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: Mar 19, 2027
Days to expiration: 159
Share price: $37.61
Put/call ratio (OI): 0.31
Put/call ratio (volume): 0.23
ATM implied volatility: 59.7%
Expected move: ±$14.81
Open interest (C / P): 1.49K / 465

ERO options summary

The ERO options chain for the March 19, 2027 expiration lists 11 call and 12 put contracts, with 159 days until expiration. Open interest stands at 1,493 calls and 465 puts, a put/call ratio of 0.31, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $40.00 strike is 59.7%, which implies the market expects a move of about ±$14.81 (39.4%) in Ero Copper stock by expiration.

The most open interest sits at the $40.00 call (387 contracts) and the $30.00 put (154 contracts).

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

ERO options chain · March 19, 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
1	—	151.9%	15.18	24.50	28.50	12.50	0.00	0.90	0.50	111.2%	2	2
—	—	—	—	—	—	15.00	0.00	0.40	0.10	79.6%	1	14
7	—	121.4%	9.20	20.70	23.10	17.50	0.00	0.00	0.78	25.0%	1	0
1	—	83.7%	15.86	17.30	19.80	20.00	0.05	1.00	0.60	71.0%	3	21
85	100	72.3%	14.67	15.10	17.10	22.50	0.30	1.00	0.65	63.6%	15	18
12	8	69.7%	14.20	13.20	14.90	25.00	0.85	1.20	1.15	61.6%	1	66
215	1	64.7%	10.20	9.60	11.00	30.00	2.00	2.60	2.10	59.5%	2	154
300	1	64.2%	7.50	6.90	8.10	35.00	4.00	4.70	4.70	58.4%	1	33
ERO $37.61
387	10	63.1%	5.00	4.90	5.70	40.00	6.80	7.20	7.05	56.2%	2	83
118	5	62.1%	3.70	3.40	3.90	45.00	10.00	10.60	11.00	54.4%	2	72
87	6	61.3%	2.32	2.05	2.90	50.00	13.40	15.00	15.70	53.4%	1	1
280	5	62.1%	1.40	1.60	1.95	55.00	17.30	19.60	20.80	52.1%	—	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 ERO put/call ratio?

For the March 19, 2027 expiration, the ERO put/call ratio based on open interest is 0.31 (465 puts vs 1,493 calls), and 0.23 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 March 19, 2027 is about 59.7%, 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.