Ambarella (AMBA) Options Chain

NASDAQ: AMBATechnologySemiconductorsUSD

67.43+4.54 (+7.22%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Dec 15, 2028
Days to expiration: 796
Share price: $67.43
Put/call ratio (OI): 0.36
Put/call ratio (volume): 0.11
ATM implied volatility: 55.6%
Expected move: ±$55.37
Open interest (C / P): 639 / 229

AMBA options summary

The AMBA options chain for the December 15, 2028 expiration lists 33 call and 20 put contracts, with 796 days until expiration. Open interest stands at 639 calls and 229 puts, a put/call ratio of 0.36, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $67.50 strike is 55.6%, which implies the market expects a move of about ±$55.37 (82.1%) in Ambarella stock by expiration.

The most open interest sits at the $90.00 call (109 contracts) and the $60.00 put (41 contracts).

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

AMBA options chain · December 15, 2028

AMBA 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
4	2	68.5%	35.98	38.50	43.50	32.50	0.00	10.00	7.70	62.7%	1	11
4	2	68.1%	41.12	37.00	42.00	35.00	2.50	7.50	4.10	57.8%	1	4
6	—	67.5%	50.01	28.00	38.00	37.50	0.50	10.00	9.80	54.5%	8	8
0	3	—	40.00	0.00	0.00	40.00	0.00	10.00	11.50	70.6%	—	3
13	—	65.7%	47.50	25.00	35.00	42.50	—	—	—	—	—	—
22	23	66.5%	44.50	24.00	34.00	45.00	5.50	10.50	7.60	53.0%	1	4
43	2	63.4%	32.50	29.50	34.50	47.50	—	—	—	—	—	—
7	—	63.8%	41.00	21.00	31.00	50.00	7.50	12.50	9.22	51.7%	1	18
1	1	64.1%	39.50	20.00	30.00	52.50	8.50	13.50	12.50	50.8%	1	2
—	—	—	—	—	—	55.00	9.50	14.50	11.00	57.6%	—	4
1	1	61.0%	20.30	24.50	29.50	57.50	9.00	19.00	7.90	51.7%	—	2
15	7	59.4%	30.40	23.00	28.00	60.00	12.00	16.50	16.10	54.8%	2	41
15	1	59.1%	23.00	22.00	27.00	62.50	13.00	15.50	15.50	47.6%	2	2
12	30	58.8%	19.60	21.00	26.00	65.00	—	—	—	—	—	—
AMBA $67.43
41	96	58.4%	22.72	20.00	25.00	67.50	15.50	20.50	17.90	52.8%	12	20
87	1	57.9%	22.25	19.00	24.00	70.00	17.00	22.00	21.00	52.4%	2	23
47	2	57.3%	25.45	18.00	23.00	72.50	18.50	23.50	21.89	51.9%	1	29
35	5	56.6%	18.80	17.00	22.00	75.00	19.50	24.50	24.10	50.0%	1	8
2	2	55.9%	19.80	16.00	21.00	77.50	—	—	—	—	—	—
3	1	55.7%	17.62	15.50	20.00	80.00	22.50	27.50	27.30	48.6%	1	25
8	1	55.5%	16.12	14.50	19.50	82.50	—	—	—	—	—	—
3	1	54.5%	17.35	13.50	18.50	85.00	26.00	31.00	31.40	48.1%	1	6
109	12	53.7%	15.35	12.00	17.00	90.00	29.00	34.00	28.50	46.0%	3	8
0	3	6.3%	23.50	0.00	0.00	92.50	—	—	—	—	—	—
1	1	52.6%	13.45	10.50	15.50	95.00	32.50	37.50	32.00	44.9%	3	6
5	195	52.6%	13.03	10.00	15.00	97.50	—	—	—	—	—	—
20	1	52.5%	11.27	9.50	14.50	100.00	31.00	41.00	47.50	43.4%	5	5
4	3	52.3%	11.20	8.50	13.50	105.00	—	—	—	—	—	—
16	16	62.0%	11.78	4.00	14.00	110.00	—	—	—	—	—	—
5	1	51.0%	5.00	6.50	11.50	115.00	—	—	—	—	—	—
37	2	50.1%	7.10	5.50	10.50	120.00	—	—	—	—	—	—
0	2	6.3%	6.20	0.00	0.00	125.00	—	—	—	—	—	—
2	—	53.4%	36.73	3.00	13.00	130.00	—	—	—	—	—	—
71	1	56.2%	8.50	3.80	8.50	135.00	—	—	—	—	—	—

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 AMBA put/call ratio?

For the December 15, 2028 expiration, the AMBA put/call ratio based on open interest is 0.36 (229 puts vs 639 calls), and 0.11 based on today's volume. A ratio above 1 means more puts than calls.

What is AMBA's implied volatility?

At-the-money implied volatility for AMBA options expiring December 15, 2028 is about 55.6%, an annualized estimate of how much the market expects Ambarella stock to move.

How many AMBA option expiration dates are there?

AMBA has 13 listed expiration dates, from Oct 16, 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.