NPCE · NeuroPace Inc · Options Chain

Track NPCE — free

$14.50 -0.26 (-1.76%) At close · Sep 9

Russell 2000 member Rebalance outlook locked

Market Cap

$497.70M

34.32M

Options Chain

Underlying $14.50 · at close Sep 9, 2026 Options Calculator

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Positioning

Sep 18, 2026 · 8 days to expiry · 24 contracts · mixed daily-bar sessions · Jul 20, 2026–Aug 31, 2026; 18 unknown

Put / call OI

1.58

Put-heavy positioning

Open interest

338

as of Sep 8, 2026

Volume

—

dated and unknown daily-bar sessions

Max pain

$12.50

$2.00 below spot

ATM implied vol

208.5%

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

Sep 18 8d Oct 16 36d Nov 20 71d Feb 19 162d

Calls								Puts
OI	Vol	IV	Δ	Bid	Ask	Last	Strike	Last	Bid	Ask	Δ	IV	Vol	OI
2	6	—	—	$10.70	$13.60	$11.25		—	$0.00	$0.05	—	—	—	—
Call · $2.5 In the money Daily-bar session Aug 20, 2026 Quote as of 2026-09-09 19:55:33.205 UTC Last $11.25 Breakeven $13.75 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 OI effective date Sep 8, 2026 Model this call Put · $2.5 Daily-bar session Unknown Quote as of 2026-09-09 13:30:01.693 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
1	2	—	—	$7.50	$12.00	$8.40		$0.05	$0.00	$4.80	—	—	200	200
Call · $5 In the money Daily-bar session Aug 17, 2026 Quote as of 2026-09-09 19:57:12.683 UTC Last $8.40 Breakeven $13.40 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 OI effective date Sep 8, 2026 Model this call Put · $5 Daily-bar session Jul 20, 2026 Quote as of 2026-09-09 19:55:01.030 UTC Last $0.05 Breakeven $4.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 200 OI effective date Sep 8, 2026 Model this put
—	—	—	—	$5.00	$9.00	—		—	$0.00	$0.05	—	—	—	—
Call · $7.5 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:56:28.971 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $7.5 Daily-bar session Unknown Quote as of 2026-09-09 18:50:37.849 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$3.00	$7.00	—		—	$0.00	$2.00	—	—	—	—
Call · $10 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:46.035 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $10 Daily-bar session Unknown Quote as of 2026-09-09 19:57:01.225 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	95%	0.871	$0.30	$4.00	—		$0.40	$0.00	$2.00	—	—	1	5
Call · $12.5 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:48.143 UTC Last — Breakeven — Implied vol 95% Delta 0.871 ≈87% ITM Gamma 0.103 Theta -0.028 Vega 0.005 Open interest — OI effective date — Model this call Put · $12.5 Daily-bar session Aug 25, 2026 Quote as of 2026-09-09 19:59:16.823 UTC Last $0.40 Breakeven $12.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 5 OI effective date Sep 8, 2026 Model this put
Underlying $14.50
128	25	208.5%	0.519	$0.40	$2.75	$0.50		$1.22	$0.00	$3.00	—	—	2	2
Call · $15 Daily-bar session Aug 31, 2026 Quote as of 2026-09-09 19:58:49.427 UTC Last $0.50 Breakeven $15.50 Implied vol 208.5% Delta 0.519 ≈52% ITM Gamma 0.089 Theta -0.112 Vega 0.009 Open interest 128 OI effective date Sep 8, 2026 Model this call Put · $15 In the money Daily-bar session Aug 24, 2026 Quote as of 2026-09-09 19:57:56.325 UTC Last $1.22 Breakeven $13.78 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 OI effective date Sep 8, 2026 Model this put
—	—	—	—	$0.00	$0.90	—		—	$1.00	$4.90	—	—	—	—
Call · $17.5 Daily-bar session Unknown Quote as of 2026-09-09 19:55:13.350 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $17.5 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:11.676 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$2.00	—		—	$4.20	$6.50	—	—	—	—
Call · $20 Daily-bar session Unknown Quote as of 2026-09-09 19:59:40.578 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $20 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:58:56.746 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$2.00	—		—	$5.50	$10.40	—	—	—	—
Call · $22.5 Daily-bar session Unknown Quote as of 2026-09-09 19:55:01.030 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $22.5 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:35.146 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$4.80	—		—	$8.00	$12.20	—	—	—	—
Call · $25 Daily-bar session Unknown Quote as of 2026-09-09 19:55:01.033 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $25 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:33.116 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$4.80	—		—	$14.10	$16.90	—	—	—	—
Call · $30 Daily-bar session Unknown Quote as of 2026-09-09 19:55:01.033 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $30 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:27.391 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$4.90	—		—	$18.00	$23.00	—	—	—	—
Call · $35 Daily-bar session Unknown Quote as of 2026-09-09 19:59:55.213 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $35 In the money Daily-bar session Unknown Quote as of 2026-09-09 19:59:44.305 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put

About this data

Each contract's last price, day range and volume belong to the daily-bar session shown in its details; unknown means the source omitted that timestamp. Open interest has its own effective date shown separately; implied volatility and greeks are model values computed when fetched. This chain has mixed daily-bar sessions · Jul 20, 2026–Aug 31, 2026; 18 unknown. Positioning totals are shown only when every returned open-interest value has the same known effective date. Bid and ask are real-time consolidated OPRA readings.

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 1528287 CUSIP 641288105 13F (30d) 81 filings 81 filers Visit website Investor relations