One Stop Systems (OSS) Options Chain
NASDAQ: OSSTechnologyComputer ManufacturingUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 69
- Share price
- $7.74
- Put/call ratio (OI)
- 0.65
- Put/call ratio (volume)
- 0.35
- Expected move
- ±$2.74
- Open interest (C / P)
- 1.11K / 728
OSS options summary
The OSS options chain for the December 18, 2026 expiration lists 11 call and 7 put contracts, with 69 days until expiration. Open interest stands at 1,112 calls and 728 puts, a put/call ratio of 0.65, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $7.50 strike is 81.4%, which implies the market expects a move of about ±$2.74 (35.4%) in One Stop Systems stock by expiration.
The most open interest sits at the $12.50 call (257 contracts) and the $17.50 put (253 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
OSS options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 11.95 | 0.00 | 0.00 | 2.50 | — | — | — | |||||
| — | — | — | 5.00 | 0.05 | 0.25 | 0.21 | |||||
| 2.17 | 1.00 | 1.50 | 7.50 | 0.80 | 1.00 | 0.86 | |||||
| 0.42 | 0.35 | 0.55 | 10.00 | 2.45 | 2.90 | 2.70 | |||||
| 0.21 | 0.15 | 0.30 | 12.50 | 4.50 | 5.30 | 3.50 | |||||
| 0.19 | 0.00 | 0.35 | 15.00 | 6.70 | 7.90 | 6.67 | |||||
| 0.16 | 0.00 | 0.35 | 17.50 | 9.30 | 10.40 | 9.55 | |||||
| 0.15 | 0.00 | 0.35 | 20.00 | 11.80 | 12.90 | 12.43 | |||||
| 1.00 | 0.00 | 0.00 | 22.50 | — | — | — | |||||
| 0.05 | 0.00 | 0.30 | 25.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.30 | 30.00 | — | — | — | |||||
| 0.36 | 0.00 | 0.00 | 35.00 | — | — | — | |||||
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 OSS put/call ratio?
For the December 18, 2026 expiration, the OSS put/call ratio based on open interest is 0.65 (728 puts vs 1,112 calls), and 0.35 based on today's volume. A ratio above 1 means more puts than calls.
What is OSS's implied volatility?
At-the-money implied volatility for OSS options expiring December 18, 2026 is about 81.4%, an annualized estimate of how much the market expects One Stop Systems stock to move.
How many OSS option expiration dates are there?
OSS has 8 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.