Algoma Steel Group (ASTL) Options Chain
NASDAQ: ASTLIndustrialsSteel/Iron OreUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $4.30
- Put/call ratio (OI)
- 0.76
- Put/call ratio (volume)
- 0.13
- Expected move
- ±$1.15
- Open interest (C / P)
- 488 / 369
ASTL options summary
The ASTL options chain for the November 20, 2026 expiration lists 7 call and 5 put contracts, with 40 days until expiration. Open interest stands at 488 calls and 369 puts, a put/call ratio of 0.76, which is fairly balanced between calls and puts. At-the-money implied volatility near the $4.00 strike is 80.7%, which implies the market expects a move of about ±$1.15 (26.7%) in Algoma Steel Group stock by expiration.
The most open interest sits at the $6.00 call (380 contracts) and the $4.00 put (251 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ASTL options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 4.10 | 2.10 | 3.30 | 1.00 | — | — | — | |||||
| 1.59 | 0.95 | 1.90 | 3.00 | 0.00 | 0.75 | 0.24 | |||||
| 0.54 | 0.55 | 0.90 | 4.00 | 0.00 | 0.40 | 0.25 | |||||
| 0.45 | 0.15 | 0.25 | 5.00 | 0.65 | 1.20 | 1.00 | |||||
| 0.10 | 0.00 | 0.35 | 6.00 | 1.50 | 2.05 | 1.85 | |||||
| 0.25 | 0.00 | 0.00 | 7.00 | 0.00 | 0.00 | 2.60 | |||||
| 0.55 | 0.00 | 0.00 | 8.00 | — | — | — | |||||
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 ASTL put/call ratio?
For the November 20, 2026 expiration, the ASTL put/call ratio based on open interest is 0.76 (369 puts vs 488 calls), and 0.13 based on today's volume. A ratio above 1 means more puts than calls.
What is ASTL's implied volatility?
At-the-money implied volatility for ASTL options expiring November 20, 2026 is about 80.7%, an annualized estimate of how much the market expects Algoma Steel Group stock to move.
How many ASTL option expiration dates are there?
ASTL has 5 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.
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.