Ero Copper (ERO) Options Chain

NYSE: EROBasic MaterialsMetal MiningUSD

37.61+1.63 (+4.53%)

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

Expiration date

Expiration: Sep 17, 2027
Days to expiration: 341
Share price: $37.61
Put/call ratio (OI): 0.26
Put/call ratio (volume): 2.00
ATM implied volatility: 60.0%
Expected move: ±$21.82
Open interest (C / P): 318 / 83

ERO options summary

The ERO options chain for the September 17, 2027 expiration lists 10 call and 10 put contracts, with 341 days until expiration. Open interest stands at 318 calls and 83 puts, a put/call ratio of 0.26, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $40.00 strike is 60.0%, which implies the market expects a move of about ±$21.82 (58.0%) in Ero Copper stock by expiration.

The most open interest sits at the $50.00 call (120 contracts) and the $25.00 put (40 contracts).

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

ERO options chain · September 17, 2027

ERO 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
2	1	106.5%	14.00	24.80	28.40	12.50	0.05	0.70	0.31	73.1%	—	1
1	—	105.5%	10.85	23.60	26.10	15.00	0.20	1.05	0.62	70.2%	1	3
—	—	—	—	—	—	17.50	0.35	1.35	0.85	65.1%	1	2
—	—	—	—	—	—	20.00	0.70	1.65	1.40	61.6%	—	1
0	—	—	16.61	0.00	0.00	22.50	1.40	2.15	5.04	61.1%	1	1
12	6	69.6%	13.63	15.00	16.90	25.00	2.10	2.75	2.18	59.6%	20	40
19	6	67.1%	12.00	12.10	13.70	30.00	3.80	4.50	4.27	57.3%	1	16
24	1	66.0%	9.35	9.60	11.30	35.00	—	—	—	—	—	—
ERO $37.61
28	2	65.6%	8.20	7.60	9.40	40.00	8.70	9.90	9.00	54.4%	15	16
36	2	65.1%	6.41	6.10	7.70	45.00	11.90	13.40	13.98	53.8%	—	2
120	1	64.6%	5.48	4.80	6.40	50.00	15.10	16.90	15.50	50.5%	1	1
76	1	63.5%	4.51	3.60	5.30	55.00	—	—	—	—	—	—

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 ERO put/call ratio?

For the September 17, 2027 expiration, the ERO put/call ratio based on open interest is 0.26 (83 puts vs 318 calls), and 2.00 based on today's volume. A ratio above 1 means more puts than calls.

What is ERO's implied volatility?

At-the-money implied volatility for ERO options expiring September 17, 2027 is about 60.0%, an annualized estimate of how much the market expects Ero Copper stock to move.

How many ERO option expiration dates are there?

ERO has 10 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.