Invesco National AMT-Free Municipal Bond ETF
Invesco National AMT-Free Municipal Bond ETF (PZA) Options Open Interest
PZA options open interest is 2,475 contracts. The 2-week average daily volume is 104 contracts across the chain.
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Monitoring PZA open interest helps you see where real money is positioned on Invesco National AMT-Free Municipal Bond ETF's options and which strikes are attracting the most commitment from traders. Invesco National AMT-Free Municipal Bond 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 PZA 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 PZA 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 Invesco National AMT-Free Municipal Bond ETF to settle.
The Invesco National AMT-Free Municipal Bond ETF (Fund) is based on The ICE BofAML National Long-Term Core Plus Municipal Securities Index (Index). The Fund generally will invest at least 80% of its total assets in municipal securities that comprise the Index and that also are exempt from the federal alternative minimum tax. The Index is composed of US dollar-denominated, investment grade, tax-exempt debt publicly issued by US. states and territories, or their political subdivisions, in the US domestic market with a term of at least 15 years remaining to final maturity. The Index is adjusted monthly and its constituents are capitalization-weighted based on their current amount outstanding.
The Fund does not purchase all of the securities in the Index; instead, the Fund utilizes a "sampling" methodology to seek to achieve its investment objective. The Fund and the Index are rebalanced and reconstituted monthly.
Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where PZA open interest is concentrated. Our scanner maps Invesco National AMT-Free Municipal Bond 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 Invesco National AMT-Free Municipal Bond ETF's options open interest as the signal it is, not as an afterthought.
| 22.00 | 0.05 | 0.20 | 0.13 | 3% | +0.6757 | 500 |
| 23.00 | — | 0.05 | 0.05 | 13% | +0.1299 | 365 |
| 24.00 | — | 0.05 | 0.05 | 22% | +0.0853 | 2 |
| 25.00 | — | 0.05 | 0.05 | 29% | +0.0665 | 1 |
| 15.00 | 6.90 | 7.10 | 7.00 | 15% | +1.0000 | 0 |
| 17.00 | — | 0.05 | 0.05 | 56% | -0.0357 | 210 |
| 23.00 | 0.95 | 1.15 | 1.05 | 19% | -0.7801 | 210 |
| 19.00 | — | 0.05 | 0.05 | 35% | -0.0537 | 10 |
| 15.00 | — | 0.05 | 0.05 | 77% | -0.0262 | 0 |
| 16.00 | — | 0.05 | 0.05 | 66% | -0.0304 | 0 |
As of September 21, 2026
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