Iridium Communications (IRDM) Options Chain

NASDAQ: IRDMConsumer DiscretionaryTelecommunications EquipmentUSD

47.47-0.09 (-0.19%)

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

Expiration date

Expiration: Dec 15, 2028
Days to expiration: 796
Share price: $47.47
Put/call ratio (OI): 2.69
Put/call ratio (volume): 1.06
ATM implied volatility: 49.6%
Expected move: ±$34.78
Open interest (C / P): 534 / 1.44K

IRDM options summary

The IRDM options chain for the December 15, 2028 expiration lists 12 call and 10 put contracts, with 796 days until expiration. Open interest stands at 534 calls and 1,437 puts, a put/call ratio of 2.69, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $45.00 strike is 49.6%, which implies the market expects a move of about ±$34.78 (73.3%) in Iridium Communications stock by expiration.

The most open interest sits at the $22.50 call (335 contracts) and the $22.50 put (811 contracts).

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

IRDM options chain · December 15, 2028

IRDM 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
335	2	63.8%	25.20	23.50	28.50	22.50	0.00	2.50	0.70	55.4%	1	811
12	2	60.4%	25.40	21.50	26.50	25.00	0.20	5.00	1.30	50.0%	15	581
6	20	53.8%	20.21	17.50	22.50	30.00	0.00	5.00	2.19	53.6%	3	1
5	1	52.1%	17.07	14.50	19.50	35.00	0.00	0.00	4.00	6.3%	2	0
3	2	53.6%	17.38	12.50	17.50	40.00	0.00	0.00	5.80	3.1%	1	0
41	2	49.6%	12.50	9.50	14.50	45.00	—	—	—	—	—	—
IRDM $47.47
68	1	50.7%	10.50	8.00	13.00	50.00	8.00	13.00	10.50	41.4%	2	11
34	1	50.8%	10.00	6.50	11.50	55.00	12.50	17.50	12.00	45.3%	12	31
12	1	51.9%	8.17	5.50	10.50	60.00	—	—	—	—	—	—
15	1	50.7%	7.00	4.00	9.00	65.00	19.50	24.50	22.52	43.4%	2	1
2	2	50.7%	6.60	3.00	8.00	70.00	23.50	28.50	23.16	43.3%	—	0
1	1	51.1%	6.40	1.50	6.50	80.00	32.00	37.00	30.00	43.4%	—	1

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 IRDM put/call ratio?

For the December 15, 2028 expiration, the IRDM put/call ratio based on open interest is 2.69 (1,437 puts vs 534 calls), and 1.06 based on today's volume. A ratio above 1 means more puts than calls.

What is IRDM's implied volatility?

At-the-money implied volatility for IRDM options expiring December 15, 2028 is about 49.6%, an annualized estimate of how much the market expects Iridium Communications stock to move.

How many IRDM option expiration dates are there?

IRDM has 8 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.