Custom Truck One Source (CTOS) Options Chain
NYSE: CTOSConsumer DiscretionaryDiversified Commercial ServicesUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $9.25
- Put/call ratio (OI)
- 0.06
- Put/call ratio (volume)
- 0.50
- ATM implied volatility
- 159.4%
- Expected move
- ±$6.36
- Open interest (C / P)
- 16 / 1
CTOS options summary
The CTOS options chain for the December 18, 2026 expiration lists 5 call and 3 put contracts, with 68 days until expiration. Open interest stands at 16 calls and 1 puts, a put/call ratio of 0.06, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $10.00 strike is 159.4%, which implies the market expects a move of about ±$6.36 (68.8%) in Custom Truck One Source stock by expiration.
The most open interest sits at the $7.50 call (6 contracts) and the $12.50 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CTOS options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 8.00 | 5.50 | 8.80 | 2.50 | — | — | — | |||||
| 5.00 | 0.00 | 0.00 | 5.00 | 0.00 | 0.00 | 0.05 | |||||
| 2.13 | 1.95 | 2.65 | 7.50 | — | — | — | |||||
| 2.10 | 0.30 | 4.20 | 10.00 | 0.00 | 0.00 | 1.20 | |||||
| 0.05 | 0.00 | 0.75 | 12.50 | 1.50 | 4.10 | 3.00 | |||||
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 CTOS put/call ratio?
For the December 18, 2026 expiration, the CTOS put/call ratio based on open interest is 0.06 (1 puts vs 16 calls), and 0.50 based on today's volume. A ratio above 1 means more puts than calls.
What is CTOS's implied volatility?
At-the-money implied volatility for CTOS options expiring December 18, 2026 is about 159.4%, an annualized estimate of how much the market expects Custom Truck One Source stock to move.
How many CTOS option expiration dates are there?
CTOS has 4 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.