MarketAxess (MKTX) Options Chain
NASDAQ: MKTXFinanceInvestment Bankers/Brokers/ServiceUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- May 21, 2027
- Days to expiration
- 223
- Share price
- $164.58
- Put/call ratio (OI)
- 0.11
- Put/call ratio (volume)
- 4.00
- Expected move
- ±$9.85
- Open interest (C / P)
- 331 / 37
MKTX options summary
The MKTX options chain for the May 21, 2027 expiration lists 3 call and 10 put contracts, with 223 days until expiration. Open interest stands at 331 calls and 37 puts, a put/call ratio of 0.11, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $165.00 strike is 7.7%, which implies the market expects a move of about ±$9.85 (6.0%) in MarketAxess stock by expiration.
The most open interest sits at the $170.00 call (274 contracts) and the $155.00 put (9 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MKTX options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 120.00 | 0.00 | 0.30 | 0.30 | |||||
| — | — | — | 125.00 | 0.00 | 0.40 | 0.35 | |||||
| — | — | — | 130.00 | 0.00 | 0.45 | 0.40 | |||||
| — | — | — | 135.00 | 0.00 | 4.90 | 0.50 | |||||
| — | — | — | 140.00 | 0.00 | 4.90 | 0.60 | |||||
| — | — | — | 145.00 | 0.00 | 0.75 | 0.75 | |||||
| — | — | — | 150.00 | 0.00 | 1.00 | 0.85 | |||||
| — | — | — | 155.00 | 0.00 | 1.35 | 0.95 | |||||
| 8.00 | 6.50 | 7.90 | 160.00 | 0.00 | 4.90 | 1.80 | |||||
| 4.20 | 1.70 | 3.00 | 165.00 | 0.50 | 4.90 | 2.40 | |||||
| 1.25 | 0.00 | 0.15 | 170.00 | — | — | — | |||||
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 MKTX put/call ratio?
For the May 21, 2027 expiration, the MKTX put/call ratio based on open interest is 0.11 (37 puts vs 331 calls), and 4.00 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 May 21, 2027 is about 7.7%, 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.