Alto Ingredients (ALTO) Options Chain
NASDAQ: ALTOIndustrialsMajor ChemicalsUSD
Market open · Delayed 15 min · as of Oct 9, 1:05 PM ET
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $3.80
- Put/call ratio (OI)
- 0.11
- Put/call ratio (volume)
- 0.24
- Expected move
- ±$0.349
- Open interest (C / P)
- 12.77K / 1.41K
ALTO options summary
The ALTO options chain for the October 16, 2026 expiration lists 10 call and 6 put contracts, with 7 days until expiration. Open interest stands at 12,768 calls and 1,411 puts, a put/call ratio of 0.11, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $4.00 strike is 66.4%, which implies the market expects a move of about ±$0.349 (9.2%) in Alto Ingredients stock by expiration.
The most open interest sits at the $7.00 call (3.43K contracts) and the $4.00 put (1.08K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ALTO options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 2.71 | 2.20 | 3.20 | 1.00 | — | — | — | |||||
| 1.74 | 1.35 | 2.10 | 2.00 | 0.00 | 0.75 | 0.10 | |||||
| 0.68 | 0.60 | 0.85 | 3.00 | 0.00 | 0.10 | 0.05 | |||||
| 0.05 | 0.00 | 0.05 | 4.00 | 0.20 | 0.40 | 0.25 | |||||
| 0.01 | 0.00 | 0.05 | 5.00 | 0.90 | 1.65 | 1.23 | |||||
| 0.05 | 0.00 | 0.10 | 6.00 | 1.35 | 2.25 | 1.20 | |||||
| 0.03 | 0.00 | 0.05 | 7.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.05 | 8.00 | — | — | — | |||||
| 0.38 | 0.00 | 0.75 | 9.00 | — | — | — | |||||
| 0.10 | 0.00 | 0.45 | 10.00 | 5.90 | 6.90 | 6.35 | |||||
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 ALTO put/call ratio?
For the October 16, 2026 expiration, the ALTO put/call ratio based on open interest is 0.11 (1,411 puts vs 12,768 calls), and 0.24 based on today's volume. A ratio above 1 means more puts than calls.
What is ALTO's implied volatility?
At-the-money implied volatility for ALTO options expiring October 16, 2026 is about 66.4%, an annualized estimate of how much the market expects Alto Ingredients stock to move.
How many ALTO option expiration dates are there?
ALTO has 6 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.