MarketAxess Holdings Inc
MarketAxess Holdings Inc (MKTX) Options Open Interest
MKTX options open interest is 1,984 contracts. The 2-week average daily volume is 197 contracts across the chain.
Read more
Monitoring MKTX open interest helps you see where real money is positioned on MarketAxess Holdings Inc's options and which strikes are attracting the most commitment from traders. MarketAxess Holdings Inc's open interest reflects the total number of outstanding contracts that have not been closed or exercised, making it a powerful gauge of liquidity, conviction, and potential support and resistance zones. Use our scanner to monitor MKTX options open interest in real time and find the strikes that matter.
Open interest is distinct from volume: volume counts how many contracts are traded in a session, while open interest counts how many remain open at the end of the day. Rising MKTX options open interest alongside rising volume suggests new positions are being built, while falling open interest signals positions are being closed. Heavy open interest at specific strikes often acts as a magnet near expiration and can hint at where dealers and large traders expect MarketAxess Holdings Inc to settle.
MarketAxess Holdings Inc., together with its subsidiaries, operates an electronic trading platform for institutional investor and broker-dealer companies worldwide. It offers the access to liquidity in the U.S. investment-grade bonds, U.S. high-yield bonds, and U.S. Treasuries, as well as municipal bonds, emerging market debts, Eurobonds, and other fixed income securities. The company, through its Open Trading protocols, executes bond trades between and among institutional investor and broker-dealer clients in an all-to-all anonymous trading environment for corporate bonds. It also offers trading-related products and services, including composite+ pricing and other market data products to assist clients with trading decisions; auto-execution and other execution services for clients requiring specialized workflow solutions; connectivity solutions that facilitate straight-through processing; and technology services to optimize trading environments.
In addition, the company provides various pre-and post-trade services, such as trade matching, trade publication, regulatory transaction reporting, and market and reference data across a range of fixed-income and other products. MarketAxess Holdings Inc. was incorporated in 2000 and is headquartered in New York, New York.
Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where MKTX open interest is concentrated. Our scanner maps MarketAxess Holdings Inc's open interest across every strike and expiry, flags unusual buildups, and lets you drill into the contracts that institutional money is actually holding. Trade MarketAxess Holdings Inc's options open interest as the signal it is, not as an afterthought.
| 170.00 | — | 0.05 | 0.05 | 8% | +0.0388 | 3 |
| 165.00 | — | 2.30 | 2.30 | 17% | +0.4589 | 2 |
| 110.00 | 51.90 | 56.10 | 54.00 | 15% | +1.0000 | 0 |
| 115.00 | 46.90 | 51.10 | 49.00 | 13% | +1.0000 | 0 |
| 120.00 | 41.90 | 46.10 | 44.00 | 16% | +1.0000 | 0 |
| 160.00 | — | 2.05 | 2.05 | 24% | -0.3196 | 32 |
| 110.00 | — | 0.25 | 0.25 | 84% | -0.0192 | 0 |
| 115.00 | — | 2.15 | 2.15 | 120% | -0.0863 | 0 |
| 120.00 | — | 2.15 | 2.15 | 109% | -0.0944 | 0 |
| 125.00 | — | 2.15 | 2.15 | 98% | -0.1038 | 0 |
As of September 24, 2026
Follow the money
Track MKTX open interest across every strike and expiration, identify where conviction is building, and trade with the positioning data on your side.
Start your 14-day free trial→