Vanguard Morningstar Mid-Cap ETF
Vanguard Morningstar Mid-Cap ETF (VO) Options Open Interest
VO options open interest is 4,123 contracts. The 2-week average daily volume is 89 contracts across the chain.
Read more
Monitoring VO open interest helps you see where real money is positioned on Vanguard Morningstar Mid-Cap ETF's options and which strikes are attracting the most commitment from traders. Vanguard Morningstar Mid-Cap ETF'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 VO 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 VO 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 Vanguard Morningstar Mid-Cap ETF to settle.
Seeks to track the performance of the CRSP US Mid Cap Index, which measures the investment return of mid-capitalization stocks. Provides a convenient way to match the performance of a diversified group of medium-size companies. Follows a passively managed, full-replication approach.
Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where VO open interest is concentrated. Our scanner maps Vanguard Morningstar Mid-Cap ETF'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 Vanguard Morningstar Mid-Cap ETF's options open interest as the signal it is, not as an afterthought.
| 86.00 | — | 0.05 | 0.05 | 37% | +0.0420 | 408 |
| 85.00 | — | 0.50 | 0.50 | 59% | +0.1947 | 267 |
| 84.00 | — | 0.75 | 0.75 | 60% | +0.2609 | 94 |
| 83.00 | — | 0.70 | 0.70 | 49% | +0.2882 | 37 |
| 88.00 | — | 0.05 | 0.05 | 47% | +0.0339 | 20 |
| 76.00 | — | 0.15 | 0.15 | 44% | -0.0885 | 20 |
| 80.00 | — | 0.70 | 0.70 | 31% | -0.3918 | 11 |
| 81.00 | 0.50 | 1.15 | 0.83 | 19% | -0.5858 | 5 |
| 82.00 | 0.20 | 1.95 | 1.08 | 2% | -1.0000 | 3 |
| 78.00 | — | 0.15 | 0.15 | 29% | -0.1257 | 1 |
As of September 15, 2026
Follow the money
Track VO 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→