Gamma 0.031 Theta -0.1 Vega 0.032 Open interest 0 Model this call Put · $41 In the money Last — Breakeven — Implied vol 79.2% Delta -0.806 ≈81% ITM Gamma 0.042 Theta -0.038 Vega 0.025 Open interest 0 Model this put
0	—	88.8%	0.2	—		—	-0.927	58.5%	—	0
Call · $42 Last — Breakeven — Implied vol 88.8% Delta 0.2 ≈20% ITM Gamma 0.037 Theta -0.046 Vega 0.025 Open interest 0 Model this call Put · $42 In the money Last — Breakeven — Implied vol 58.5% Delta -0.927 ≈93% ITM Gamma 0.031 Theta -0.013 Vega 0.009 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 1625101 CUSIP 74587B101 13F (30d) 13 filings 13 filers Visit website Investor relations