MarketAxess (MKTX) Options Chain
NASDAQ: MKTXFinanceInvestment Bankers/Brokers/ServiceUSD
Market open · Delayed 15 min · as of Oct 9, 10:45 AM ET
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $164.50
- Put/call ratio (OI)
- 6.60
- Put/call ratio (volume)
- 0.25
- Expected move
- ±$1.81
- Open interest (C / P)
- 5 / 33
MKTX options summary
The MKTX options chain for the October 16, 2026 expiration lists 2 call and 2 put contracts, with 7 days until expiration. Open interest stands at 5 calls and 33 puts, a put/call ratio of 6.60, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $165.00 strike is 8.0%, which implies the market expects a move of about ±$1.81 (1.1%) in MarketAxess stock by expiration.
The most open interest sits at the $170.00 call (3 contracts) and the $160.00 put (33 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MKTX options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 160.00 | 0.00 | 2.15 | 2.15 | |||||
| 2.20 | 0.00 | 0.55 | 165.00 | — | — | — | |||||
| 0.04 | 0.00 | 0.05 | 170.00 | 3.70 | 7.70 | 6.84 | |||||
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 MKTX put/call ratio?
For the October 16, 2026 expiration, the MKTX put/call ratio based on open interest is 6.60 (33 puts vs 5 calls), and 0.25 based on today's volume. A ratio above 1 means more puts than calls.
What is MKTX's implied volatility?
At-the-money implied volatility for MKTX options expiring October 16, 2026 is about 8.0%, an annualized estimate of how much the market expects MarketAxess stock to move.
How many MKTX option expiration dates are there?
MKTX has 4 listed expiration dates, from Oct 16, 2026 to May 21, 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.