Stem (STEM) Options Chain
NYSE: STEMTechnologyEDP ServicesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $4.16
- Put/call ratio (OI)
- 1.00
- Put/call ratio (volume)
- 0.05
- ATM implied volatility
- 126.3%
- Expected move
- ±$1.74
- Open interest (C / P)
- 112 / 112
STEM options summary
The STEM options chain for the November 20, 2026 expiration lists 2 call and 1 put contracts, with 40 days until expiration. Open interest stands at 112 calls and 112 puts, a put/call ratio of 1.00, which is fairly balanced between calls and puts. At-the-money implied volatility near the $5.00 strike is 126.3%, which implies the market expects a move of about ±$1.74 (41.8%) in Stem stock by expiration.
The most open interest sits at the $5.00 call (83 contracts) and the $5.00 put (112 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
STEM options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 0.35 | 0.30 | 0.60 | 5.00 | 0.95 | 1.50 | 1.24 | |||||
| 0.20 | 0.00 | 0.20 | 7.50 | — | — | — | |||||
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 STEM put/call ratio?
For the November 20, 2026 expiration, the STEM put/call ratio based on open interest is 1.00 (112 puts vs 112 calls), and 0.05 based on today's volume. A ratio above 1 means more puts than calls.
What is STEM's implied volatility?
At-the-money implied volatility for STEM options expiring November 20, 2026 is about 126.3%, an annualized estimate of how much the market expects Stem stock to move.
How many STEM option expiration dates are there?
STEM has 5 listed expiration dates, from Oct 16, 2026 to Apr 16, 2027.
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.