Archer Aviation (ACHR) Options Chain

NYSE: ACHRIndustrialsAerospaceUSD

4.93+0.21 (+4.45%)

Market open · Delayed 15 min · as of Oct 9, 11:16 AM ET

Expiration date

Expiration: Oct 9, 2026
Days to expiration: 0
Share price: $4.94
Put/call ratio (OI): 0.21
Put/call ratio (volume): 0.05
ATM implied volatility: 54.7%
Expected move: ±$0.1413
Open interest (C / P): 22.58K / 4.77K

ACHR options summary

The ACHR options chain for the October 9, 2026 expiration lists 21 call and 21 put contracts, expiring today. Open interest stands at 22,576 calls and 4,767 puts, a put/call ratio of 0.21, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $5.00 strike is 54.7%, which implies the market expects a move of about ±$0.1413 (2.9%) in Archer Aviation stock by expiration.

The most open interest sits at the $6.50 call (8.71K contracts) and the $4.50 put (2.26K contracts).

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

ACHR options chain · October 9, 2026

ACHR 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
420	89	2050.0%	3.89	3.80	4.00	1.00	0.00	0.01	0.01	1300.0%	1	1
465	81	1550.0%	3.42	3.30	3.50	1.50	0.00	0.01	0.01	1000.0%	2	3
291	10	1106.3%	2.93	2.88	2.98	2.00	0.00	0.03	0.10	900.0%	1	1
128	4	812.5%	2.41	2.37	2.47	2.50	0.00	2.13	0.01	3043.8%	2	1
16	2	525.0%	1.95	1.86	2.04	3.00	0.00	0.02	0.01	487.5%	11	21
18	15	325.0%	1.37	1.36	1.52	3.50	—	—	—	—	—	—
32	1	275.0%	0.92	0.75	1.16	4.00	0.00	0.01	0.01	212.5%	10	243
283	174	106.3%	0.37	0.40	0.48	4.50	0.00	0.01	0.01	106.3%	41	2,263
ACHR $4.94
4,416	3,570	50.0%	0.03	0.02	0.03	5.00	0.07	0.10	0.09	59.4%	87	2,193
3,159	277	118.8%	0.01	0.00	0.01	5.50	0.53	0.68	0.62	196.9%	2	14
2,803	33	187.5%	0.01	0.00	0.01	6.00	0.93	1.18	1.02	409.4%	4	1
8,705	1	250.0%	0.01	0.00	0.01	6.50	1.50	1.66	1.54	300.0%	5	7
404	3	300.0%	0.02	0.00	0.01	7.00	2.02	2.22	2.12	481.3%	9	3
1,297	18	350.0%	0.01	0.00	0.01	7.50	2.28	2.74	2.87	753.1%	7	4
73	1	450.0%	0.01	0.00	0.02	8.00	2.78	3.25	3.33	837.5%	5	1
28	5	650.0%	0.08	0.00	0.10	8.50	3.45	3.70	3.55	487.5%	2	0
20	2	987.5%	0.01	0.00	0.41	9.00	3.95	4.20	4.34	525.0%	5	4
6	—	525.0%	0.07	0.00	0.01	9.50	4.35	4.70	4.85	931.3%	2	1
10	1	550.0%	0.01	0.00	0.01	10.00	5.00	5.15	5.12	600.0%	3	5
0	4	962.5%	0.08	0.00	0.21	10.50	5.50	5.65	5.56	637.5%	1	1
—	—	—	—	—	—	11.00	5.95	6.20	6.05	675.0%	1	0
2	4	1240.6%	0.01	0.00	0.38	12.00	6.70	7.25	7.35	1234.4%	6	0

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 ACHR put/call ratio?

For the October 9, 2026 expiration, the ACHR put/call ratio based on open interest is 0.21 (4,767 puts vs 22,576 calls), and 0.05 based on today's volume. A ratio above 1 means more puts than calls.

What is ACHR's implied volatility?

At-the-money implied volatility for ACHR options expiring October 9, 2026 is about 54.7%, an annualized estimate of how much the market expects Archer Aviation stock to move.

How many ACHR option expiration dates are there?

ACHR has 11 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.