IRDM · Iridium Communications Inc.

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$45.78 -1.86 (-3.90%) At close · Jul 24

Market Cap

$5.05B

105.96M

Options Chain

15-min delayed Underlying $45.78 · today Options Calculator

Positioning

Aug 21, 2026 · 27 days to expiry · 26 contracts

Put / call OI

0.08

Call-heavy positioning

Open interest

18,582

contracts outstanding

Volume

1,705

traded today

Max pain

$45.00

$0.78 below spot

ATM implied vol

38.6%

market's expected move

Open interest by strike

Calls Puts

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 27d Sep 18 55d Oct 16 83d Jan 15 174d Dec 17 510d Jan 21 545d Dec 15 874d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	112.6%	0.993	—		—	-0.051	189.7%	—	0
Call · $22.5 In the money Last — Breakeven — Implied vol 112.6% Delta 0.993 ≈99% ITM Gamma 0.001 Theta -0.005 Vega 0.002 Open interest 0 Model this call Put · $22.5 Last — Breakeven — Implied vol 189.7% Delta -0.051 ≈5% ITM Gamma 0.004 Theta -0.046 Vega 0.015 Open interest 0 Model this put
0	2	94.3%	0.993	$17.41		$0.05	-0.05	156.1%	10	10
Call · $25 In the money Last $17.41 Breakeven $42.41 Implied vol 94.3% Delta 0.993 ≈99% ITM Gamma 0.001 Theta -0.005 Vega 0.002 Open interest 0 Model this call Put · $25 Last $0.05 Breakeven $24.95 Implied vol 156.1% Delta -0.05 ≈5% ITM Gamma 0.005 Theta -0.037 Vega 0.016 Open interest 10 Model this put
13	10	76.6%	0.983	$25.89		$0.03	-0.088	132.6%	10	101
Call · $30 In the money Last $25.89 Breakeven $55.89 Implied vol 76.6% Delta 0.983 ≈98% ITM Gamma 0.004 Theta -0.008 Vega 0.005 Open interest 13 Model this call Put · $30 Last $0.03 Breakeven $29.97 Implied vol 132.6% Delta -0.088 ≈9% ITM Gamma 0.01 Theta -0.049 Vega 0.018 Open interest 101 Model this put
12	2	0.1%	0.999	$18.00		$0.05	-0.039	58.5%	1	454
Call · $35 In the money Last $18.00 Breakeven $53.00 Implied vol 0.1% Delta 0.999 ≈100% ITM Gamma 0 Theta -0.002 Vega 0 Open interest 12 Model this call Put · $35 Last $0.05 Breakeven $34.95 Implied vol 58.5% Delta -0.039 ≈4% ITM Gamma 0.011 Theta -0.011 Vega 0.011 Open interest 454 Model this put
127	1	65.6%	0.802	$7.20		$0.15	-0.072	35.2%	5	212
Call · $40 In the money Last $7.20 Breakeven $47.20 Implied vol 65.6% Delta 0.802 ≈80% ITM Gamma 0.034 Theta -0.044 Vega 0.031 Open interest 127 Model this call Put · $40 Last $0.15 Breakeven $39.85 Implied vol 35.2% Delta -0.072 ≈7% ITM Gamma 0.031 Theta -0.011 Vega 0.02 Open interest 212 Model this put
396	23	41.1%	0.586	$2.20		$1.40	-0.409	36%	6	131
Call · $45 In the money Last $2.20 Breakeven $47.20 Implied vol 41.1% Delta 0.586 ≈59% ITM Gamma 0.076 Theta -0.038 Vega 0.049 Open interest 396 Model this call Put · $45 Last $1.40 Breakeven $43.60 Implied vol 36% Delta -0.409 ≈41% ITM Gamma 0.087 Theta -0.031 Vega 0.049 Open interest 131 Model this put
Underlying $45.78
15.2k	1.6k	40.3%	0.231	$0.67		$4.30	-0.863	29.2%	3	499
Call · $50 Last $0.67 Breakeven $50.67 Implied vol 40.3% Delta 0.231 ≈23% ITM Gamma 0.061 Theta -0.029 Vega 0.035 Open interest 15.2k Model this call Put · $50 In the money Last $4.30 Breakeven $45.70 Implied vol 29.2% Delta -0.863 ≈86% ITM Gamma 0.065 Theta -0.013 Vega 0.023 Open interest 499 Model this put
924	42	46%	0.08	$0.20		$7.10	—	—	1	18
Call · $55 Last $0.20 Breakeven $55.20 Implied vol 46% Delta 0.08 ≈8% ITM Gamma 0.026 Theta -0.016 Vega 0.025 Open interest 924 Model this call Put · $55 In the money Last $7.10 Breakeven $47.90 Implied vol — Delta — Gamma — Theta — Vega — Open interest 18 Model this put
312	1	54.2%	0.038	$0.08		$5.80	-0.939	62.1%	10	11
Call · $60 Last $0.08 Breakeven $60.08 Implied vol 54.2% Delta 0.038 ≈4% ITM Gamma 0.012 Theta -0.01 Vega 0.015 Open interest 312 Model this call Put · $60 In the money Last $5.80 Breakeven $54.20 Implied vol 62.1% Delta -0.939 ≈94% ITM Gamma 0.017 Theta -0.015 Vega 0.014 Open interest 11 Model this put
130	1	74.5%	0.053	$0.10		—	-0.973	67.2%	—	0
Call · $65 Last $0.10 Breakeven $65.10 Implied vol 74.5% Delta 0.053 ≈5% ITM Gamma 0.012 Theta -0.019 Vega 0.015 Open interest 130 Model this call Put · $65 In the money Last — Breakeven — Implied vol 67.2% Delta -0.973 ≈97% ITM Gamma 0.01 Theta -0.008 Vega 0.006 Open interest 0 Model this put
26	20	77.1%	0.028	$0.15		—	-0.976	78.5%	—	0
Call · $70 Last $0.15 Breakeven $70.15 Implied vol 77.1% Delta 0.028 ≈3% ITM Gamma 0.007 Theta -0.011 Vega 0.008 Open interest 26 Model this call Put · $70 In the money Last — Breakeven — Implied vol 78.5% Delta -0.976 ≈98% ITM Gamma 0.008 Theta -0.008 Vega 0.007 Open interest 0 Model this put
1	1	87.2%	0.025	$0.14		—	-0.978	89%	—	0
Call · $75 Last $0.14 Breakeven $75.14 Implied vol 87.2% Delta 0.025 ≈3% ITM Gamma 0.005 Theta -0.012 Vega 0.008 Open interest 1 Model this call Put · $75 In the money Last — Breakeven — Implied vol 89% Delta -0.978 ≈98% ITM Gamma 0.006 Theta -0.009 Vega 0.007 Open interest 0 Model this put
0	—	—	—	—		$32.50	-0.98	98.9%	1	0
Call · $80 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $80 In the money Last $32.50 Breakeven $47.50 Implied vol 98.9% Delta -0.98 ≈98% ITM Gamma 0.005 Theta -0.009 Vega 0.007 Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

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 1418819 CUSIP 46269C102 13F (30d) 97 filings 97 filers Visit website Investor relations