Equifax (EFX) Options Chain

NYSE: EFXFinanceFinance: Consumer ServicesUSD

145.78+0.24 (+0.16%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $145.78
Put/call ratio (OI): 0.91
Put/call ratio (volume): 1.10
ATM implied volatility: 52.2%
Expected move: ±$32.87
Open interest (C / P): 805 / 730

EFX options summary

The EFX options chain for the December 18, 2026 expiration lists 28 call and 30 put contracts, with 68 days until expiration. Open interest stands at 805 calls and 730 puts, a put/call ratio of 0.91, which is fairly balanced between calls and puts. At-the-money implied volatility near the $145.00 strike is 52.2%, which implies the market expects a move of about ±$32.87 (22.5%) in Equifax stock by expiration.

The most open interest sits at the $250.00 call (154 contracts) and the $140.00 put (150 contracts).

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

EFX options chain · December 18, 2026

EFX 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
—	—	—	—	—	—	90.00	0.00	2.20	0.36	74.4%	5	10
—	—	—	—	—	—	95.00	0.00	1.75	0.20	64.1%	16	16
—	—	—	—	—	—	100.00	0.10	3.30	1.70	68.0%	2	3
—	—	—	—	—	—	105.00	0.00	2.75	1.00	57.6%	1	10
23	—	64.5%	41.60	35.20	38.70	110.00	0.00	3.20	1.90	53.4%	2	7
3	2	62.7%	31.20	30.80	34.50	115.00	0.20	3.50	2.65	61.2%	1	23
—	—	—	—	—	—	120.00	0.65	4.00	3.40	56.9%	9	25
—	—	—	—	—	—	125.00	2.75	4.80	4.00	53.7%	2	16
3	—	54.1%	17.40	19.50	22.30	130.00	3.10	6.80	6.92	55.5%	3	96
2	1	54.4%	17.50	16.20	19.30	135.00	4.80	8.40	6.60	53.9%	5	11
12	1	54.2%	14.80	12.60	16.50	140.00	6.30	9.70	9.60	50.0%	1	150
11	1	54.5%	12.40	10.40	14.10	145.00	9.30	12.20	12.20	50.0%	8	27
EFX $145.78
7	2	52.4%	7.74	8.20	11.40	150.00	11.80	15.20	13.30	50.7%	3	41
10	1	51.9%	6.50	6.00	9.40	155.00	14.70	18.00	20.05	49.5%	1	4
61	4	47.4%	6.45	4.00	6.70	160.00	17.90	22.10	20.41	52.4%	1	24
13	10	54.5%	4.20	3.30	7.00	165.00	22.10	25.70	25.19	52.3%	1	12
2	1	49.5%	4.00	2.20	4.70	170.00	26.50	28.80	32.20	48.9%	1	10
10	2	52.7%	2.50	1.30	4.40	175.00	30.10	33.00	32.20	49.5%	1	121
21	3	48.9%	6.60	0.90	2.90	180.00	34.30	37.40	23.95	50.5%	1	16
42	1	56.8%	1.40	0.20	3.60	185.00	10.20	13.60	36.80	—	3	14
34	1	49.7%	1.22	0.30	1.90	190.00	43.80	47.10	49.79	56.3%	5	24
74	3	53.7%	1.05	0.80	3.20	195.00	48.60	51.70	17.24	57.1%	1	23
58	6	49.0%	0.76	0.50	1.10	200.00	53.30	56.00	59.00	55.2%	5	38
91	3	57.5%	0.67	0.00	1.40	210.00	63.00	66.40	25.20	64.3%	1	0
74	1	61.0%	1.00	0.00	2.45	220.00	72.30	76.30	60.30	69.0%	10	0
20	1	62.8%	0.20	0.00	1.95	230.00	62.40	65.90	75.80	—	1	3
36	1	65.8%	0.35	0.00	1.75	240.00	0.00	0.00	58.83	—	4	0
154	1	69.9%	2.85	0.00	1.75	250.00	56.50	60.50	47.93	—	2	3
8	7	72.2%	2.15	0.00	1.55	260.00	53.50	57.50	56.64	—	—	2
13	9	75.8%	1.21	0.00	1.55	270.00	—	—	—	—	—	—
0	5	25.0%	1.75	0.00	0.00	280.00	67.50	71.00	65.74	—	1	1
20	20	83.8%	0.15	0.00	1.35	300.00	—	—	—	—	—	—
2	—	105.6%	0.65	0.05	3.40	320.00	—	—	—	—	—	—
1	1	99.7%	0.35	0.00	2.15	330.00	—	—	—	—	—	—

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 EFX put/call ratio?

For the December 18, 2026 expiration, the EFX put/call ratio based on open interest is 0.91 (730 puts vs 805 calls), and 1.10 based on today's volume. A ratio above 1 means more puts than calls.

What is EFX's implied volatility?

At-the-money implied volatility for EFX options expiring December 18, 2026 is about 52.2%, an annualized estimate of how much the market expects Equifax stock to move.

How many EFX option expiration dates are there?

EFX has 5 listed expiration dates, from Oct 16, 2026 to Apr 16, 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.