Amprius Technologies (AMPX) Options Chain

NYSE: AMPXMiscellaneousIndustrial Machinery/ComponentsUSD

9.25-0.085 (-0.91%)

Market open · Delayed 15 min · as of Oct 8, 2:39 PM ET

Expiration date

Expiration: Oct 9, 2026
Days to expiration: 1
Share price: $9.25
Put/call ratio (OI): 0.39
Put/call ratio (volume): 0.42
ATM implied volatility: 73.8%
Expected move: ±$0.3574
Open interest (C / P): 4.66K / 1.82K

AMPX options summary

The AMPX options chain for the October 9, 2026 expiration lists 17 call and 16 put contracts, with 1 day until expiration. Open interest stands at 4,655 calls and 1,820 puts, a put/call ratio of 0.39, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $9.00 strike is 73.8%, which implies the market expects a move of about ±$0.3574 (3.9%) in Amprius Technologies stock by expiration.

The most open interest sits at the $11.50 call (2.20K contracts) and the $9.00 put (728 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

AMPX options chain · October 9, 2026

AMPX calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
74	6	737.5%	4.70	4.50	4.90	4.50	—	—	—	—	—	—
28	23	646.9%	4.20	4.00	4.40	5.00	—	—	—	—	—	—
—	—	—	—	—	—	7.00	0.00	0.30	0.07	350.0%	1	6
—	—	—	—	—	—	7.50	0.00	0.05	0.10	176.6%	2	38
72	2	251.6%	0.97	0.95	1.45	8.00	0.00	0.10	0.05	156.3%	12	181
106	4	135.9%	0.63	0.55	0.85	8.50	0.00	0.10	0.05	106.3%	50	306
421	120	95.3%	0.25	0.05	0.40	9.00	0.00	0.10	0.09	52.3%	80	728
AMPX $9.25
161	62	50.8%	0.05	0.00	0.10	9.50	0.25	0.45	0.30	72.7%	7	160
701	31	79.7%	0.05	0.00	0.05	10.00	0.65	0.95	0.82	98.4%	3	312
347	13	115.6%	0.01	0.00	0.05	10.50	1.15	1.45	1.30	135.9%	2	8
367	121	236.7%	0.03	0.00	0.30	11.00	1.45	2.20	1.60	190.6%	1	11
2,199	2	201.6%	0.02	0.00	0.10	11.50	1.95	2.85	2.48	273.4%	1	12
120	1	200.0%	0.05	0.00	0.05	12.00	2.35	3.30	2.42	254.7%	2	54
15	2	321.9%	0.01	0.00	0.25	12.50	2.90	4.00	2.57	369.5%	1	0
29	2	331.3%	0.01	0.00	0.20	13.00	—	—	—	—	—	—
7	1	395.3%	0.12	0.00	0.30	13.50	3.80	5.00	4.65	395.3%	1	1
2	2	328.1%	0.05	0.00	0.10	14.00	4.30	5.30	4.17	328.1%	2	2
4	2	445.3%	0.09	0.00	0.30	14.50	—	—	—	—	—	—
—	—	—	—	—	—	18.00	8.30	9.30	8.46	475.0%	1	1
—	—	—	—	—	—	19.00	9.40	10.50	9.47	662.5%	1	0
2	1	651.6%	0.16	0.00	0.30	20.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the AMPX put/call ratio?

For the October 9, 2026 expiration, the AMPX put/call ratio based on open interest is 0.39 (1,820 puts vs 4,655 calls), and 0.42 based on today's volume. A ratio above 1 means more puts than calls.

What is AMPX's implied volatility?

At-the-money implied volatility for AMPX options expiring October 9, 2026 is about 73.8%, an annualized estimate of how much the market expects Amprius Technologies stock to move.

How many AMPX option expiration dates are there?

AMPX has 14 listed expiration dates, from Oct 9, 2026 to Jan 19, 2029.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.