GATX (GATX) Options Chain

NYSE: GATXConsumer DiscretionaryTransportation ServicesUSD

164.78+2.00 (+1.23%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $164.78
Put/call ratio (OI): 0.82
Put/call ratio (volume): 2.13
ATM implied volatility: 67.4%
Expected move: ±$47.94
Open interest (C / P): 159 / 130

GATX options summary

The GATX options chain for the December 18, 2026 expiration lists 11 call and 19 put contracts, with 68 days until expiration. Open interest stands at 159 calls and 130 puts, a put/call ratio of 0.82, which is fairly balanced between calls and puts. At-the-money implied volatility near the $165.00 strike is 67.4%, which implies the market expects a move of about ±$47.94 (29.1%) in GATX stock by expiration.

The most open interest sits at the $220.00 call (42 contracts) and the $200.00 put (39 contracts).

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

GATX options chain · December 18, 2026

GATX 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
—	—	—	—	—	—	115.00	0.00	0.00	1.10	12.5%	—	0
—	—	—	—	—	—	120.00	0.00	0.00	1.45	12.5%	—	0
—	—	—	—	—	—	125.00	0.00	0.00	1.85	12.5%	1	0
5	7	59.8%	47.50	35.00	38.50	130.00	0.00	4.80	1.25	51.3%	1	6
—	—	—	—	—	—	135.00	0.10	5.00	1.85	60.2%	1	4
—	—	—	—	—	—	140.00	1.15	6.00	2.15	58.2%	1	3
—	—	—	—	—	—	145.00	0.95	4.80	3.03	45.6%	16	17
—	—	—	—	—	—	150.00	1.65	4.80	3.20	38.9%	16	16
—	—	—	—	—	—	155.00	2.65	5.80	3.50	35.9%	5	18
—	—	—	—	—	—	160.00	0.00	0.00	7.90	1.6%	—	0
GATX $164.78
4	1	67.4%	22.50	16.70	21.50	165.00	—	—	—	—	—	—
—	—	—	—	—	—	170.00	3.70	8.30	8.37	18.2%	—	1
0	—	57.4%	16.20	10.00	14.50	175.00	5.30	10.00	10.45	—	—	1
20	20	36.4%	3.30	0.95	4.90	180.00	14.70	19.00	6.20	31.9%	—	1
8	4	36.7%	1.10	0.55	3.80	185.00	18.40	23.00	8.60	32.1%	—	1
10	5	45.8%	5.13	0.00	4.90	190.00	13.30	18.00	17.76	—	—	1
10	3	50.1%	3.60	0.00	4.90	195.00	24.00	28.80	13.30	—	26	12
22	3	41.7%	0.90	0.00	2.40	200.00	28.00	32.70	14.82	—	100	39
33	1	61.5%	1.40	0.00	4.90	210.00	37.00	40.50	20.15	—	—	6
42	30	54.7%	0.10	0.00	4.90	220.00	46.50	49.90	24.58	—	12	4
5	10	60.0%	8.60	0.00	4.80	230.00	—	—	—	—	—	—

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 GATX put/call ratio?

For the December 18, 2026 expiration, the GATX put/call ratio based on open interest is 0.82 (130 puts vs 159 calls), and 2.13 based on today's volume. A ratio above 1 means more puts than calls.

What is GATX's implied volatility?

At-the-money implied volatility for GATX options expiring December 18, 2026 is about 67.4%, an annualized estimate of how much the market expects GATX stock to move.

How many GATX option expiration dates are there?

GATX has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.

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.