ChipMOS TECHNOLOGIES INC. (IMOS) Options Chain
NASDAQ: IMOSTechnologySemiconductorsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $77.73
- Put/call ratio (OI)
- 0.12
- Put/call ratio (volume)
- 0.02
- Expected move
- ±$18.32
- Open interest (C / P)
- 50 / 6
IMOS options summary
The IMOS options chain for the November 20, 2026 expiration lists 4 call and 3 put contracts, with 40 days until expiration. Open interest stands at 50 calls and 6 puts, a put/call ratio of 0.12, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $70.00 strike is 71.2%, which implies the market expects a move of about ±$18.32 (23.6%) in ChipMOS TECHNOLOGIES INC. stock by expiration.
The most open interest sits at the $90.00 call (40 contracts) and the $30.00 put (4 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
IMOS options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 30.00 | 0.00 | 5.00 | 0.15 | |||||
| 18.57 | 22.00 | 26.50 | 55.00 | — | — | — | |||||
| — | — | — | 60.00 | 0.00 | 5.00 | 2.82 | |||||
| 16.25 | 13.40 | 17.50 | 65.00 | — | — | — | |||||
| 16.00 | 9.50 | 14.00 | 70.00 | 1.40 | 5.50 | 2.90 | |||||
| 4.30 | 0.40 | 5.00 | 90.00 | — | — | — | |||||
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 IMOS put/call ratio?
For the November 20, 2026 expiration, the IMOS put/call ratio based on open interest is 0.12 (6 puts vs 50 calls), and 0.02 based on today's volume. A ratio above 1 means more puts than calls.
What is IMOS's implied volatility?
At-the-money implied volatility for IMOS options expiring November 20, 2026 is about 71.2%, an annualized estimate of how much the market expects ChipMOS TECHNOLOGIES INC. stock to move.
How many IMOS option expiration dates are there?
IMOS has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 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.