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: Jan 21, 2028
Days to expiration: 467
Share price: $37.61
Put/call ratio (OI): 0.08
Put/call ratio (volume): 2.27
ATM implied volatility: 58.0%
Expected move: ±$24.68
Open interest (C / P): 3.10K / 237

ERO options summary

The ERO options chain for the January 21, 2028 expiration lists 12 call and 11 put contracts, with 467 days until expiration. Open interest stands at 3,101 calls and 237 puts, a put/call ratio of 0.08, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $40.00 strike is 58.0%, which implies the market expects a move of about ±$24.68 (65.6%) in Ero Copper stock by expiration.

The most open interest sits at the $50.00 call (1.31K contracts) and the $25.00 put (70 contracts).

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

ERO options chain · January 21, 2028

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
215	2	79.8%	25.30	24.50	27.70	12.50	0.00	2.85	0.40	89.5%	1	24
20	1	75.7%	22.55	21.50	26.50	15.00	0.45	1.30	0.85	65.6%	2	7
13	1	72.4%	18.17	19.50	24.50	17.50	—	—	—	—	—	—
41	1	74.5%	20.50	18.00	23.00	20.00	0.00	0.00	2.29	12.5%	15	0
11	7	71.5%	20.64	17.00	20.40	22.50	5.20	6.40	5.80	93.4%	1	2
799	10	70.3%	15.13	14.80	19.50	25.00	2.55	3.70	3.10	57.5%	10	70
189	1	67.3%	14.50	13.20	15.30	30.00	4.90	6.70	5.40	61.1%	1	48
91	1	66.5%	12.00	11.10	12.90	35.00	5.40	8.40	7.69	50.3%	10	43
ERO $37.61
60	10	65.7%	10.00	9.40	10.80	40.00	8.40	11.50	10.66	50.4%	7	8
322	1	67.7%	7.43	8.10	9.80	45.00	12.60	16.00	13.20	55.6%	34	33
1,310	1	64.6%	7.24	6.30	8.10	50.00	0.00	0.00	16.78	—	1	0
30	1	63.9%	5.98	5.50	6.60	55.00	19.20	22.80	22.98	60.1%	2	2

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 January 21, 2028 expiration, the ERO put/call ratio based on open interest is 0.08 (237 puts vs 3,101 calls), and 2.27 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 January 21, 2028 is about 58.0%, 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.